Gas Laws

Contents / notes

• Boyle's law (isothermal process).
• Charles's law (isobaric process).
• Pressure law (volumetric process).
• Absolute zero of temperature.
• General gas equation: PV/T = constant.
• Ideal gas equation, for example PV = nRT.
• Van der Waals gas equation.

Candidate objectives

• Interpret the gas laws.
• Use the expressions for gas laws to solve numerical problems.
• Interpret the Van der Waals equation for one mole of a real gas.