In an energy profile

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

Problem

In an energy profile, the potential energy of the reactants is 85 kJ mol⁻¹, the transition state is 140 kJ mol⁻¹, and the products are at 45 kJ mol⁻¹. Calculate the enthalpy change ΔH for the reaction in kJ mol⁻¹.

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