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Question 18N.1.sl.TZ0.15

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.sl.TZ0.15
Level sl Paper 1 Time zone TZ0
Command term Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
18N.1.sl.TZ0.15

Consider the following reaction:

N2 (g) + 3H2 (g) ⇌ 2NH3 (g)

       

Which calculation gives ΔHΘ, in kJ, for the forward reaction?

A.   2z − y − 3x

B.   y + 3x − 2z

C.   y + 3x − 6z

D.   6z − y − 3x

 

[1]

Markscheme

C

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