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Gas Laws Quiz #1

8 Questions  I  By Robert Stine
Physics Quizzes & Trivia
Quiz on gas laws # 1 includes questions on Boyle's Law. Charles' Law, Lussac's Law, and the Combined Gas Law. Identify the law you need to solve the problem and solve the problem. Use classroom rules for rounding and include units in your answer.

Example: If 6 liters of a gas at 2. 0 atm is compress the gas to have a new volume of 5 liters, what is the new pressure?

This is a Boyle's Law Problem so

P1V1 = P2V2
(2. 0)(6) = (P2)(5)
P2 = 2. 4

Express the answer as 2. 4 atm

Note rounding is important numbers greater than 1 are rounded to the tenths place (1 = 1. 0, 5. 85 = 5. 9 etc. . . ) and numbers less than 1 are rounded to one place after the first non zero (0. 000567 = 0. 00057, 02875 = 0. 29)

Units are expressed after the number as above. I
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Question Excerpt

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1.  At 200 degrees Celsius a gas has a volume of 380ml. What will the volume be in mL at 300 degrees Celsius ( pressure remains constant).
2.  A gas is stored in a balloon at a pressure of 760 mm - Hg at 50 degrees Celsius. . The balloon is heated until the temperature is 100 degrees Celsius. What is the pressure in mm-Hg.
3.  A gas occupies 15 L at a pressure of 80 mm-Hg. What is the volume when the pressure is increased to 525 mm-Hg?
4.  A gas has a volume of 10L at - 100 degrees Celsius and .94atm. What would the volume of the gas be in L if the temperature increased to 100 degrees Celsius and the pressure to 1 atm?
5.  A gas in a balloon that has a volume of  5 L is at a pressure of 0.7atm. The gas is able to expand at a constant temp of 10 degrees Celsius until the pressure is at 0.5atm. What is the final volume of the box?
6.  A sample of gas occupies 15L at 300 degrees kelvin and 350kPa. What is the pressure in kPa if the temperature rises to 500 degrees kelvin and the volume to 30L?
7.  A gas has a pressure of 630 mm-Hg at 296 degrees kelvin. At standard pressure what is the temperature of this gas in K?
8.  A gas occupies 10 L at an unknown pressure. What is the initial pressure, if the final volume is 5L and the pressure is 5atm?
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