Chemistry · May / June 2024 · Paper 22 · Question 5
5070
As printed in the paper
The question as text
When a sample of zinc carbonate is heated in a closed system, an equilibrium mixture is formed. ZnCO3(s) ZnO(s) + CO2(g) The forward reaction is endothermic.
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Show the answer and mark scheme
5(a)[2]
5(b)[2]
5(c)[3]
5(d)[2]
5(e)[2]
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