Chemistry Ch. 12 Gases

The uniform mixing and spreading of gases over time is known as expansibility

In the equation PV=nRT, n represents the number of _____ in a sample

Which of the following is not a prediction of the kinetic-molecular theory?

Which of the following usually has the lowest density

The constant motion of gas particles results in diffusion

Who formulated a law stating that the total pressure of a mixture of gases equals the sum of the pressure of each gas?

The volumes of reacting gases and their gaseous products are expressed in small whole numbers is known as __________

Gas law problems can solved using celsius temperatures

The volume occupied by Avogadro's number of molecules of gas at STP, 22.4 L, is known as the gas's molar volume

The gas law that focuses on the relationship between volume and temperature is ______ law.

All gas particles have the same mass, but they have different numbers of particles in one mole.

When collecting a gas by water displacement, we must remember to adjust for water pressure.

Which gas law focuses on the relationship between pressure and volume?

When a gas moves through a tiny opening into an evacuated chamber, diffusion is occurring

The combined gas law is represented by the equation PV=nRT

Collisions of gas molecules are elastic and exchange energy without losing any energy

According to Boyle's law, PV=k

The gas law that states the rate of effusion of a gas is inversely related to its molar mass is

When a gas quickly spreads out to fill a low-pressure region expansibility is being demonstrated.

The main reason high pressures can squeeze into smaller volumes is that the gases are

For a given quantity of gas in a container with a fixed volume, when temperature increases, pressure also increases

For a constant quantity of gas at a constant pressure, temperature and volume have a direct relationship

Molar volume is the same for any ideal gas at STP

For a constant quantity of gas at a constant temperature, volume and pressure have a direct relationship