Wednesday the Fifth of October

Announcements:

I belive there is going to be a quiz tomorrow. I'm not 100 percent sure, but since Mr. P said there would be one every day, that would lead me to believe there is one tomorrow.

Today in Class:

We took a quiz and did a lot of taping. We also played a trivia game.

Homework:

Prepare for some intense Boggle tomorrow.

10.4.2011 MEASUREMENT

Announcements:

• we had a quiz today (Ionic Bonding)
• we have a quiz tomorrow
• 5pts each
• Did worksheets

Homework:

• Naming Ionic Compounds Summary - 1 (or page 15)

Body:

The first worksheet we did in class was Naming Ionic Compounds 2(page 11). This was basically just looking for the abbreviations and the elements name. After that we did page 12, Polyatomic Ions 1. Poly means many, atom means atom (duhh), and -ic means together, SOO many atoms together! These are confusing and this video should help explain and make it simpler. http://www.youtube.com/watch?v=gmcLYWtjXgQ

I think it'd be a good idea to memorize these. there is only 7 of them. Yes there are 8 on the sheet but we didnt do bicarbonate. These are the symbols for the polyatomic ions.

• sulfate SO4 charge= -2
• nitrate NO3 charge= -
• phosphate PO4 charge= -3
• hydroxide OH charge= -
• carbonate CO3 charge= -2
• ammonium NH4 charge= +3
• acetate CH3COO charge= -

CATion and ANion are positive and negative. Think of cat as in t looks kind of like a + sign and an.......well doesn't. Parentheses are used sometimes when a molecule, as opposed to an element is present more than once. Transition metals 1 (pg 13), we did 1, 4, 6 and 7. Number seven asks about when we put roman numerals in the name of a n ionic compound. We only use them when using transition metals and only when writing words out.

ROMAN NUMERALS

ok im on youtube looking for a video that explains roman numerals, and that autocomplete thing shows me roman numerals song. so i click on it and i found a riddle. so i thought id share.

http://www.youtube.com/watch?v=KQkKzqN0Hjc

this next one actually explains roman numerals

http://www.youtube.com/watch?v=QrbHF7upzp8

Next we did page 14 or Transition Metals 2

Transition metals are the ones that are covered up when we fold our periodic tables. From these worksheets i think its a good idea to actually memorize the periodic table bc its just annoying to have to search for every element or symbol you see.

POLYATOMIC IONS ARE ALSO ON THEE PERIODIC TABLE :D

dont forget the homework is page 15, Naming Ionic Compounds Summary 1

The next scribe is Jameson B. because he hasn't gone yet. muahaha :P

Chemistry Begins! 10/3/11

*WE HAVE A QUIZ TOMORROW ABOUT THE CONTENT ON PAGE 8-10

*HOMEWORK: There was no homework unless you didn't finish page 8-10 in your notebook.

*AGENDA:

1. Discussed weekly quizzes

-We will start having quizzes once every week. They will only be worth about 5-10 points and they are to help Mr. Paek see who's struggling so they won't fall behind.

2. We watch this clip:

http://www.youtube.com/watch?v=cqeVEFFzz7E

^^^demonstration of what happens when different Alkali metals are mixed with water

3. We discussed the periodic table (the salmon colored sheet):

-We did some labeling which you should copy off of someone who sits near you if you didn't complete labeling

4. Completed pages 8-10 in our chem notebooks

-All atoms want to be like noble gases to become stable

-Go through the Chemthink ion tutorials if you need a review or help with the pages

*NEXT SCRIBE WILL BE: KATIE F. (and of course it was random....)

September 28th Blog

Homework: If you didn't finish the post lab write up or Chemthinks

Lab: So today we did a lab that compared different types of metals. We first looked at their shape, color, and how shiny they were. Second we checked if the metals were conductors by using some gadget that had bulb that light up. Third we took a hammer and hit the metals to see if they were brittle or not. Lastly we took test tubes and put drops of HCL and ClC2 separately and observed their reactions.

Next scriber is Emma B

September 16th Scribepost

Homework: Webassigns due Wednesday, September 21st

Lab: The server was down on Friday, so we didn't end up watching the videos Mr. Paek had planned for us, so we went straight to the lab.

In the lab, entitled "Matter Lab Stations", we drew a picture of what we saw at each station (black, yellow, and green spheres that represented elements and molecules), wrote the chemical formulas of what was present (black=carbon, yellow=hydrogen, green=oxygen), and then compiled a list of which terms applied to that station.

Demo: After the lab, Mr. Paek did a demo to introduce the concept of physical and chemical changes -


This demo is an example of a chemical change, because (iodine) molecules are being broken apart. Wikipedia's definition of a physical change is changes that occur when objects or substances undergo a change that does not change their chemical nature. Another trick that Mr. Paek tought us when contemplating whether it is physical or chemical is to ask: "Can you get it back?" For instance, when you rip a piece of paper in half, you can simply get it back by taping the two pieces together (physical change). In contrast, if you were to burn the piece of paper, (chemical change) you can't get it back. This is an example of how combustion always results in a chemical change.

