Kool-Aid Lab

Kool-Aid Questions
Molarity calculations:
A. Add up the total grams of sugar and kool-aid mix you used and record in your data table. Convert grams of Kool-Aid/Sugar Mix to moles (the gram formula mass for the Kool-Aid/Sugar mix is 342 grams/mol)
B. Convert your volume of solution (145 mL) to liters:
C. Molarity= ____mols solute/ _____L of solution

1. What flavor of Kool-Aid did you use?
2. Describe the taste of your Kool-Aid:
3. What is the Molarity of the Kool-Aid in your cup?
4. What would the Molarity of 2 quarts of Kool-Aid be if you followed the directions on the package?
5. Explain how the recipe for Kool-Aid is like a balanced chemical equation.

Charles law

Charles and boyles law

gay lusaac's law

charles law is represented by a hot air balloon beacause as the temperature increases so does the volume. and thats what makes the balloon fly. gay lusaacs law is represented in winter wehn your tires are under constant pend the temperature is decreasing so the volume is also. boyles law is represented by peoples ears popping while theyre on an airplane. temperature is constant inside as the plane get higher so does the pressure and the volume of the air inside your eardrums.

Real life Gay-Lussac's Experiment

Real life Charles's Law

Real life example. (Boyle's Law)

Real Life Situations

Boyle's Law: An example that happens in real life is popping your ears on an airplane. When the plane is ascending, it is going from high air pressure to low air pressure. The pressure on the inside of your ears is also building up, causing the volume to increase as well. Popping your ears lets the pressure escape.

Charle's Law: If you blow up a balloon on a cold winters day and then take it outside, it will start to shrivel

up. Then bring it back inside and it will begin to expand again. This is because when the temperature decreases, the balloon becomes less dense, making the volume go down also. The same with increasing the temperature. When the temp. goes up, the balloon gets more dense, making the molecules less concentrated, increasing the volume.

Gay-Lussac's Law: When it is hot outside, sometimes the tires explode because the pressure of the gas inside the tires increases with the temperature. The pressure builds up inside causing it to explode.

Gas Law's Applying to Real Life

Boyle's Law

Boyle's law is like popping a balloon. When you squeeze the balloon, the volume decreases, the pressure increases. The force of someone pushing a balloon forces the molecules into a smaller room. When the balloon cannot hold the pressure, the balloon pops

Charle's Law

Charle's law is like when someone buys a balloon on a cold winter day, in the store you buy a common helium balloon. When you go outside, you notice the balloon collapses. This is because of Charle's Law. As the molecules slow down, they contract together. This decreases the volume, so the balloon collapses.

Gay-Lussac's Law

Gay-Lussac's law is how car tires explode more during hot weather than in cold weather. This is because of the molecules heating up, the molecules expand, increasing volume. This also increases the pressure because the molecules are in a enclosed area. When the pressure gets too high, the tires explode

Real Life Examples of the Gas Laws

Gas laws

Crush the can was Gay-Lusaac's law. The reason this is Gay-Lusaac's law is because there was a constant volume, but the pressure and temperature did change. During this experiment we put five to ten mL of water into a pop can. We then placed the can on a hot plate and waited for the water to begin to steam once there was steam coming out of the can we grabbed the pop can with a pair of tongs then we quickly turned it upside down into a beaker of ice water then the can was crushed. The reason we did not put the bottom in to the water is because that would have changed the volume. The next experiment was Egg in/out of flask. We put hot water in a flask then we pored out the hot water put the hard boiled egg on top of the flask and the egg was pulled into the flask. We then had to put our mouth on the flask and blow into the flask and the egg was then forced out. This was Boyles law, because there was a constant temperature but there was a pressure and volume change. The next experiment that we did was Marsh mellow in a syringe. The syringe was at five mL we then pulled the plunger back and the marsh mellow expanded then we pushed down the plunger and the marsh mellow shrunk. This is Boyles law because there was no temperature change but there was volume and a pressure change.

Real Life Examples

Boyle's Law: A real life example of Boyle's law is when a balloon pops. The temperature stays constant. When you squeeze a balloon the volume decreases and there is less space for the molecules to move around. This creates more pressure, if you squeeze a balloon hard enough it will pop because the balloon can't withstand the added pressure.

