Pentaborane BgHg(s) burns vigorously in 02 to give B203(s) and H201). Calculate AHrxn for the combustion of 5.00 mol of B5H9. AH{B2031s)) = -1,273.5 kJimol AH{B5H9/S)] = 73.2 kJimol AH(H200) = -285.8 kJ/mol Muitiple Choice - 22,700 kJ - 45,400 kJ 45,400 kJ - 9,090 kJ - 8,790 kJ

Pentaborane BgHg(s) burns vigorously in 02 to give B203(s) and H201). Calculate AHrxn for the combustion of 5.00 mol of B5H9. AH{B2031s)) = -1,273.5 kJimol AH{B5H9/S)] = 73.2 kJimol AH(H200) = -285.8 kJ/mol Muitiple Choice - 22,700 kJ - 45,400 kJ 45,400 kJ - 9,090 kJ - 8,790 kJ

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter10: Fuels, Organic Chemicals, And Polymers

Section: Chapter Questions

Problem 121QRT

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Question

Pentaborane BgHg/s) burns vigorously in O2 to give B203(s) and H20). Calculate AHpxn for the combustion of 5.00 mol of B5H9.
AH{B2031s)) = -1,273.5 kJimol
AH{BsHgls)] = 73.2 kJ/mol
AH(H200) = -285.8 kJ/mol
Muitiple Choice
- 22,700 kJ
-45,400 kJ
45,400 kJ
- 9,090 kJ
- 8,790 kJ

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