**We have that science test that everyone has to take on Tuesday, September 20th. Don't worry, it's not for a grade!

Next scriber is John B! (Sorry, completely random)

September 15 Scribepost

Homework: Atomic Level Pics 1,2, & 3 for tomorrow and Webassigns due next week!

In class today we graded our quizzes and took some notes on matter, molecules, compounds, etc. After that we had some class time to do out homework!

Notes:

-Matter: has mass and takes up space (volume)

-Mass is the amount of matter

-Atom is smallest unit of matter

-116 different types of atoms = elements

-Atoms bonded together = molecules

Molecules vs. Compounds

-Molecules: any 2 or more atoms bonded together

-Compounds: 2 or more DIFFERENT types of atom bonded together

-Combinations of different atoms and or molecules = mixture

-If only one type of atoms or molecule is present = pure substance

Mixture vs. Pure Substance

-Mixture: combination of 2 or more different atoms or molecules

-Pure Substance: only 1 type of atom or molecule

States of Matter

-Solid: atoms/molecules close together moving slowly

-Liquid: atoms/molecules medium distance moving faster

-Gas: atoms/molecules far apart moving faster

-Aqueous (aq): molecules dissolved in solution

Thats All!

next scriber is Kat!

September 14th Scribepost

Homework= Web Assignments due next week!!


Well instead of meeting in the classroom, we went to the math lab.

1. We logged on to the computers and went to moodle.
2. On moodle, we went to our chemistry class's page and clicked on the ChemThink link.( right under Web Assign)
3. After that we clicked on Not Registered, its on the right and under Forgot Your Login Info.?
4. Next you have to type in a code.(6163-2734-5502). It expires 9/28/11.
5. That will take you to another page. Type in your first and last name, a username( preferably your ID number), make up a password, click period 4 and click register.  

The assignment is to do the tutorial( Click Introduction->Click Particulate Nature of Matter-> Click Tutorial ) and while you do it, make notes in your journal, titled ChemThink Matter Notes because they will be checked by Mr. Paek.

 After the tutorial, complete the quiz. (only 10 questions)

9.13.11 Dimensional Analysis

Announcements:

1. Mr. Paek will be adding an extra day to the unit to make sure everyone understands it, by the end of the unit everyone should be confident in unit conversion.

2. Go to the math lab tomorrow for class!

Homework:

1. Dimensional analysis page 4 (NOT the page Mr. Paek handed out today).

Today in class, Mr. Paek passed out the dimensional analysis problems worksheet, he hasn't assigned when it is due yet. If you had any questions for last night's homework which was dimensional analysis page 2 & 3, we went over them in class today. After going over them, we had a short quiz on sig fig's and density.

In case anyone was dying to know if they got the extra credit on the quiz right, this is a close enough answer:

http://www.ehow.com/how_5522587_measure-density-air.html

I think that's about it.

The next scriber is Jessika, and I'm not sorry.

9/12/11 Chemistry Scene Investigation

HOMEWORK: Finish Chemistry Scene Investigation Lab, Complete Unit Conversion Sheet (if not finished already), Web Assign.

Today in class, we basically only did one thing: the chemistry scene investigation, and if you finished early, you got to chill for the rest of class. Sweet deal, man, sweet deal.

For example, in the lab, we made a table to represent the density of the four objects - A, B, C and Sample.

EQUATIONS:

mass
------- = density
volume

CALCULATIONS:

1.53g/.5ml = 2.1 g/ml

1.28g/.5ml = 1.1 g/ml

1.06g/.5ml = 2.5 g/ml

.57g/.5ml = 3.1 g/ml



That is all.

And the next person to write on the scribe is: Makenzie. Sorry.

9/9/2011 Unit Conversion & Dimensional Analysis

Blog theme music: http://www.youtube.com/watch?v=x8iTeDl_Wug

Homework: Unit Conversion & Dimensional Analysis- 2 and 3

On Friday in class we went over scientific notation and sig figs while listening to the theme music above. We then moved onto unit conversions. We went over how to convert one unit to another and did Unit Conversin % Dimensional Analysis 1 in class.

One example we did in class of unit conversions;

We want to see if the song seasons of love was true, and there were 525,600 minutes in a year, so the equation for this would be

525,600 min X 1hour/60min X 1 day/24hour X 1 year/365 days
It's hard to show on this blog but basically, you want to clear the unit on top by including it in the denominator of the thing your multiplying by

Another example we did was;
Finding out how fast Jamie walked in miles per hour, but since we calculated it in meters per second, we had to do some converting
So the work for this would be;
11meters/11.05sec X 3.28 feet/1 meter X 1mile/5280feet X 60second/1 min X 60min/1hour
This would equal 2.2 mph.

Sorry again for the equations, but it's the best I could do. Go see Mr. Paek if you need more help. But I hoped you like the blog theme music!

PS: Next scriber is the other michael

Density, period 4. 9/7/11

DENSITY

Homework: Denisity worksheet due Friday! Dont forget webassign due the 19th!