Charles's Law: A real life example of Charles's Law is a hot air balloon. The balloon's pressure stays constant. The air inside the balloon is at a higher temperature and requires less air to expand and fill the balloon than if the air were at the outside temperature. The volume increases as the hot air fills the balloon and the density is lowered and takes flight because it becomes lighter than air.

Gay-Lussac's Law: An aerosol can is a real life example of Gay-Lussac's Law. If you increase the temperature, the pressure increases because the molecules have more collisions. The buildup of pressure can cause the can to explode.

Friday Blog 11/11/11

Today in class we worked on our study guides for the test that has been moved to Monday. A couple groups also presented which gas law goes with which silent lab we did. Oh & its also Veteran's Day, soo Happy Veteran's Day! Thanks to all who are serving/ have served. And yeahh.. thats pretty much our day in Chemistry. Oh its 11/11/11 make a wish :)

Thursday Blog

Today in Chemistry we went to the media center and did a study guide, in between questions, we talked about how each states of matter lab worked. We also listened to Sammie, Michael, Taylor, and Brianna talk about what happened in the states of matter lab. They covered the egg in the flask and the books on the pipet.

Exploding Pumpkin (Thanks Mason Schreck)

Pressure Unit Conversions Assessment

Pressure Unit Conversions Assessment

1 atm=760 mmHg = 101,325 Pa= 14.7 psi =1.013 bar


Squares:

1. The air pressure for a certain tire is 109 kPa. what is this pressure in atmospheres?

3. The weather news gives the atmospheric pressure as 1.07 atm. What is this atmosphereic pressure in mm Hg?

4. An experiment at Sandia National Labs in New Mexico is performed at 758.7 mm Hg. What is this pressure in atm?

9a. 2 atm= ______________bar

9d. 4.9 bar =_________________psi


Triangles:

5. A bag of potato chips is sealed in a factory near sea level. the atmospheric pressure at the factory is 761.3 mm Hg. The pressure inside the bag is the same. What is the pressure inside the bag of potato chips in Pa?

6. The same bag of potato chips from problem 5 is shipped to Denver, Colorado, where the atmospheric pressure is 99.82 kPa. What is the difference (in Pa) between the pressure in the bag and the atmospheric pressure?

7. The pressure gauge on a compressed air tank reads 43. 2 psi. What is the pressure in atm?

9b. 2 bar=____________atm

9e. 113 kPa = __________bar


Stars:

2. The air pressure inside a submarine is 0.62 atm. What would be the height of a column of mercury balanced by this pressure?

8. The pressure in the tire of an automobile is 34.8 psi. What is the pressure in kPa?

9c. 669 mmHg = __________bar

9f. 35 bar =____________Pa

10. On a warm, sunny day, a student uses a tire pressure gauge to test the air pressure of her tires. While listening to the weather report on the way to the garage, she finds the barometric pressure is 780 mmHg. If the gauge reads a pressure of 35 psi, what is the actual pressure inside the tires? Please give your answer in psi, mm Hg, atmospheres and Pascals.

Chemistry 11/9/2011

First in class Mrs. Sorensen gave each pod two of the sheets with lab names and we were supposed to discuss, as a pod, which law the lab (or part of the lab) used. Mrs. Sorensen then went to every pod to discuss with them WHY the law they chose made what happened happen. Mrs. Sorensen also passed back the pressure unit conversion mini-pop-quiz, with a mark (square, triangle, or star) that corresponds to a worksheet with questions on it (the shape on your quiz corresponds to certain questions), page 390 is the pressure unit conversion numbers. If you were gone, you do the triangle and square problems. The problems will be on Mrs. Sorensen's teacherweb website and this blog if you don't have them.
(http://teacherweb.com/IA/IndianolaHighSchool/Sorensen)

You need to comment on other's gas law lab blogs by Friday.

Daily Blog 11/8

Today in class we reviewed the gas laws and applied them to real life situations.

Boyle's Law: There is constant temperature, and the pressure and volume were inversely related.

Charles Law: Constant pressure but temperature and volume are directly related.

Gay-Lusaacs Law: Constant volume but pressure and temperature are directly related.

