Question

If you decreased the volume of a sample of gas by a factor of three while maintaining a constant pressure, how would the absolute temperature of the gas be affected?

Answer 1

Answer:

The temperature of the gas will decrease by a factor of

3

.

Explanation:

The pressure and temperature of a gas have a direct relationship when pressure and number of moles of gas are kept constant

→

this is known as Charles' Law.

Simply put, when the pressure of a given sample of gas is kept constant, increasing the volume of the gas will result in an increase in temperature

Similarly, decreasing the volume of the gas, as you have in your example, will result in a decrease in temperature.

Mind you, the temperature of the gas is actually its absolute temperature, i.e. its temperature expressed in Kelvin,

K

.

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