91Ó°ÊÓ

Use the kinetic molecular theory of gases to explain each of the following: a. Gases move faster at higher temperatures. b. Gases can be compressed much more easily than liquids or solids. c. Gases have low densities.

Use the kinetic molecular theory of gases to explain each of the following: a. A container of nonstick cooking spray explodes when thrown into a fire. b. The air in a hot-air balloon is heated to make the balloon rise. c. You can smell the odor of cooking onions from far away.

Identify the property of a gas that is measured in each of the following: a. \(350 \mathrm{~K}\) b. \(125 \mathrm{~mL}\) c. \(2.00 \mathrm{~g}\) of \(\mathrm{O}_{2}\) d. \(755 \mathrm{mmHg}\)

Identify the property of a gas that is measured in each of the following: a. \(425 \mathrm{~K}\) b. \(1.0 \mathrm{~atm}\) c. \(10.0 \mathrm{~L}\) d. \(0.50 \mathrm{~mol}\) of He

Which of the following statement(s) describes the pressure of a gas? a. the force of the gas particles on the walls of the container b. the number of gas particles in a container c. \(4.5 \mathrm{~L}\) of helium gas d. 750 torr e. \(28.8 \mathrm{lb} / \mathrm{in} .^{2}\)

Which of the following statement(s) describes the pressure of a gas? a. the temperature of the gas b. the volume of the container c. \(3.00 \mathrm{~atm}\) d. \(0.25 \mathrm{~mol}\) of \(\mathrm{O}_{2}\) e. \(101 \mathrm{kPa}\)

An oxygen tank contains oxygen \(\left(\mathrm{O}_{2}\right)\) at a pressure of \(2.00 \mathrm{~atm}\). What is the pressure in the tank in terms of the following units? a. torr b. \(\mathrm{lb} / \mathrm{in} .^{2}\) c. \(\mathrm{mmHg}\) d. \(\mathrm{kPa}\)

On a climb up Mount Whitney, the atmospheric pressure drops to \(467 \mathrm{mmHg}\). What is the pressure in terms of the following units? a. atm b. torr c. in. \(\mathrm{Hg}\) d. \(\mathrm{Pa}\)

Why do scuba divers need to exhale air when they ascend to the surface of the water?

Why does a sealed bag of chips expand when you take it to a higher altitude?