For example, the lab we did with the egg in the flask is an example of Gay-Lusaacs law. The volume wasn't changed, but when the temperature was decreased, causing the pressure inside the flask to go down. The outside pressure then forced the egg into the flask.

The balloon and heater experiment is an example of Charle's Law, because when heat is added to the balloon the molecules move faster and expand. The reaction to this is the volume and pressure increase causing the density to decrease and the balloon rises. When the balloon rises the temperature decreases causing the volume the decrease and making the density in the balloon to increase and make the balloon fall.

The tire inflate experiment would be and example of Boyle's Law, because adding pressure into the bottle causes the bottle to expand and making the volume of the syringe to increase. When letting out the pressure the volume decreases and the bottle would contract the temperature would never change in this experiment.

The egg in the bottle with hot water is and example of Gay-Lusac's Law, because when the hot water is in the bottle causes the molecules to move faster When the egg is put on top of the bottle the pressure on the inside of the bottle doesn't change, but the pressure on the outside of the bottle increases pushing the egg inside of the bottle.

Gas Laws

Boyles Law- (the book and blue water lab). This lab has to do with contest temperature. The temperature of the blue water stayed the same all through out the whole experiment. The thing that changed was the pressure and volume, as you added textbooks onto the pipet.

Charles Law- (heated balloon lab). This lab has to do with contest pressure. This means the pressure stayed the same through out the whole experiment. The things that changed was temperature, and volume.

Gay-Lusaac's Law- (The "Egg In" Lab). This lab has to do with contest volume. The egg in this experiment stayed at the same volume all through out the experiment. The thing that changed was pressure and temperature.

Gas Labs

Exploded tire in hot climate: Gay Lusaac's Law
Hot air balloon flying: Charles' Law

Filling up a tire: Boyle's Law

The egg lab showed two of the three laws. Boyle and Gay-Lusaac. When the water in the beaker was warmed, the egg went into the beaker because the pressure and temperature both went up and volume was kept constant when the water was warmed. this is due to Gay-Lusaac's law. When I blew into the beaker it increased the volume and decreased the pressure of the beaker and pushed the egg out. This is due to Boyle's law. The Crush the can lab showed Charles' law. The pressure remained constant while temperature and volume went down.

Laws ( Boyles, Gaylusaac's, Charles)

One experiment I did was to show how Boyles Law works; it involved just a straw. I twisted it until the pressure was forced into the middle of the straw and my hands were on both ends of the straw to hold in the air. As I twisted the space in the middle of the straw decreased while the pressure was building. My partner flicked the middle and it popped. Why? Well do to the increase of pressure and decrease volume, the pressure was building inside and the forced applied to the outside was too much for the inside of the straw. The loud sound was all the gas escaping. Pressure and volume increased and temperature stayed the same.

When outside pressure presses on a balloon, the volume inside increases causing the pressure to decrease. This makes the outside pressure greater than the pressure inside making the balloon burst.

http://www.google.com/imgres?um=1&hl=en&safe=off&tbm=isch&tbnid=E3zf0dXw1BLMTM:&imgrefurl=http://highhopesballoon2.wikispaces.com/Air%2BPressure&docid=tfwA7RN30l91OM&imgurl=http://highhopesballoon2.wikispaces.com/file/view/IMG_0007.jpg/222273906/IMG_0007.jpg&w=2048&h=1536&ei=Lo_BTrWVIuOA2AWY9Jy_Bw&zoom=1&iact=hc&vpx=296&vpy=291&dur=6425&hovh=193&hovw=258&tx=34&ty=92&sig=101224118638014281289&page=1&tbnh=141&tbnw=159&start=0&ndsp=27&ved=1t:429,r:8,s:0&biw=1228&bih=783
Gay-Lusaac's Law is explained by the one experiment with a hard-boiled egg, hot and cold water, and a flask. We swirled hot water around and then dumped out the water. We placed the egg on the top of the flask and put the whole thing in cold water. The egg went in.
The hot water caused the molecules to move fast and pressure to increase from the bottom of the flask. When placed it in cold water the molecules slowed down and the pressure decreased causing the force on the outside to increase and the balloon to be pushed in. Temperature and pressure changed while volume stayed the same.

http://www.youtube.com/watch?v=SQrvPY5hamY&feature=related-

Charles Law is explained by a balloon being heated up. A balloon with constant pressure was heated up and rose but when heat was removed, the balloon fell. The molecules were expanded and so the volume increased. The pressure on the outside was the same while the temperature and volume increased.

