Constant Volume in AP Chemistry

Definition

Constant volume refers to a condition in which the volume of a system remains unchanged throughout a process or reaction. It means that there is no change in the amount of space occupied by the substances involved.

Related terms

Boyle's Law:

This law states that at constant temperature, the pressure exerted by a given amount of gas is inversely proportional to its volume. Changes in pressure and volume are interrelated under constant volume conditions.

Ideal Gas Law:

The ideal gas law relates the pressure (P), volume (V), temperature (T), and number of moles (n) for an ideal gas using the equation PV = nRT. It helps understand how changes in one variable affect others under different conditions.

Molar Volume:

Molar volume refers to the amount of space occupied by one mole of any substance under specific conditions of temperature and pressure. It can be used to calculate volumes at constant conditions when given moles or vice versa.