Today in class we...

1) reviewed the homework we did about desnity (Density=mass over volume). The density 3 sheet in your notebooks.

2) Then Mr.Paek told us about the lab we were doing about, you guessed it, more density!

LAB:

We used 10 mL graduated cylidners and 100 mL cylinders, a metal bar and a nail. We measured the metal bar to find the mass, and used the nail to find the nails volume by placing the nail in the 10 mL cylinder. You then found the volume of the nail by taking the original amount of water, and the new amount of water that the nail displaced, and subtract the two numbers and thats how you find volume.We also found the mass of each cylinder (10 and 100 mL), by measuring the mass of the empty cylinder, then filled it half way with water and measured that, then found the volume of the liquid by suptracting the numbers. The pages for this you would need to get from Mr. Paek.

Remember: density=mass over volume

volume=length x width x height.

Tomorrows blogger is Michael L. (It was COMPLETLY random)

Colleen L.

9/2/2011 Measurement and scientific notation

i finally got it to work.... yay!

HOMEWORK:
Measurement 3,4,5 and 6 worksheets
scientific notation-1 worksheet
finish the lab


remember the place value you need to go to for the measurement worksheets... very important

mr.paek did some of the scientific notation worksheet with us in class....

convert each of the problems into scientific notaion (2.500*10 to the third) or full decimal form (2500)....

SCientific notation:

if the number is lower than 0 then you need to move the decimal back or make it 10 to a negative (-) number.

if the number is higher than 0 then you need to move the decimal up or make it 10 to a positive (+) number.


sorry this is hard to explain...

Full decimal form:
the regular number.... nothing fancy



the person i chose next is colleen.... :(

Measurement lab and worksheets

sorry but it wouldn't work for me for awhile....

Homework: Lab report due on friday
quiz on friday
finish the lab
( we did measurement 1 and 2 in class)

Make sure for the lab and the worksheets you measure to the next spot after the one you are sure of.....
if the instrument measure's by 100 estimate to 10 place
by 1o estimate to 1 place
by 1 estimate to 0.1 place
by 0.1 estimate to 0.01 place


and so onnnn

also remember to measure from the lowest part of the bubble when measuring liquids

in measurement two the tip of the arrow is where you want to measure from.....

LAB:

MATERIALS:
metal block/bar
object A (block)
object B (nail)
100ml & 10 ml cylinder
WATER!
pencil
jumbo paperclip
meterstick

PRE-LAB:
you only have to convert units in a few problems

PART 1:
#1 it is asking you what place you need to measure to

#2 & #3 just do what it says

PART 2:
measure the sides of the metal bar and then multiply the numbers together!

write down what you calculated.... #5 asks you what place you need to measure to

#6 put the bar in a 100ml graduated cylinder after filling it to 50ml with water..... slide the bar into the cylinder so you do not break it!!!

PART 3:
measure the volume of object A

PART 4:
measure the volume of object B
explain whether a 10ml or 100ml cylinder wouldwork better

PART 5:
predict the mass of the metal bar, object A & B, jumbo paperclip, and a pencil in grams..... than actually measure it on a electronic balance

PART 6:
measure the mass of a 10ml cylinder
fill it with 5ml of water and measure it again
find the difference and the volume of the water in the cylinder

POSTLAB QUESTIONS:
you are on your own with these......



i am still the next person

Lab safety and Variables 8/31/11

Announcements:

• Quiz on friday!


• Lab report on google docs is due friday too!

Homework:

• Work on lab report

Body:

Today in class we watched a video on lab safety that told us many rules on how to not harm ourselves in the lab (kind of helpful ehh??) Like cleaning up after everything, not burning oursleves oh and KEEP THE DESK ROWS CLEAR OF BAGS Mr.Paek told us a story about how a kid got a concussion last year from tripping on a backpack and smashing his/her head onto the counter...ouch, lets not have a repeat. Then after the video we got 15 new pages to tape into our journal:

• measurement practice pages


• measurement lab


• sig fig rules


• scientific notation

After tediously taping all the sheets in we finally started in on some content! We went back to the page before the Alka Seltzer lab in our journals the page called variables and filled it in. Here were the responses we got as a class.

1. Indepent=amount of water

dependent=how tall the plant grew

C1=amount of sunlight

C2=same plant

2. Independent=different size of coffee filters

Dependent=how long it takes to fall

C1=same coffee maker

C2=same brand coffee filters

3. Independent=Different types of food

Dependent=temperature

C1=same heat source

C2=amount of water

4. Independent=concentrations of oxygen gas

Dependent=how they grew

C1=same type of plant

C2=amount of water

*note- The C1 and C2 can differ because there are many different possible control variables in each situation

After we finished that sheet we moved on to the first new sheet we taped in called Measurement-1. On this sheet we answered the first 3 questions

Reading 1- 42 cm, because it is a little past 40, but not too much

Reading 2-0.66 cm, beacuse its a little more than half way between .6 and .7

Reading 3-27.5 ml, becuase you have to measure to the lowest possible point on this graduated cylinder which is between 27 ml and 28 ml

*note- Mr. Paek said that when measuring only measure to the closest you can so if its between 41 and 43 just guess 42 and not 42.5 because you dont really know that its 42.5 your just adding in extra numbers that you really dont need. So keep it simple when your measuring dont just try to make yourslef look smarter becuase its not going to work.

