ChapterNineReviewTwo - BE(C-H BE(C C BE(O=O BE(C=O BE(O-H A...

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Name: __________________________ Date: _____________ 1. Experiments show that it takes 1656 kJ/mol to break all the bonds in methane (CH 4 ) and 4006 kJ/mol to break all the bonds in propane (C 3 H 8 ). Based on these data, calculate the average bond energy of the C-C bond. A) 347 B) 147 C) 569 D) 78 2. Estimate the enthalpy change for the combustion of 19.4 g of acetylene, C 2 H 2 , to form carbon dioxide and water vapor.
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Unformatted text preview: BE(C-H) BE(C C) BE(O=O) BE(C=O) BE(O-H) A) 1650 kJ B) 1230 kJ C) 915 kJ D) 347 kJ E) 915 kJ 3. Calculate the energy required for the gas phase process represented by Na(g) + Br(g) Na + (g) + Br -(g) Given: Ionization energy (Na) = 496 kJ/mol Electron affinity (Br) = 324 kJ/mol Electron affinity (Na) = 53 kJ/mol Page 1 Answer Key 1. A 2. C 3. +172 kJ/mol Page 2...
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This homework help was uploaded on 04/20/2008 for the course CHEM 1300/ taught by Professor Ballester during the Fall '08 term at Nova Southeastern University.

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ChapterNineReviewTwo - BE(C-H BE(C C BE(O=O BE(C=O BE(O-H A...

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