ATSC-110L: Meteorology 1 Lab

Ideal Gas Law Relationships

Charles' Law

At a constant pressure, the volume is directly proportional to the temperature

As temp increases, volume increases
As temp decreases, volume decreases

Image 1: Charles' Law and the Ideal Gas Law Ideal Gas Law. PV = mRT. If pressure is held constant, and volume increases, temperature increases. If pressure is held constant, and volume decreases, temperature decreases. Mass is assumed to be unchanging, and the gas constant, R, doesn't change.

Gay-Lussac's Law

At a constant volume, the pressure is directly proportional to the temperature

As temp increases, pressure increases
As temp decreases, pressure decreases

Image 2: Gay-Lussac’s Law and the Ideal Gas Law Ideal Gas Law. PV = mRT. If volume is held constant, and pressure increases, temperature increases. If volume is held constant, and pressure decreases, temperature decreases. Mass is assumed to be unchanging, and the gas constant, R, doesn't change.

Boyle's Law

At a constant temperature, the volume is inversely proportional to the pressure

As pressure increases, vol decreases
As pressure decreases, vol increases

Image 3: Boyle’s Law and the Ideal Gas Law Ideal Gas Law. PV = mRT. If temperature is held constant, and volume increases, pressure decreases. If temperature is held constant, and volume decreases, pressure increases. Mass is assumed to be unchanging, and the gas constant, R, doesn't change.

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