7. Gases

Which of the following statements about substances X and Y is true, assuming both behave as ideal gases under identical conditions?

Which of the following laws is directly related to the formulation of the ideal gas law?

Which of the following gas laws can be combined to derive the ideal gas law equation?

What is the mass of 8.55 L of phosphine gas (PH_3) at STP? Round your answer to 3 significant figures.

A student collects a gas over water using a eudiometer. The atmospheric pressure is 1.00 atm, and the height difference between the water levels inside and outside the eudiometer is negligible. What is the pressure of the collected gas (pgas)?

In a chemical reaction involving the decomposition of calcium carbonate (CaCO3), which gas is produced?

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

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?

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?

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?

Which of the following molecules will behave most like an ideal gas under standard temperature and pressure conditions?

In the equation for the ideal gas law, PV = nRT, which of the following sets of variables are typically considered unknowns that can be solved for if the other variables are provided?

According to the ideal gas law, what determines the shape and volume of a gas inside a container?