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6.57 Nitroglycerine, C,H,(NO,),(I), a powerful explosive used in mining, detonates to produce a hot gaseous mixture of nitrogen, water, carbon dioxide, and oxygen. (a) Write a balanced equation for this reaction using the smallest whole-number coefficients. (b) If AHº = -2.29×104 kJ for the equation as written in part (a), calculate AH of nitroglycerine. rxn

6.57 Nitroglycerine, C,H,(NO,),(I), a powerful explosive used in mining, detonates to produce a hot gaseous mixture of nitrogen, water, carbon dioxide, and oxygen. (a) Write a balanced equation for this reaction using the smallest whole-number coefficients. (b) If AHº = -2.29×104 kJ for the equation as written in part (a), calculate AH of nitroglycerine. rxn

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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6.57 Nitroglycerine, C,H,(NO,),(I), a powerful explosive used in mining, detonates to produce a hot gaseous mixture of nitrogen, water, carbon dioxide, and oxygen. (a) Write a balanced equation for this reaction using the smallest whole-number coefficients. (b) If AHn = -2.29×10* kJ for the equation as written in part (a), calculate AH; of nitroglycerine. rxn 6.58 The common lead-acid car battery produces a large burst of current, even at low temperatures, and is rechargeable. The reac- tion that occurs while recharging a "dead" battery is 2PBSO,(s) + 2H,O(1) (a) Use AH values from Appendix B to calculate AH (b) Use the following equations to check your answer to part (a): (1) Pb(s) + PbO,(s) + 2SO3(g) –→ 2PBSO4(s) Pb(s) + PbO2(s) + 2H,SO,(1) rxn AHn = -768 kJ %3D Ixn (2) SO3(g) + H,0(1) H,SO,(1) ΔΗ AHn = -132 kJ %3D rxn
Transcribed Image Text:6.57 Nitroglycerine, C,H,(NO,),(I), a powerful explosive used in mining, detonates to produce a hot gaseous mixture of nitrogen, water, carbon dioxide, and oxygen. (a) Write a balanced equation for this reaction using the smallest whole-number coefficients. (b) If AHn = -2.29×10* kJ for the equation as written in part (a), calculate AH; of nitroglycerine. rxn 6.58 The common lead-acid car battery produces a large burst of current, even at low temperatures, and is rechargeable. The reac- tion that occurs while recharging a "dead" battery is 2PBSO,(s) + 2H,O(1) (a) Use AH values from Appendix B to calculate AH (b) Use the following equations to check your answer to part (a): (1) Pb(s) + PbO,(s) + 2SO3(g) –→ 2PBSO4(s) Pb(s) + PbO2(s) + 2H,SO,(1) rxn AHn = -768 kJ %3D Ixn (2) SO3(g) + H,0(1) H,SO,(1) ΔΗ AHn = -132 kJ %3D rxn
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