Three chemical changes have the following enthalpy changes per mole: Process W:…

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

Three chemical changes have the following enthalpy changes per mole: Process W:

\Delta H = -44\,\text{kJ mol}^{-1}

Process X:

\Delta H = +6\,\text{kJ mol}^{-1}

Process Y:

\Delta H = -242\,\text{kJ mol}^{-1}

Identify which process is most exothermic.