The reaction pathway for a reversible reaction is displayed below. Which statement is right?
- AThe activation energy of the reverse reaction is $+80\ \text{kJ mol}^{-1}$.
- BThe enthalpy change for the forward reaction is $+30\ \text{kJ mol}^{-1}$.
- CThe enthalpy change for the forward reaction is $+50\ \text{kJ mol}^{-1}$.
- DThe enthalpy change for the reverse reaction is $+30\ \text{kJ mol}^{-1}$.