One mole of ice melts at and 1 atm absorbing 1440 cal of heat

CHEMISTRY · Single correct · A Level · Chemistry · Energetics · Energetics

Problem

One mole of ice melts at

0^\circ\text{C}

and 1 atm absorbing 1440 cal of heat. The molar volume of ice and water are 0.0196 and 0.0180 litre respectively. The

\Delta U

for the change is : (1)

\approx 1440

cal (2)

>> 1440

cal (3)

<< 1440

cal (4) = 1440 cal