And now for some very punny chemistry jokes...

Two atoms are walking down the street.
Says one atom to the other, "Hey! I think I lost an electron!"
The other says, "Are you sure??"
"Yes, I'm positive!"

A neutron walks into a restaurant and orders a couple of cokes. As she is about to leave, she asks the waiter how much she owes. The waiter replies, "For you, No Charge!!!"

A small piece of ice which lived in a test tube fell in love with a Bunsen burner. "Bunsen! my flame! I melt whenever I see you" said the ice. The Bunsen burner replied :"It's just a phase you're going through".

Source:http://www.coolscience.org/CoolScience/CoolJokes/ChemJokes.htm

ohh and before i forget... Other jamie your the next blogger, sorry! (think of it this way your getting it over with sooner rather than later!)

08.30.2011

Announcements:

1) Got together with our partners for the lab report and worked on the lap reports.

1)To work on your lab report you have to go to the GBS homepage.

2)Go under Academic Resources and click Google Apps.

3)Once you get to the Google Apps click on Google Docs and log into your account (same as what you use to get into school computers).

4)Your partner should have already invited you, as well as Mr. Paek.

2)After we worked on our lab reports Mr. Paek showed us an experiment with fire.

Homework: No homework! =)

Body: Today in class, after we worked on our lab reports for most of the class, Mr. Paek started to show us an experiment. He bubbled soap and held it in his hand while someone with a yard stick with a candle lit on it lit the bubbles. The experiment was like this one, (only not so big, and mr.Paek used his hands)!

http://www.youtube.com/watch?v=LpNFchIK-dc

Jamie Vear (sorry!)

Katie F.,

You remind me of a man...

The Day as of the Last Time that I Checked is, As of Right Now, In This Moment 8.29.11 MEASURMENT


The stupid blogger thing won't let me upload in any other languages, so you guys are missing out on a LOT of Hebrew. I probably should have checked to make sure it works before typing a lot into translate. Oops. Oh, well. It was a fun hour.


Anyway.............. I had a long thing on one of my posts last year that I tried to find but was unable to, so you will just have to content yourself with whatever is on my mind today, which does NOT include Chemistry. However, it does include... Alka Seltzer............................................................................................................................................................



Alka-Seltzer is an effervescent antacid first marketed in 1931 by the Dr. Miles Medicine Company. It was developed under the direction of company scientist Mikey Wiseman. Alka-Seltzer is marketed for relief of headache, heartburn, and hangovers while neutralizing excess stomach acid.
Alka-Seltzer is currently owned by Bayer Schering Pharma AG, Germany. The name "Alka-Seltzer" has been extended to incorporate an entire line of medications sold over the counter and taken by means of rapidly dissolving tablets that form a carbonated solution in water.

Product information:
Alka-Seltzer is a combination of aspirin (acetylsalicylic acid), sodium bicarbonate (NaHCO3), and citric acid, designed to treat pain and simultaneously neutralize excess stomach acid (the "Alka" being derived from the word "alkali"). It is provided in the form of large effervescent tablets, about 1 inch (25 mm) in diameter, which are dissolved (two at a time for the usual adult dosage) in a glass of water. As the tablets dissolve, the base (bicarbonate) and the acid (citric acid) react vigorously producing carbon dioxide gas (hence the "Seltzer"), which also produces enough agitation to allow the active ingredients to dissolve slowly. The patient then ingests the resulting solution.

Currently Alka-Seltzer comes in foil packets, each containing two tablets. Prior to 1984 it was also available in long glass tubes. It comes in various flavors.
It was once marketed as something of a cure-all; at one time its ads even suggested taking it for "the blahs." Subsequent regulation has taken into consideration that aspirin is a relatively powerful drug which is not tolerated by everyone and should not generally be taken at all by children or adolescents due to its linkage to Reye's syndrome; the product is no longer advertised in this fashion.
[edit]Chemistry of the effervescence

Though important to the overall effect of the medication, the aspirin (acetylsalicylic acid) does not contribute to the effervescent action of Alka-Seltzer; the effervescence is produced by the baking soda (sodium bicarbonate) and citric acid reacting to form sodium citrate and carbon dioxide gas.
C6H8O7(aq) + 3NaHCO3(aq) → 3H2O(l) + 3CO2(g) + Na3C6H5O7(aq)
citric acid - baking soda → water + carbon dioxide + sodium citrate

