Chemistry

Problem

Determine the heat, including its sign, associated with the condensation of

0.250\,\text{mol}

of steam at

100\,^{\circ}\text{C}

to liquid water at the same temperature. The molar enthalpy of vaporization of water at

100\,^{\circ}\text{C}

40.7\,\text{kJ}\,\text{mol}^{-1}