Calculate AH

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Calculate AH for the reaction:
CH4 (g) +
NH3 (g) –
HCN (g) + 3 H2 (g)
+
to noitiacqmoob
2 NH3 (g)
CH4 (g)
+ 2 HCN (g)
N2 (g) + 3 H2 (g)
ΔΗ
-91.8 kJ
+ 2 H2 (g)
AH = - 74.9 kJ
%3D
C (s)
ΔΗ
+270.3 kJ
H2 (g) + 2 C (s) + N2 (g)
Transcribed Image Text:Calculate AH for the reaction: CH4 (g) + NH3 (g) – HCN (g) + 3 H2 (g) + to noitiacqmoob 2 NH3 (g) CH4 (g) + 2 HCN (g) N2 (g) + 3 H2 (g) ΔΗ -91.8 kJ + 2 H2 (g) AH = - 74.9 kJ %3D C (s) ΔΗ +270.3 kJ H2 (g) + 2 C (s) + N2 (g)
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