Calculate the standard enthalpy of reaction for the process 2 NO,(g) + 7 H,(g) → 2 NH,(g) + 4 H,0(g) based on the following standard enthalpies of formation: AH°f[NH, (g)] = -46.1 kJ/mol; AH°f[NO,(g)] = +33.2 kJ/mol; and AH°F[H,0(g)] = -241.8 kJ/mol. Select one: a. -808.4 kJ b. -1125.8 kJ C. -993.1 kJ d. -254.7 kJ

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.7: Enthalpy Calculations
Problem 5.10CYU: Calculate the standard enthalpy of combustion for benzene, C6H6. C6H6() + 15/2 O2(g) 6 CO2(g) + 3...
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Calculate the standard enthalpy of reaction for the process
2 NO, (g) + 7 H,(g) → 2 NH, (g) + 4 H,0(g)
based on the following standard enthalpies of formation: AH°F[NH,(g)] = -46.1
kJ/mol; AHºf[No,(g)] = +33.2 kJ/mol; and AH°f[H,O(g)] = -241.8 kJ/mol.
Select one:
a. -808.4 kJ
b. -1125.8 kJ
C. -993.1 kJ
d. -254.7 kJ
Transcribed Image Text:Calculate the standard enthalpy of reaction for the process 2 NO, (g) + 7 H,(g) → 2 NH, (g) + 4 H,0(g) based on the following standard enthalpies of formation: AH°F[NH,(g)] = -46.1 kJ/mol; AHºf[No,(g)] = +33.2 kJ/mol; and AH°f[H,O(g)] = -241.8 kJ/mol. Select one: a. -808.4 kJ b. -1125.8 kJ C. -993.1 kJ d. -254.7 kJ
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