1) Which of the following best describes the relationship between volume and pressure of a gas at constant temperature a) Charles' Law b) Avogadro's Law c) Boyle's Law d) Graham's Law 2) According to Boyle's Law, if the volume of a gas is decreased, what happens to its pressure? a) Increases b) Decreases c) Remains constant d) Doubles 3) What happens to the volume of a gas when its pressure is increased at constant temperatur? a) Increases b) Decreases c) Remains constant d) Doubles 4) Which gas law describes the relationship between volume and temperature at constant pressure? a) Boyle's Law b) Avogadro's Law c) Charles' Law d) Gay-Lussac's Law 5) If the temperature of a gas is increased at constant pressure, what happens to its volume? a) Increases b) Decreases c) Remains constant d) Doubles 6) The particles in a gas are: a) Tightly packed and vibrating in fixed positions. b) Close together but able to slide past each other. c) Far apart and moving randomly. d) Stationary 7) What is the standard value of the pressure of bars? a) 760 bars b) 29.9 bars c) 1 bar d) 1.013 bars 8) Convert 880 torr to psi a) 16.02 b) 17.02 c) 18.02 d) 19.02 9) Convert 650 kPa to Pa a) 650160 b) 650150 c) 650140 d) 650170 10) Convert 2.56 bars to in Hg a) 75.56 inHg b) 76.6inHg c) 77.56inHg d) 78.6inHg 11) A sample of gas has an initial volume of 30.8 L and an initial temperature of -67℃. What will be the temperature of the gas if the volume is 21.0L? a) 130.35K b) 140.45K c) 150.45K d) 120.35K 12) A gas exerts a pressure of 3kPa on the walls of container 1. When container 1 is emptied into a 10L container, the pressure exerted by the gas increases to 6kPa. Find the volume of the container. a) 18 L b) 19 L c) 15 L d) 20 L 13) A cylinder of gas with a volume of 15.0L and a pressure of 965 mmHg is stored at a temperature of 55℃. To what temperature must the cylinder be cooled to reach a pressure of 850mmHg? a) 289.912K b) 287.855K c) 289.855K d) 288.912K 14) A sample of H2 has a volume of 8.56L at a temperature of 0℃ and pressure of 1.5atm. Calculate the moles of gas present. a) 0.58mol b) 0.57mol c) 0.59mol d) 0.56mol 15) The ideal gas law is represented by the equation PV=nRT. What does the "R" represent in this equation? a) Pressure b) Volume c) Number of moles d) Ideal gas constant

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