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Date November 2009 Marks available 1 Reference code 09N.1.hl.TZ0.18
Level HL Paper 1 Time zone TZ0
Command term Identify Question number 18 Adapted from N/A

Question

Which change leads to an increase in entropy?

A.     CO2(g)CO2(s)

B.     SF6(g)SF6(l)

C.     H2O(l)H2O(s)

D.     NaCl(s)NaCl(aq)

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Additional higher level (AHL) » Topic 15: Energetics/thermochemistry » 15.2 Entropy and spontaneity
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