Question

A certain mass of a gas containing 43.5cm³ at 15°C is heated at constant pressure to 85°C. It then occupies a volume of 54cm³. Calculate the volume which the gas would occupy at 0°C

Answer 1

$p=const$

$V_1/T_1=V_2/T_2\to 43.5/(273+15)=V/273\to V\approx41.23(cm^3)$