Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Concept explainers

Thermochemistry
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Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energ…
Question
3. Given the data: 2 Cu(s) + S(s) → Cu₂S (s) AH = -79.5 kJ S (s) + O₂(g) → SO₂ (g) AH=-297 kJ Cu₂S (s) + 2 O₂ (g) → 2 Cub (s) + SO₂ (g) Calculate AH for the following reaction Cu (s) + ½ O₂ (g) → CuO (s) ΔΗ = -163.2 kJ
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Transcribed Image Text:3. Given the data: 2 Cu(s) + S(s) → Cu₂S (s) AH = -79.5 kJ S (s) + O₂(g) → SO₂ (g) AH=-297 kJ Cu₂S (s) + 2 O₂ (g) → 2 Cub (s) + SO₂ (g) Calculate AH for the following reaction Cu (s) + ½ O₂ (g) → CuO (s) ΔΗ = -163.2 kJ
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