Exploring Gas Laws in Chemistry

What is the ideal gas law equation?

Which of the following is a unit of pressure?

• Kelvin

• Joule

• KiloPascal

• Mole

If the volume of a gas is doubled while the temperature remains constant, what happens to the pressure?

• It doubles

• It halves

• It remains the same

• It quadruples

What is the standard molar volume of an ideal gas at STP (Standard Temperature and Pressure)?

• 22.4 L

• 24.0 L

• 20.0 L

• 18.0 L

• 4.92 atm

• 5.00 atm

• 4.92 kPa

• 5.00 kPa

Which of the following statements is true about real gases compared to ideal gases?

• Real gases have no volume

• Real gases have no intermolecular forces

• Real gases deviate from ideal behavior at high pressures

• Real gases always behave like ideal gases

What happens to the volume of a gas if the temperature is increased while the pressure remains constant?

• The volume decreases

• The volume increases

• The volume remains the same

• The volume becomes zero

Which of the following is NOT a postulate of the kinetic molecular theory of gases?

• Gas particles are in constant, random motion

• Gas particles have significant volume

• Gas particles exert no forces on each other

• The average kinetic energy of gas particles is proportional to temperature

If a gas at 1 atm and 273 K is compressed to half its volume, what is the new pressure, assuming temperature remains constant?

• 0.5 atm

• 1 atm

• 2 atm

• 4 atm

A gas occupies 5 L at 2 atm. What will be its volume at 1 atm, assuming temperature remains constant?

• 2.5 L

• 5 L

• 10 L

• 20 L