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The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinone and water: C6H4(OH)2(aq) + H2O2(aq) → C§H4O2(aq) + 2H2O(1) Calculate AH for this reaction from the following data: C,H4 (OH)2 (aq) → C¿H4O2(aq) + H2 (9) AH = 177.4 kJ H2 (9) + O2(9) → H2O2(aq) AH = -191.2 kJ H2 (9) + } O2(9) + H20(g) AH = -241.8 kJ H2O(g) → H2O(1) AH = -43.8 kJ ΔΗ= kJ

The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinone and water: C6H4(OH)2(aq) + H2O2(aq) → C§H4O2(aq) + 2H2O(1) Calculate AH for this reaction from the following data: C,H4 (OH)2 (aq) → C¿H4O2(aq) + H2 (9) AH = 177.4 kJ H2 (9) + O2(9) → H2O2(aq) AH = -191.2 kJ H2 (9) + } O2(9) + H20(g) AH = -241.8 kJ H2O(g) → H2O(1) AH = -43.8 kJ 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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The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinone and water: CоHа (ОН)2 (ад) + H202(аg) — СөН, О2(ад) + 2H2О() Calculate AH for this reaction from the following data: CвНа (ОН)2(аq) — СеH4О2(ад) + H2(9) ДН — 177.4 kJ H2 (g) + O2 (g) → H2O2(ag) AH = -191.2 kJ H2 (g) + 02 (g) → H2O(g) AH = -241.8 kJ H2O(g) → H20(1) AH = -43.8 kJ ΔΗ kJ
Transcribed Image Text:The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinone and water: CоHа (ОН)2 (ад) + H202(аg) — СөН, О2(ад) + 2H2О() Calculate AH for this reaction from the following data: CвНа (ОН)2(аq) — СеH4О2(ад) + H2(9) ДН — 177.4 kJ H2 (g) + O2 (g) → H2O2(ag) AH = -191.2 kJ H2 (g) + 02 (g) → H2O(g) AH = -241.8 kJ H2O(g) → H20(1) AH = -43.8 kJ ΔΗ kJ
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