Given the standard enthalpy changes for the following two reactions: (1) N2(g) + O2(g) → 2NO(g) (2) N2(g) +202 (9) → N2O4(9) AH° 181.8 kJ AH° = 9.2 kJ What is the standard enthalpy change for the following reaction? (3) 2NO(g) + O2(g) → N2O4 (9) ΔΗ° =? Standard enthalpy change = 8.836 kj

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter5: Thermochemistry
Section: Chapter Questions
Problem 69E: Using the data in Appendix G, calculate the standard enthalpy change for each of the following...
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Given the standard enthalpy changes for the following two reactions:
(1) N2(g) + O2(g) → 2NO(g)
(2) N2(g) +202 (9) → N2O4(9)
AH° 181.8 kJ
AH° = 9.2 kJ
What is the standard enthalpy change for the following reaction?
(3) 2NO(g) + O2(g) → N2O4 (9)
ΔΗ° =?
Standard enthalpy change = 8.836
kj
Transcribed Image Text:Given the standard enthalpy changes for the following two reactions: (1) N2(g) + O2(g) → 2NO(g) (2) N2(g) +202 (9) → N2O4(9) AH° 181.8 kJ AH° = 9.2 kJ What is the standard enthalpy change for the following reaction? (3) 2NO(g) + O2(g) → N2O4 (9) ΔΗ° =? Standard enthalpy change = 8.836 kj
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