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3. Use Hess' law to calculate AH° for the reaction +2 H, 2(g) > C,He) from the combustion data: AH° = -1300 kJ C,H2(e) + 5/2 O2e) 2 CO+ H,O 2(g) 2(g) > H,O AH° = -286 kJ Ho + 1/2 0, 2(g) 2(g) > 2 CO,+3 H,O AH° = -1560 kJ %3D C,H+7/2 O,21e) 2(g) (1) ΔΗ - kJ

3. Use Hess' law to calculate AH° for the reaction +2 H, 2(g) > C,He) from the combustion data: AH° = -1300 kJ C,H2(e) + 5/2 O2e) 2 CO+ H,O 2(g) 2(g) > H,O AH° = -286 kJ Ho + 1/2 0, 2(g) 2(g) > 2 CO,+3 H,O AH° = -1560 kJ %3D C,H+7/2 O,21e) 2(g) (1) ΔΗ - kJ

Chemistry
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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Use hess' law to calculate the change in H for the reaction:

3. Use Hess' law to calculate AH° for the reaction +2 H, 2(g) > C,He) from the combustion data: AH° = -1300 kJ C,H2(e) + 5/2 O2e) 2 CO+ H,O 2(g) 2(g) > H,O AH° = -286 kJ Ho + 1/2 0, 2(g) 2(g) > 2 CO,+3 H,O AH° = -1560 kJ %3D C,H+7/2 O,21e) 2(g) (1) ΔΗ - kJ
Transcribed Image Text:3. Use Hess' law to calculate AH° for the reaction +2 H, 2(g) > C,He) from the combustion data: AH° = -1300 kJ C,H2(e) + 5/2 O2e) 2 CO+ H,O 2(g) 2(g) > H,O AH° = -286 kJ Ho + 1/2 0, 2(g) 2(g) > 2 CO,+3 H,O AH° = -1560 kJ %3D C,H+7/2 O,21e) 2(g) (1) ΔΗ - kJ
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