39 3)Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: 2 NO(g) + O2(g) →2 NO2(g) AH rxn ? Given: N2(g) + O2(g) - 2 NO(g) 1/2 N2(8) + O2(g) - NO2(8) AH°, rxn =+183 kJ ΔΗ, rxn = +33 kJ A) -117 kJ B) +238 kJ С) -150. k] D) -333 kJ E) +115 kJ

39 3)Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: 2 NO(g) + O2(g) →2 NO2(g) AH rxn ? Given: N2(g) + O2(g) - 2 NO(g) 1/2 N2(8) + O2(g) - NO2(8) AH°, rxn =+183 kJ ΔΗ, rxn = +33 kJ A) -117 kJ B) +238 kJ С) -150. k] D) -333 kJ E) +115 kJ

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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Question

39
3)Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:
2 NO(g) + O2(g) →2 NO2(g)
AH rxn
?
Given:
N2(g) + O2(g) - 2 NO(g)
1/2 N2(8) + O2(g) - NO2(8)
AH°,
rxn =+183 kJ
ΔΗ,
rxn = +33 kJ
A) -117 kJ
B) +238 kJ
С) -150. k]
D) -333 kJ
E) +115 kJ

Expert Solution

Step 1

Given:

N₂(g) + O₂ (g) -----> 2 NO (g) ....∆H^°_rxn= +183 kJ

1/2 N₂(g) + O₂(g) -----> NO₂ (g) ...∆H^°_rxn= +33 kJ

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