What is the effect of the following on the volume of 1 mol of an ideal gas?
(b) Temperature increases from 250°C to 500°C (at constant P).



Answer :

The volume will be twice of the initial volume of 1 mol of an ideal gas.

According to this law, a gas expands as its temperature rises, while a drop in temperature causes a decrease. According to the Charles' law, which states that, assuming the pressure is constant, the volume occupied by a fixed amount of gas is directly proportional to its absolute temperature. As the temperature is increased twice the initial value, therefore the volume will also be the twice of  the initial volume. The Kelvin temperature and the volume will be directly proportional when the pressure on a sample of a dry gas is kept constant. This direct proportional relationship can be expressed as follows:

V /  T

It follows that: V=kT,

where:

V is the gas's volume.

T is the gas's temperature, expressed in kelvins, and

A non-zero constant is k.

The equation of Charles law is:

V1/T1 = V2/T2 (keeping pressure constant)

Learn more about Charles law here:

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