Marketing:
The product has been extensively advertised since its launch in the U.S. Print advertising was utilized immediately, and in 1932 the radio show Alka-Seltzer Comedy Star of Hollywood began, with National Barn Dance following in 1933, along with many more. Two years after its launch came the repeal of Prohibition in the US, and Alka-Seltzer became Miles' new flagship product, displacing Miles Nervine Tonic. In 1951 the "Speedy" character was introduced. Created by George Pal of the Wade Ad Agency as Sparky, the name was changed to Speedy by a sales manager to promote that year's promotional theme of "Speedy Relief". He appeared in over 200 TV commercials between 1954 and 1964. Speedy's body was one Alka-Seltzer tablet, while he wore another as a hat; he proclaimed Alka-Seltzer's virtues and sang the "Plop, plop, fizz, fizz" song in his high, squeaky voice (provided by voice actor Dick Beals)

http://askville.amazon.com/history-original-alka-seltzer/AnswerViewer.do?requestId=20469285

You're welcome. And in case you had any questions, here are some that are frequently asked:



What is the advantage of using the Alka-Seltzer Heartburn product for heartburn relief over taking a medicine in tablet form?
There are multiple advantages to using the effervescent Alka-Seltzer Heartburn product. Simply put, the medicine dissolves fast and is ready to go to work the instant you take it. Because the medicines in the Alka-Seltzer Heartburn product are in solution prior to ingestion, they do not require time to dissolve in the stomach like similar active ingredients taken in tablet form.

Back to top

If I am diabetic, can I use Alka-Seltzer?
Ask a Doctor or Pharmacist before use if you are taking a prescription medicine for diabetes.

Back to top

Can I Use the Alka-Seltzer formulas beyond the expiration date?
We recommend that you discard any expired Alka-Seltzer product. It will not be harmful if ingested, but it may not be as effective in relieving your symptoms.

Back to top

How much water should I use?
4 ounces.

Back to top

Can I dissolve Alka-Seltzer tablets in something other than water?
We do not recommend anything but water. While the tablets will dissolve in other liquids, the amount of fizz or time to full dissolution will change. Also, efficacy and safety have not been established when these products are dissolved in anything but water.

Back to top

Sometimes there is a residue in the glass after I take Alka-Seltzer. Does it need to be consumed?
You do not have to drink the residue on the sides and the bottom of the glass. All the medicines are in the water.

Back to top

What temperature of water should I use to dissolve Alka-Seltzer tablets?
The best temperature is room temperature. Cold water will slow down dissolution and warm water can make it foam excessively.

Back to top

What should I do if the tablets don't fizz?
This is a sign that the tablets may have started to break down. It is very likely that the foil packet has a slight imperfection or pin hole which has allowed moisture to come in contact with the tablets. This may also cause the tablets to discolor and crumble. Please be aware that the product will not be as effective. Call 1-800-800-4793.

Back to top

How long can I use Alka-Seltzer?
Please read and follow label directions. Alka-Seltzer should not be used for more than 10 consecutive days.

Back to top

Can I use Alka-Seltzer products if I'm pregnant or nursing?
As with any drug, if you are pregnant or breast-feeding, seek the advice of a health professional before using any Alka-Seltzer product.

Back to top

Do hangovers only result from nights of excessive drinking?
The symptoms commonly referred to as a "hangover" aren't necessarily a result of excessive drinking. For many people it can take no more than a late night with one or two drinks to cause minor aches and pains with fatigue or drowsiness the next morning.

Back to top

Does Alka-Seltzer Contain PPA (phenylpropanolamine)?
No. None of the Alka-Seltzer formulas have ever contained PPA (phenylpropanolamine). PPA was removed from Alka-Seltzer Plus products in 2000.

Back to top

Where can I buy Alka-Seltzer products?
The various Alka-Seltzer formulas are available in most drug stores, food stores, mass merchandisers and club stores. If you do not find them on your local store shelf, ask the store manager to order them for you. We have found that most stores make their purchasing decisions based on consumer interest. Click here to link to our product locator.

Back to top

How can I be sure that I am getting the best price for my Alka-Seltzer?
Pricing varies from store to store. As with any purchase, whether it be clothing, food, or Alka-Seltzer products, it is recommended that you watch for sales, money-saving coupons, and do some comparison shopping for the best retail price in your area. Click here for money saving coupons.

Back to top

Did Alka-Seltzer ever come in a glass container?
Alka-Seltzer used to be in glass tubes, which were discontinued in 1984 to reduce costs and eliminate breakage problems.

Back to top

Who composed the "Plop Plop Fizz Fizz" jingle?
Tom Dawes - Twin Star Music.

Back to top

What is the History of Speedy Alka-Seltzer?
Radio Actor, Dick Beals was the voice of Speedy Alka-Seltzer on our Alka-Seltzer commercials. Speedy Alka-Seltzer was originally known as Sparky, but the name was changed by a sales manager, Perry L. Shupert, to reflect that year's promotional theme, "Speedy Relief". The Speedy Alka-Seltzer character was created at the Wade Ad Agency in 1951. The original working model was 6 inches tall and sculpted by Duke Russell. It appeared in more than 200 commercials over a 10 year period from 1954-1964. In 1955 a vinyl Speedy Alka-Seltzer doll was created.
http://alkaseltzer.com/as/faqs.html



Wow! Isn't this fun! And now even more info about this facinating topic:



How does it work?
Alka-seltzer original effervescent tablets contain three active ingredients, aspirin, sodium hydrogen carbonate and citric acid.

