91Ó°ÊÓ

Which of the following are observed properties of gases? (a) variable shape (b) expand uniformly (c) compress infinitely (d) mix with other gases

Which of the following are observed properties of gases? (a) variable volume (b) expand infinitely (c) compress uniformly (d) low density

Give the value for standard atmospheric pressure in each of the following units: (a) millimeters of mercury (b) centimeters of mercury

Give the value for standard atmospheric pressure in each of the following units: (a) inches of mercury (b) pounds per square inch

If oxygen gas in a steel container is at a pressure of 5.00 atm, what is the pressure expressed in each of the following units? (a) psi (b) \(\mathrm{cm} \mathrm{Hg}\)

If a piston in an automobile engine compresses a fuel-air mixture to a pressure of \(9.50 \mathrm{~atm},\) what is the pressure expressed in each of the following units? (a) in. \(\mathrm{Hg}\) (b) \(\mathrm{mm} \mathrm{Hg}\)

An American newscast states that the barometer reads 30.8 in. Hg. Express the atmospheric pressure in each of the following units: (a) \(k P a\) (b) torr

A Canadian newscast states that the barometer reads \(104 \mathrm{kPa}\). Express the atmospheric pressure in each of the following units: (a) psi (b) \(\mathrm{cm} \mathrm{Hg}\)

Indicate what happens to the pressure of a gas with the following changes: (a) The volume increases. (b) The temperature increases. (c) The moles of gas increase.

Indicate what happens to the pressure of a gas with the following changes: (a) The volume decreases. (b) The temperature decreases. (c) The moles of gas decrease.