Charles Law-

Gas Laws

Boyle's Law: gas law that states when the temperature remains constant, the pressure and volume are inversely related, meaning that if one increases, the other decreases. An example would be with the marshmallow lab. When the marshmallow was in a syringe and the pressure was being increased, the volume decreased.

Charle's Law: gas law that states when the pressure remains constant, volume and temperature are directly related, meaning that if one decreases, for example, the other will also decrease. This law ties in with the temperature vs. pressure lab where the bottle's inside pressure decreased, and the temperature and volume would increase and decrease together.

Gay-Lusaac's Law: gas law that states when the volume remains constant, pressure and temperature are directly related. An example of this law would be the balloon in the earlymeyer flask lab. the balloon became more dense when temperature and pressure was changed and sank into the flask.

The Gas Laws

Boyle's Law
State's that temperature stays constant, if the pressure goes up, the volume goes down.
This is like pipet, the blue liquid, and the books. The temperature in this experiment stood at a constant temperature. The pressure went up because the books compressed the air in the pipet. This caused the volume to go down, because the books compressed the pipet and pushed the liquid farther out.

Gay-Lussac's Law
This law states that the volume stays constant, the pressure and temperature are directly
related
This law is also like what happened in the balloon going into the flask, the amount of the gas in the flask stood the same while the temperature changed and the pressure pulled the balloon into the flask. When the flask cooled down, the molecules slowed and contracted, this pulled the balloon into the flask.

Charles' Law
This law shows that if there is a constant pressure, the temperature and volume are directly related
This is like what happened in the balloon in front of the heater. The balloon has a constant pressure, when the heat went up, the volume went down. Causing the balloon to float The heat made the molecules speed up and expand, making the balloon expand and made the volume go up. Since the mass was the same, the density went down and the balloon floated. When the balloon floated away from the heater the molecules cooled down, contracted, the density increased and the balloon fell.

Gas Laws and the Labs

Gay-Lusaac's Law- Is keeping a constant vloume. The lab that we did that I think relates to this law is the egg lab. The reason being is because the egg always keeps the same volume no matter what, but when changing temperature such has heating it the pressure in the flask changes and pushes the egg upwards because the pressure is trying to escape the flask.

Boyle's Law- The lab that relates to this law would be the marshmallow in the syringe. It relates because when the pressure in the syringe increased the volume decreased.

Charles's Law- Relates to the balloon and heater lab. The reason is because when you hold the balloon to the heater it got a constant pressure that was less dense than the air which made it float upwards, but once it cooled off it became more dense causing it to sink.

Gas Laws

Blue liquid with Chemistry books- This was an example of Boyles' Law. The liquid stayed at a constant temperature. As books were added to the tube of liquid it added pressure. When the pressure went up so did the volume. As the books were taken off the pressure was released and the volume went down.

Charles Law- the object is under constant pressure. The temperature and volume are directly related, which means when one goes up so does the other. The temperature and pressure lab is a good example for this law. The bottle was always under pressure, but the temp and volume would change.



Egg Station- This was an example of Gay-lusaac Law. The volume of the egg stayed constant. Warm water was swirrled around to produce gas. After the warm water was removed the egg was placed on the mouth of the flask. Then the flask was placed in cold water which dropped the egg to the bottom of the flask. The temperatures changed and the pressure changed aswell. But the volume of the egg stayed the same.

Gas Laws

Boyles Law: The temperature is constant, but the pressure and volume are inversely related. An example of this law would be the the marshmallow station. When the syringe was pushed in, the pressure was increased and it caused the volume to decrease. Also when the pressure was decreased, the marshmallow got bigger and the volume increased.

Charles Law: The pressure is constant, and the temperature and volume are directly related. For example, the heated balloon lab showed this law by keeping the pressure the same, but when the temperature increased, the volume of the balloon went down, causing it to be less dense so the balloon floated up. When the temperature was decreased, the balloon was more dense so the balloon sunk to the floor.

