Question

the temperature of 20 litre of Nitrogen gas was increased by 100 Kelvin to 300 Kelvin at constant pressure change in volume will be

Answer 1

Answer: The volume nitrogen gas at 300 K is 30 L.

Explanation:

Initial temperature = 300 K - 100 K =200 K

Temperature is changed by 100 K  to 300 K

Volume of gas at 200 K ($T_1$), $V_1$ = 20 L

Volume of gas at 300 K ($T_1$) = $V_2$

According to Charles's law :

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$ (At constant pressure)

$V_2=\frac{V_1\times T_2}{T_1}=\frac{20 L\times 300 K}{200 K}=30 L$

The volume nitrogen gas at 300 K is 30 L.