What is AHn for the following chemical reaction? CO(g) + NH3(9)→HCN\(g)+H2O(9)

Chemistry for Engineering Students
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Author:Lawrence S. Brown, Tom Holme
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Chapter10: Entropy And The Second Law Of Thermodynamics
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What is AHn for the following chemical reaction?
CO(g) + NH3(g)→HCN(g)+H2O(g)
You can use the following table of standard heats of formation AH:) to calculate the enthalpy of the given reaction.
Standard Heat of
Formation
Standard Heat of
Element/ Compound
Element/ Compound
Formation
(kJ mol-1)
(kJ mol-)
H(g)
218
N(g)
473
H2(9)
O2 (9)
NH3 (9)
-45.90
O(g)
249
CO(g)
-110.5
H2O(g)
-241.8
C(g)
71
HCN(g)
130.5
C(s)
HNO3 (aq)
-206.6
Express the standard enthalpy of reaction to three significant figures and include the appropriate units.
Transcribed Image Text:What is AHn for the following chemical reaction? CO(g) + NH3(g)→HCN(g)+H2O(g) You can use the following table of standard heats of formation AH:) to calculate the enthalpy of the given reaction. Standard Heat of Formation Standard Heat of Element/ Compound Element/ Compound Formation (kJ mol-1) (kJ mol-) H(g) 218 N(g) 473 H2(9) O2 (9) NH3 (9) -45.90 O(g) 249 CO(g) -110.5 H2O(g) -241.8 C(g) 71 HCN(g) 130.5 C(s) HNO3 (aq) -206.6 Express the standard enthalpy of reaction to three significant figures and include the appropriate units.
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