Gay-Lusaacs Law: The volume is constant, but the pressure and temperature are directly related. The lab that represented Gay-Lusaacs law was the egg leaving the beaker by using the hot water. This happened because when the temperature was increased, the molecules began moving faster and colliding more building up pressure. The pressure couldn't escape the flask because the egg was blocking the opening. The force pushed the egg up and out of the flask.

Boyles Law is just like the book and the blue liquied in the pipet. Because everything stayed at a constant tenperature. When we added the books onto the pipet the pressure increased and so did the volume of the blue liquid. But it all stayed at the same temperature threw out the whole lab.

.

Charles law is like the air balloon because constant pressure and volume are directly related. So as the balloon sat infront of the heater it built up a constant pressure and was more dense then the air causing it to go up. But as it cooled it got less dense and floated down.

Gay-lussacs law is that constant volume and pressure and temp are directly related. This is like like the egg and the flask. When u heate The egg it fell into to the flask but when blowing into flask and putting in cold water the egg came out.

Gas Laws

Charles law states that an object is under constant pressure and temperature and volume are in direct relation which means when one of them goes up the other one does too, and when one goes down so does the other. This relates to the temp. and pressure lab because the bottle was always under a little bit of pressure and the temp and volume would rise and fall at the same time.

Boyles law states that temperature always stays the same and volume ad pressure are inversely related which means that when pressure increases the volume decreases. An example of this is in the marshmallow lab, because when you decrease the volume by pushing the syringe in the pressure increases and the marshmallow shrinks up. But when you pull the syringe out the volume increased as the pressure decreased by the marshmallow expanding.

Gay Lusaacs law states that the volume will always stay constant and that the temperature and pressure are related directly. An example of this is in the pressure and temperature lab. As you increase the pressure in the bottle the temperature increases. As you decrease the pressure the temperature also decreases.

Gas Laws and Gas Labs

Gas Laws

Boyle's Law:

If temperature is constant, doubling the pressure of a fixed amount of gas decreases its volume by one half.

Charles's Law:

The volume of a given mass is directly proportional to its kelvin temperature at a constant pressure.

Gay-Lussac's Law:

The pressure if a given mass of gas varies directly with the kelvin temperature when the volume remains constant.

Boyle's law applies to the lab in which a marshmallow was placed in an airtight syringe and pressure was exerted to lower the volume.

Charles's law applies to the lab in which a balloon was placed in front of a heater, and inflated slightly and rose.

Gay-Lussac's law applies to the lab in which the balloon was pushed into the flask by lower pressure inside the flask due to lower temperature.

Gas Laws

Boyle's Law: The volume vs. pressure was Boyle's Law because it had a constant temperature but the pressure and volume changed and were inversely related. As you added air or pressure to the bottle the volume went down. This is because you put in air so there was less room or volume because of all the molecules that were being pumped into the bottle. when you released the pressure there was more room or volume because there was less molecules taking up space.

Gay-Lusacc's Law: The experiment with the balloon stretching inside the bottle was Gay-Lusacc's Law because it had a constant volume but the the temperature and pressure changed and were directly related. When you heated the water some of the water evaporated causing there to be a lot of molecules in the flask. That is why you had to cover the flask with a balloon really fast after you stopped heating it, so molecule wouldn't escape. Once you put cold water on the flask, the molecules slowed down causing less collisions. The cold water made the pressure on the inside of the flask less than the pressure on the outside so the pressure pushed down on the balloon to equal out the pressure and reach equilibrium. When you took the balloon off, that popping sound was due to the equaling out of pressure.

Charles's Law: The experiment with the balloon over a heater was Charle's Law because it had a constant pressure but the temperature and volume changed and were directly related. The heater was releasing constant warm air. Since the air was warm there was more molecules and more collisions. There was so many molecules that they need more room to move so they started to take up more room or more volume. Since it increased the volume but the mass stayed the same it made the density of the balloon less than the density of the air around it causing it to float to the top. When it got to the top the wasn't as much hot air so the molecules contracted and the volume decreased causing the density of the balloon to be more than the density of the air around it causing it to sink.