Aspirin belongs to a group of medicines called non-steroidal anti-inflammatory drugs (NSAIDs). It works by blocking the action of a substance in the body called cyclo-oxygenase.

Cyclo-oxygenase is involved in the production of various chemicals in the body, some of which are known as prostaglandins. Prostaglandins are produced in response to injury or certain diseases and would otherwise go on to cause pain, swelling and inflammation. Aspirin is therefore used to relieve pain and inflammation.

Sodium hydrogen carbonate and citric acid form antacids by their effervescent reaction with water. They decrease the acidity of the stomach's juices, by binding to and neutralising excess acid. This helps to relieve the symptoms of heartburn and indigestion and settles the stomach.

The combination of these medicines is used primarily to relieve headaches accompanied by an upset stomach, which can ofter occur after over-indulgence in food, drink or both. It can also be used to relieve various other types of aches and pains.

What is it used for?
Headache associated with upset stomach.
Mild to moderate pain, eg migraine, period pain, toothache, sore throat.
Relief from the symptoms of colds and flu such as headache, feverishness and muscular aches and pains.
Warning!
Do not exceed the recommended dose of this medicine, which will be stated in the product packaging or information leaflet supplied with the medicine.
If symptoms persist despite treatment, seek medical advice from your doctor or pharmacist. Do not use for more than three days except on medical advice.
Children under 16 years of age should not take aspirin, unless on the advice of a doctor. This is because aspirin use in children has been associated with a rare condition called Reye's syndrome. This condition affects the brain and liver and though extremely rare, can be fatal. The causes of Reye's syndrome are not fully understood, but the use of aspirin to treat fever in children with a virus has been implicated. There are many paracetamol and ibuprofen products that are not associated with Reye's syndrome which are available to treat pain and fever in this age group. For more advice talk to your pharmacist.
Use with caution in
Asthma.
History of disorders affecting the stomach or intestines, such as ulceration or bleeding.
Decreased kidney function.
Decreased liver function.
People taking anticoagulant or 'blood thinning' medicines.
People who have recently had surgery.
Gout.
People on a low sodium diet.
Not to be used in
People with blood clotting disorders such as haemophilia.
Breastfeeding.
People in whom aspirin or other NSAIDs, eg ibuprofen, cause allergic reactions such as asthma attacks, itchy rash (urticaria), nasal inflammation (rhinitis) or swelling of the lips, tongue and throat (angioedema).
Active peptic ulcer, perforation (hole) or bleeding in the gut.
People with a history of peptic ulcers.
People taking 15mg or more of methotrexate weekly.
Children and adolescents under 16 years of age, unless on the advice of a doctor.
This medicine should not be used if you are allergic to any of its ingredients. Please inform your doctor or pharmacist if you have previously experienced such an allergy.

If you feel you have experienced an allergic reaction, stop using this medicine and inform your doctor or pharmacist immediately.

Pregnancy and breastfeeding
Certain medicines should not be used during pregnancy or breastfeeding. However, other medicines may be safely used in pregnancy or breastfeeding providing the benefits to the mother outweigh the risks to the unborn baby. Always inform your doctor if you are pregnant or planning a pregnancy, before using any medicine.

This medicine should not be taken in the third trimester of pregnancy. If aspirin is used in the third trimester it may delay labour, increase the length of labour, increase the risk of bleeding in the mother and baby and cause complications in the newborn baby. Seek medical advice from your doctor before using this medicine during any stage of pregnancy.
Significant amounts of this medicine may pass into breast milk. It should not be used by breastfeeding mothers as it may be harmful to the nursing infant. Seek further medical advice from your doctor.
Label warnings
Dissolve or mix this medication with water before taking.
This medication contains aspirin.
Side effects
Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Just because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

Disturbances of the gut such as nausea, vomiting, diarrhoea or abdominal pain.
Stomach or duodenal ulcer.
Bleeding from the stomach or intestine.
Changes in liver function.
Allergic reactions such as skin rash, swelling of the lips, tongue and throat (angioedema) or narrowing of the airways (bronchospasm).
The side effects listed above may not include all of the side effects reported by the medicine's manufacturer.

For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can this medicine affect other medicines?
Tell your doctor or pharmacist what medicines you are already taking, including those bought without a prescription and herbal medicines, before you start treatment with this medicine. Similarly, check with your doctor or pharmacist before taking any new medicines while taking this one, to ensure that the combination is safe.

People taking anticoagulant medicines used to prevent the blood clotting, eg warfarin, should not take aspirin to relieve pain or inflammation. This is because aspirin can irritate the stomach lining, as well as increase the effects of warfarin, both of which increase the likelihood of bleeding.

