Chemistry 9701 · AS & A Level · Chemical energetics

Chemical energetics — practice question

The diagram illustrates the reaction pathways with and without a catalyst. Which letter shows the overall energy difference for the reaction?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI