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Hollow-up Google Chrome https://session stry.com/myctitemView? assignmentProblemIDs 74871362 Roosevelt University Chemistry 201, Fall 2016, D. Szpunar ch a HWAdapt ve Eolow-Up Exercise 9.83 Exercise 9.83 Ethane, a minority of gas, bums to form carbon dioxide and water according to this Part A Use average bond energies to calculate AH, for this reaction 2H3C CH3(g) +70,(g)- 4002 (g) +6H20(g) Note that the average bond energy for the breaking of a bond in CO is Submit My Answers What's the deltaH for this reaction? Yahoo Answers

Explanation / Answer

HRxn = Hproducts- Hreactants

HRxn = (4*CO2) + 6(2*OH) - (9*C-H) + 7O2

HRxn = (4*799) + 6(2*463) - (9*413) + 7*495

HRxn = 8500 kJ

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