# Gas Laws Quiz #1

8 Questions  I  By Robert Stine
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 iscompress 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. 4Express the answer as 2. 4 atmNote 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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 1 A sample gas occupies 0.5 liters at 30 degrees Celsius and 2000 mm - Hg. What is the temperature in Kelvin at which the gas will occupy 1 liter at 2280 mm-Hg
 2 What will the pressure be in atm when a gas at 7 atm is heated from 15 to 30 degrees Celsius, if the volume stays at a constant 5L?
 3 A gas is cooled from 350 to 300  degrees kelvin, with a constant volume of 5L. What would the final pressure of the gas be in mm-Hg if the initial pressure measures at 850 mm-hg?
 4 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?
 5 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).
 6 A gaseous sample of carbon dioxide occupies a volume of 3.27 L at a temperature of 20 degrees Celsius. If the pressure remains constant, what is the temperature in Kelvin if the volume lowers to 3L?
 7 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?
 8 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?
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