04 HW - Gas Laws II

04 HW - Gas Laws II - volume of the gas? 7. If I have 1.9...

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Name: ________________________________________ Date: ____________ WKST #19: Gas Laws #2 (50 points) Period: ___________ For each of the following problems: State which law is being used (where applicable) Write out the equation that you are using Substitute in the values Solve for the answer using correct units ( remember to work in Kelvin! ) Put a box around your answer. 1. What characteristics must an ideal gas possess? 2. What conditions (temperature and pressure) will cause a gas to act most ideally? 3. What is the density of argon gas? Will it float in air? Explain your answer. 4. You have three different gases in a container. The gas consists of 500 atm N 2 , 300 atm F 2 , and 200 atm Kr. What is the total pressure of the sample? 5. List the following gases in order of slowest to fastest diffusion rate: CO 2 , H 2 , N 2 , CH 4 , Cl 2 , He, Ar, O 2 , F 2 . 6. If I have 21 moles of gas held at a pressure of 780 torr and a temperature of 90°C, what is the
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Unformatted text preview: volume of the gas? 7. If I have 1.9 moles of gas held at a pressure of 500 mm of Hg and in a container with a volume of 425 mL, what is the temperature of the gas? 8. If I have 2.4 moles of gas held at a temperature of 97 C and in a container with a volume of 45 liters, what is the pressure of the gas? 9. You are given a balloon on your trip to the North Pole. a. The temperature of the balloon is -40 o C and the volume is 400 mL. You have determined the pressure inside the balloon to be 900 torr. How many moles of gas are inside the balloon? b. Assume that no gas escapes from the balloon. You bring the balloon back to the city where the temperature is 20 o C. The pressure inside the balloon is now 1150 torr. What is the volume of the balloon now? 10. Which conditions will enable a gas to behave most ideally? a. 100 K and 1000 torr c. 200 K and 500 torr b. 500 K and 200 torr d. 300 K and 300 torr...
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This note was uploaded on 01/01/2012 for the course CHEM 101 taught by Professor Donahue during the Spring '11 term at Long Island U..

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04 HW - Gas Laws II - volume of the gas? 7. If I have 1.9...

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