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Question 18N.1.hl.TZ0.16

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.hl.TZ0.16
Level hl Paper 1 Time zone TZ0
Command term Question number 16 Adapted from N/A
16.
[Maximum mark: 1]
18N.1.hl.TZ0.16

What are the signs of ΔHΘ and ΔSΘ for the reaction, which is spontaneous at low temperature and non-spontaneous at very high temperature?

ΔGΘ = ΔHΘ − TΔSΘ

SO3 (g) + CaO (s) → CaSO4 (s)

 

[1]

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C

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