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Gibbs free energy change, ΔG: CAIE A‑Level Chemistry questions

Every CAIE A-Level Chemistry exam question on 23.4 Gibbs free energy change, ΔG, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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312 questions

  1. Q2(b)(i)

    Specimen · Paper 4

    3 marks23.4 Gibbs free energy change, ΔG
    The whole paper ↗
    Specimen Paper 4, question 2(b)(i): Calculate ∆Gɵ for this reaction at 298 K. Show your working. ∆G ɵ = kJ mol–1 [3]

  2. Q2(b)(ii)

    Specimen · Paper 4

    1 mark23.4 Gibbs free energy change, ΔG
    The whole paper ↗
    Specimen Paper 4, question 2(b)(ii): Explain why this reaction is feasible only at high temperatures. [1]
All 2 questions on Gibbs free energy change, ΔG, as a list
  1. Specimen, Paper 4, Q2(b)(i) (3 marks): Calculate ∆Gɵ for this reaction at 298 K. Show your working. ∆G ɵ = kJ mol–1 [3]
  2. Specimen, Paper 4, Q2(b)(ii) (1 mark): Explain why this reaction is feasible only at high temperatures. [1]

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