DP Chemistry (first assessment 2025)

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Question 22M.2.HL.TZ2.4d(iii)

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.2.HL.TZ2.4d(iii)
Level HL Paper 2 Time zone TZ2
Command term Calculate Question number d(iii) Adapted from N/A
d(iii).
[Maximum mark: 1]
22M.2.HL.TZ2.4d(iii)
(d(iii))

Calculate the Gibbs free energy change, ΔG⦵, in kJ mol−1, for the reaction at 298 K. Use section 1 of the data booklet.

[1]

Markscheme

«ΔG⦵ = 53.0 kJ mol–1 – (298K × 0.1665 kJ K–1 mol–1) =» 3.4 «kJ mol–1» ✔

Syllabus sections