Partial Pressures

Definition

In a mixture of gases, each gas has a partial pressure which is the hypothetical pressure that gas would have if it alone occupied the entire volume.

Related terms

Dalton's Law: This law states that the total pressure of a gas mixture is equal to the sum of the partial pressures of its individual gases.

Gas Constant (R):

A physical constant which is featured in many fundamental equations in the physical sciences, such as the ideal gas law and kinetic theory of gases.

Ideal Gas Law:

An equation of state for a gas, which describes how gases behave. It combines Boyle’s law, Charles’ law and Avogadro’s Law.