There may also be an increased risk of bleeding if aspirin is taken with the following medicines:

'blood-thinning' (antiplatelet) medicines such as clopidogrel or dipyridamole
heparin
SSRI antidepressants, such as fluoxetine, paroxetine
venlafaxine.
Aspirin reduces the rate at which the body can remove the medicine methotrexate. The two should not usually be used together, unless on the advice of a doctor.

There is an increased risk of side effects if aspirin is taken with other non-steroidal anti-inflammatory drugs (NSAIDs), eg ibuprofen, diclofenac, indometacin. For this reason, aspirin should not be taken with any other NSAID.

There may be an increased risk of bleeding or ulceration of the stomach or intestines if aspirin is taken with corticosteroids, eg prednisolone, dexamethasone.

There may be an increased risk of side effects if aspirin is taken with acetazolamide.

Antacids containing sodium, such as sodium hydrogen carbonate, can decrease the effectiveness of lithium and this medicine should therefore be avoided by people taking lithium.

Other medicines containing the same active ingredients
There are currently no other medicines available in the UK that contain all three active ingredients aspirin, sodium hydrogen carbonate and citric acid.
http://www.netdoctor.co.uk/medicines/100004759.html

Just in case you were wondering, if you ever want to get to the chem stuff, I suggest not reading the above. Just a thought.

Announcements- Today we 1) Were asked to turn in our safety contracts if we had not already done so

2) looked over the wonderful scribepost of Mr. David C.

3) learned that we would be doing our lab reports with google docs

4) spent the rest of the time working on the Alka Seltzer lab with our partners

Homework-None really, we will finish the labs tomorrow and start working on the lab reports in class also

Body- This is the part where I tell you about the lab, but I am getting sort of tired, so... I'm not gonna do it. Sorry.

Welcome to dream world...

Raindrops keep falling on my head
And just like the guy whose feet are too big for his bed
Nothin' seems to fit
Those raindrops are falling on my head, they keep falling

So I just did me some talkin' to the sun
And I said I didn't like the way he' got things done
Sleepin' on the job
Those raindrops are falling on my, head they keep falling
But there's one thing I know
The blues he sends to meet me won't defeat me
It won't be long till happiness steps up to greet me

Raindrops keep falling on my head
But that doesn't mean my eyes will soon be turnin' red
Crying's not for me
Cause I'm never gonna stop the rain by complainin'
Because I'm free
Nothing's worrying me.

OK, FINE! I'LL DO IT!!!

Ok, so, we did the lab parts 2 and three. In part two, we tried to make an Alka Seltzer rocket shoot off as fast as possible. We first divided one tablet into 4 equal parts. For the first test, we filled a canister half way with water and dropped a tablet quarter in it. We timed the time (unnessciary redundancy) that it took for the fizzing to stop and RECORDED the DATA somewhere. For the second trial, we did the same thing, but with the cap on the canister. Once again we timed it and RECORDED the DATA. For trial three, we filled the canister up 3/4 of the way and for teial four, we only filled it 13421749/53686996 of the way. There were a few questions about the variables and the data at the end.

Intermission

Do Doo Da Do Da Do Da Daaaaaaaaaaaa Do Da Da Do Da Do Do Daaaaaaaa Da Da Do Da Da ... Do Da Da DAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Ok, on to part 3. This part requires less explination bcause there is much more personal freedom involved. Essentially, you and your partner are to create an expeiment, with ALKA SELTZER, that has a problem, hypothesis, variables, a procedure, data, and a conclusion. THIS is what we will be doing the lab reports on. You are to actually DO this experiment, not just create it, so try to make it fun and dangerous.

BTheW, it wouldn't let me upload any pictures, so I am sorry about that, because I had some pretty great ones in mind, involving my backyard and an entire box of Alka Seltzer... darn.

I'm sorry this wasn't better, but I decided my sleep was more important than being a bit funnier. But just wait till next time...

-joshb

The Gods of Random Choice have chosen Katie as the next victm...I swear I actually did pick completly randomly by use of a random number grnerator... it was random.

August 25 2011 Chem terms and alka seltzer lab

Announcements--Bring goggles if u dont already have them

Homework--Finish part one of the Alka seltzer lab and bring composition notebook


Body--Today in class we started by recieving 7 sheets of paper to tape into our composition notebooks the first 2 were Unit 1 calanders that told us what we would be doin each day and what pages you could find the material on in the book. The 3rd sheet was unit one objectives and the 4th was a Variables practices sheet. The last three are part of the Alka-seltzer lab that we are doin in class

Next Mr. Paek refreshed are memories on some of the scientific terminlogy we will need to know this year. First we reviewed variables which we used a little bit last year

Independent variable--What you change in the experiments, usually on the X axis of a graph

Dependent variable--What you are measuring, usually on the Y axis of a graph

Control--What stays the same

Then we went over 2 different types of data

Qualitative--Observations that are generally subjective

Quantitative--observations that are generally objective

Once we finished with the notes Mr paek pared us up and sent us to the back to work on the first part of the alka-seltzer lab. For this we took 2 tablets of Alka-seltzer and put them in a tiney tube filled with water. We then put the cap on and waited to see what happened. If you did the process right the cap should have shot of because of the chemical reaction between the water and the tablets. You may have done this once or twice depending on how many tablets you put in your first try. We will be doing the rest of the lab tomorow in class.