Gas Law

Boyle's law: the marshmallow lab where you put the marshmallow into the syringe. When you added pressure the marshmellow shrunk. When you lessened pressure the marshmellows volume increased.

Charles' Law: the lab where you stuck a hot pop can into cold water is Charles' lab because the temperature and volume changed. The temperature cooled and the volume got smaller.

Gay-Lussac's Law: the lab with the balloon in the flask was Gay- Lussac's Law because pressure and temperature changed. The pressure increased causing the balloon to be pulled inside the flask. The temperature also increased.

The gas laws and the labs

The balloon that was forced into the flask was using Gay-Lusaac's gas law. His law states that the volume will stay constant and pressure and temperature are directly related. If pressure increases, volume will increase and vice-versa. The flask was heated( an increase in temperature) and the balloon was placed over the mouth of the flask. The pressure around the flask became greater than the pressure within the flask because once the flask was cooled off, the molecules within the flask moved slower, causing the balloon to sink into the flask.

The "popping" straw lab in which the straw was wound very tight, flicked and then popped used Boyle's Law. Boyle's Law states that the temperature will stay constant and the pressure and volume are inversely related. If pressure increases, volume will decrease and vice-versa. The straw was twisted causing a decrease in volume, which caused more collisions and increased the pressure. The pressure was then released by the flicking of the straw and the volume went back to normal.

Charles's Law states that the pressure will stay constant and the temperature and the volume are directly related. If the temperature increases, the volume will increase. During the Toy Story balloon lab the balloon without heated air sat stationary on the ground. After the balloon was heated, the air around it became less dense and the volume increased and the balloon rose. After the air around the balloon cooled down, the volume decreased and the balloon floated to the ground. The pressure stayed the same throughout the entire lab.

REAL WORLD EXAMPLES

Boyle's Law

-- Deep sea fish die when brought to the surface.

The temperature within the fish stays constant as the fish rises to the surface. The pressure increases, which causes the volume of gases inside the fish to increase. This ultimately causes the fishes insides to burst and kill the fish.

Charles's Law

--Basketball loses shape in hot sun

A new basketball is placed out in the sun for long period of time (1 month). The ball will eventually increase in size due to the increase in volume. If the ball was placed back into normal conditions, it would regain it's shape.

Gay-Lusaac's Law

--A propane tank bursts

If a propane tank is left out in the sun with even a little amount of propane inside, there could most likely be an explosion. If the temperature increases, (which it will because its a hot summer day) the pressure will increase causing the molecules to speed up and it will burst.

YAY! GAS LAWS!

so gas laws! remember ptv! Pressure, temp., and volume.
now imagine ur holding a piece of paper with PTV written on it. hold the letter P and move the paper, this is charle's law. While the pressure is contast the tem and volume increase and decrease at the same time, the best way to remember this is Charlie's angels are under constant pressure

now boyle's law is that the temperature is constant, while when the pressure increases the volume decreases. and thats about it

Now this one you'll just remember from his name. this is Gay-lusac's law(lol). it is when the volume is constant but the pressure and temp increase and decrease at the same time.

Laws and Labs

These beach balls show Gay-Lusaac's Law. It shows what happens when you leave your beach ball outside in the cold.

This video shows Boyle's Law. The straw through the potato. It shows that at a constant temperature when the pressure goes up the volume will then at the same time go down.

• Gay-Lusaac's Law-The "Egg In" the Flask-This lab has to do with constant volume. The volume of the egg is always the same throughout the whole lab. When the temperature of the flask goes down the pressure also goes down making the egg go into the flask.
  



• Boyle's Law-The Book and Blue Water Lab- This lab has to do with constant temperature. The temperature of the Blue Water is the same throughout the whole lab. the pressure increases as you put books on the pipette and the volume of the blue water in the tube part of the pipette increases at the same time.

• Charles's Law- The Heated Balloon Lab- This lab has constant pressure. The pressure on the balloon stayed the same throughout the whole lab. As the temperature of the balloon went up, because of the heater the balloon was less dense so the balloon went up. As the temperature got colder the balloon got more dense than the density of air, so then the balloon went down.

This video shows Charles's Law. It shows that when you increase the temperature the volume also increases and the same time, if there is a constant pressure.