Question

a sample of gas has a volume of 75.5 ml at 40degree celcius what volume will this sample have a 0 degree celcius when pressure is kept constant

Answer 1

volume remains constant as pressure is equal

Answer 2

Volume and temperature have a direct relationship when pressure and number of moles are kept constant - this is known as Charles' Law.

What that means is that when pressure and number of moles are kept constant, increasing the temperature will result in an increase in volume.

Likewise, a decrease in temperature will result in a decrease in volume.

Mathematically, this can be written as

V1/T1=V2/T2, where

V1, T1 - the volume and temperature of the gas at an initial state
V2, T2 - the volume and temperature of the gas at a final state

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