The next scriber is (and this was completely random) is joshua

Thanks Yours truly David Cohn :)

The Scribe List

This is The Scribe List. Every possible scribe in our class is listed here. This list will be updated every day. If you see someone's name crossed off on this list then you CANNOT choose them as the scribe for the next class.

This post can be quickly accessed from the [Links] list over there on the right hand sidebar. Check here before you choose a scribe for tomorrow's class when it is your turn to do so.

IMPORTANT: Make sure you label all your Scribeposts properly (Your display name, unit title) or they will not be counted.

Daniela       John B      Jaime     Joshua     Emma      Jameson     Amanda     William     Konstantina     David     Makenzie     Michael     Jessica      Katerina     Katie     Zlatina     Alexandra     Alyson     Michael     Colleen     Marcus     Star     Caroline     Jamie V

Scribepost Format

Title: date and topic of day - for example - 11.13.10 - Measurement



Announcements - put here in bullet or numbered format


Homework -  put here in bullet or numbered format


Body:  this is solely up to you how you do this.  please remember, you don't do many of these - do yours the best that you can - for yourself and for your classmates.  Headings in bold, pictures, videos, examples, announcements, homework are some of the elements that make for a successful post.


End with a pick of who the next scriber will be.


Labels: Need 2 of them:

1. your display name (this will be your first name and first initial, no caps, no spaces)
2. unit name (check moodle for proper name of unit)

Googled

Copied in it's entirety from Seth Godin's blog.

---

A friend advertised on Craigslist for a housekeeper. Three interesting resumes came to the top. She googled each person's name.

The first search turned up a MySpace page. There was a picture of the applicant, drinking beer from a funnel. Under hobbies, the first entry was, "binge drinking."

The second search turned up a personal blog (a good one, actually). The most recent entry said something like, "I am applying for some menial jobs that are below me, and I'm annoyed by it. I'll certainly quit the minute I sell a few paintings."

And the third? There were only six matches, and the sixth was from the local police department, indicating that the applicant had been arrested for shoplifting two years earlier.

Three for three.

Google never forgets.

Of course, you don't have to be a drunk, a thief or a bitter failure for this to backfire. Everything you do now ends up in your permanent record. The best plan is to overload Google with a long tail of good stuff and to always act as if you're on Candid Camera, because you are.

Digital Ethics

Much of what is written here is from a teacher experienced with using the web as a forum for us to share our learnings and reflections. Darren Kuropatwa writes, "Blogging is a very public activity. Anything that gets posted on the internet stays there. Forever. Deleting a post simply removes it from the blog it was posted to. Copies of the post may exist scattered all over the internet. I have come across posts from my students on blogs as far away as Sweden! That is why we are being so careful to respect your privacy and using first names only. We do not use pictures of ourselves. If you really want a graphic image associated with your posting use an avatar -- a picture of something that represents you but IS NOT of you."

Reflect as you watch this.




Two teachers in the U.S.A. worked with their classes to come up with a list of guidelines for student bloggers.

One of them, Bud Hunt, has these suggestions, among others:

1. Students using blogs are expected to treat blogspaces as classroom spaces. Speech that is inappropriate for class is not appropriate for our blog. While we encourage you to engage in debate and conversation with other bloggers, we also expect that you will conduct yourself in a manner reflective of a representative of this school.
2. Never EVER EVER give out or record personal information on our blog. Our blog exists as a public space on the Internet. Don’t share anything that you don’t want the world to know. For your safety, be careful what you say, too. Don’t give out your phone number or home address. This is particularly important to remember if you have a personal online journal or blog elsewhere.
3. Again, your blog is a public space. And if you put it on the Internet, odds are really good that it will stay on the Internet. Always. That means ten years from now when you are looking for a job, it might be possible for an employer to discover some really hateful and immature things you said when you were younger and more prone to foolish things. Be sure that anything you write you are proud of. It can come back to haunt you if you don’t.
4. Never link to something you haven’t read. While it isn’t your job to police the Internet, when you link to something, you should make sure it is something that you really want to be associated with. If a link contains material that might be creepy or make some people uncomfortable, you should probably try a different source.

Thoughts on the videos or on these guidelines? Any other guidelines you'd like to add?

Welcome to Period 4 Chemistry!

Period 4, welcome to our blog!  I am genuinely excited to have you in this class. This is going to be a site by you and for you.  It'll be a place to share your knowledge with fellow classmates, to reflect on what you've learned, and to learn concepts that you may have missed in class.  You will only have to write 3-4 of these per SEMESTER.  Please do yours the best that you can.  Your class and others are depending on you and will appreciate it.  We'll talk more about the details later.

Just remember, you must add at least 2 labels to every post.

1. Your screen name

2. Unit the post is about