Question

A certain sample of gas has a volume of $0.2$ litre measured at $1$ atm pressure and $0^{\text{o}}\text{C}$. At the same pressure but at $\text{27}{\text{3}}^{\text{o}}\text{C}$, its volume will be:

• A. $0.4$ litres
• B. $0.8$ litres
• C. $27.8$ litres
• D. $55.6$ litres

Answer 1

The correct option is A $0.4$ litres

According to Charles' law:

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

$\frac{0.2}{273}=\frac{V}{546}$

$V=0.4litres$

Hence, option A is correct.