HCHEM: Gases Remediation (2025)

Front

What does Kinetic Molecular Theory (KMT) state about gas particles?

Back

Gas particles do not have attractive forces.

Front

Do gas particles undergo elastic or inelastic collisions according to KMT?

Back

Gas particles undergo elastic collisions.

Front

Which of the following is FALSE? Temperature can be measured in joules (J), pressure can be measured in atmospheres (atm), volume can be measured in milliliters (mL), the amount of a gas is measured in moles (mol).

Back

Temperature can be measured in joules (J) is FALSE.

Front

What gas law would you use to determine the temperature of a gas sample?

Back

The Ideal Gas Law.

Front

If the pressure of oxygen gas is 100 kPa and hydrogen gas is 125 kPa, what is the total pressure in the cylinder?

Back

225 kPa.

Front

What is the unit of pressure commonly used in gas laws?

Back

Atmospheres (atm).

Front

What is the relationship between temperature and pressure in a gas at constant volume?

Back

As temperature increases, pressure increases.

Front

What is the formula for the Ideal Gas Law?

Back

PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is temperature.

Front

What happens to the volume of a gas when the temperature decreases at constant pressure?

Back

The volume decreases (Charles's Law).

Front

What is the definition of absolute zero?

Back

Absolute zero is the theoretical temperature at which a substance has minimal thermal energy, equivalent to 0 Kelvin.