For a certain gas-phase reaction

CHEMISTRY · Single correct · AP · Chemistry · Kinetics · Kinetics

Problem

For a certain gas-phase reaction, the forward activation energy is 150 kJ mol⁻¹ and the enthalpy change is

\Delta H = -40\,\text{kJ}\,\text{mol}^{-1}

. What is the activation energy for the reverse reaction? (a)

110\ \text{kJ mol}^{-1}

(b)

150\ \text{kJ mol}^{-1}

(c)

190\ \text{kJ mol}^{-1}

(d)

40\ \text{kJ mol}^{-1}