Which Gas Law?

A sample of nitrogen gas is in a container with a variable volume.  When the volume of the container is 0.50 liters, the pressure is 6.0 atm.  The volume of the container is changed to 2.5 liters, keeping the temperature constant.  Which gas law equation should you use to determine the new pressure?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

At a constant temperature, 4.0 liters of hydrogen gas are compressed to 0.30 liters.  The new pressure of the gas is 7.0 atm.  Which gas law equation should you use to determine the pressure of the gas before it was compressed?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

The temperature of a gas in a container at 0.985 atm is 2.5°C.  Which gas law equation should you use to determine the new pressure of this gas after the temperature is raised to 105°C?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

The pressure of a sample of sulfur dioxide in a container at 28°C is 3.2 atm.  The temperature of the gas is changed and the pressure is dropped to 2.7 atm.  Which gas law equation should you use to determine the new temperature?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

A balloon has a volume of 1.2 liters inside a room where the temperature is 25°C.  Which gas law equation should you use to determine the volume of this balloon when it is taken outdoors on a very cold day where the temperature is -15°C?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

At a fixed pressure of 1.1 atm, the volume of a sample of carbon dioxide is changed from 995 mL to 1.28 L by changing the temperature.  The initial temperature of the gas is 25°C. Which gas law equation should you use to determine the new temperature of the gas?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

A sample of oxygen gas is in a container that has a variable volume.  When the volume is 2.35 liters and the temperature is 122°C, the pressure is 1.78 atm.  Which gas law equation should you use to determine the new pressure if the volume is decreased to 1.15 liters and the gas is cooled to 14°C?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

A sample of fluorine gas is at 985 mmHg in a 10.0 liter container.  The gas is transferred completely to a 12.6 liter container in which the temperature is 26°C.  The pressure of the gas in the 12.6 liter container is 1.12 atm. Which gas law equation should you use to determine what the temperature of the gas was when it was in the 10.0 liter container?

• P₁V₁ = P₂V₂
• V₁/T_{1 =} V₂/T₂
• P₁/T₁ = P₂/T₂
• P₁V₁/T₁ = P₂V₂/T₂

The pressure, volume, and temperature of a gaseous sample are 0.753 atm, 1.68 liters, and 22°C, respectively.  Which gas law equation should you use to determine the number of moles of gas in the sample.

• P₁V₁/T₁ = P₂V₂/T₂
• V₁/n_{1 =} V₂/n₂
• P₁ + P₂ + .... P_n = P_Total
• PV = nRT

The partial pressures in a gas mixture are: hydrogen (0.54atm), oxygen (0.86atm), and helium (0.23atm). Which gas law equation should you use to determine the total pressure?

• P₁V₁/T₁ = P₂V₂/T₂
• V₁/n_{1 =} V₂/n₂
• P₁ + P₂ + .... P_n = P_Total
• PV = nRT