Charles'+Law

Charles' Law

Definition - Variation of gas volume with temperature at a constant pressure. (As Temperature rises Volume Rises.)

Formula - V1 / T1 = V2 / T2

Example Problem -

A sample of Carbon Monoxide Gas occupies 320L at 125 degrees C. At what temperature will the gas occupy a volume of 1.54L if the pressure remains constant?

V1 / T1 = V2 / T2

V1 = 3.20L V2 = 1.54L

T1 = 398.15K T2 = ?

T2 = __V2 x T1__ = __1.54L x 398.15K__ = 192K V1 3.20L

Explanation based on Molecules - As temperature increases volume increases, thus the molecules will move faster as there is more space to occupy. As temperature decreases volume decreases and the molecules will move slower because there is less space to occupy.



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