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Date May 2016 Marks available 1 Reference code 16M.1.sl.TZ0.14
Level SL Paper 1 Time zone TZ0
Command term Determine Question number 14 Adapted from N/A

Question

What is the enthalpy of formation of ethyne, in kJmol−1, represented by the arrow Y on the diagram?
 
A.  −788−286+1301
B.  −788−286−1301
C.  +788+286−1301
D.  +788+286+1301

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Core » Topic 5: Energetics/thermochemistry » 5.2 Hess’s Law
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