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Gas Laws Practice Test
Chemistry
Gas Laws Practice Test
1. Calculate the pressure of a gas if 8.04 mol occupies 31.8 L at 35oC.
2. Place the following gases in order of decreasing average molecular speed:
CO2 CO HCl Cl2 H2
3. A gas sample occupies 350. mL at 546 mm Hg. What volume does the gas occupy at
652 mm Hg? Which gas law is used for this problem?
4. 2.50 L of gas originally at 45˚C is warmed to 85˚C. What is the new volume if the
pressure remains constant?
5. A sample of gas occupies a volume of 120.0 mL at a pressure of 0.75 atm and a temperature of
22oC. What will the volume be at a pressure of 1.25 atm and a temperature of 70
oC?
6. A birthday party balloon is filled with 0.045 grams of Helium gas. If the balloon takes up 750.
mL of space and has a pressure of 325 mm Hg, what is the temperature inside the balloon?
Chemistry
Gas Laws Practice Test
1. Calculate the pressure of a gas if 8.04 mol occupies 31.8 L at 35oC.
2. Place the following gases in order of decreasing average molecular speed:
CO2 CO HCl Cl2 H2
3. A gas sample occupies 350. mL at 546 mm Hg. What volume does the gas occupy at
652 mm Hg? Which gas law is used for this problem?
4. 2.50 L of gas originally at 45˚C is warmed to 85˚C. What is the new volume if the
pressure remains constant?
5. A sample of gas occupies a volume of 120.0 mL at a pressure of 0.75 atm and a temperature of
22oC. What will the volume be at a pressure of 1.25 atm and a temperature of 70
oC?
6. A birthday party balloon is filled with 0.045 grams of Helium gas. If the balloon takes up 750.
mL of space and has a pressure of 325 mm Hg, what is the temperature inside the balloon?
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