7. Gases

Which event led to the significant increase of oxygen in Earth's atmosphere?

A capsule of gas has a volume of 550 L, a pressure of 1750 atm, and a temperature of 7500 degrees Celsius. It is broken, releasing the gas into an environment at STP. How many moles of gas are there in the capsule?

Using the Ideal Gas Law, what is the pressure in psi of a 36.0 g sample of fluorine gas (F2) in a 26.0 L container at a temperature of 32.0 °C?

A sample of argon gas has a volume of 0.240 L, a pressure of 0.900 atm, and a temperature of 27.0°C. At what temperature (°C) will the argon have a volume of 80.0 mL and a pressure of 3.20 atm?

Under which of the following conditions is a gas least likely to be ideal?

What is the value of the gas constant, R, in units of L·atm/mol·K? Report the value with at least three significant figures.

A 500.0 mL container holds nitrogen gas (N_2) at a pressure of 780 mm Hg and a temperature of 135°C. Using the ideal gas law, how many molecules of N_2 are present in the container?

A sample of krypton gas at 3.50 atm is heated from 20.0 °C to 150.0 °C. If the volume remains constant, what is the final pressure?

Given that 0.10 mol of nitrogen gas undergoes two processes, which of the following statements about the final pressure of the gas is correct if the volume doubles and the temperature remains constant?

What pressure would a gas mixture in a 10.0 L tank exert if it were composed of 48.5 g of He and 94.6 g of CO2 at 398 K, assuming ideal gas behavior?

Which of the following best explains why real gases do not behave exactly like ideal gases?

Based on the behavior of molecules in a mixture of gases, which statement best explains how the Ideal Gas Law applies to the sample shown?

Which of the following relationships is consistent with the ideal gas law?