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key-eng-08fa-CHM2045C-e8117x04 - Exam 4 answer key The test...

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Exam 4 answer key for 25 November 08 The test version is listed before problem 1, after problem 20, and before problem 21. Students were given four points for writing their name on all the partial credit pages and writing the name & version on the brown scantron. One student did not write the version on their brown scantron. PART I : Problems 1 – 20 are worth 2.5 pts each for maximum of 50 points. phi is φ # Topic % correct Answers 1 lab: conductance 58.6 e 2 lab: endothermic/exothermic 65.5 d 3 lab: activity series 62.1 d 4 ionic vs covalent vs metallic bonding 37.9 d 5 electronic configuration of ions 37.9 b 6 lattice energy 20.7 d 7 bond enthalpy trends 37.9 ab 8 bond length trends 24.1 a 9 bond enthalpy calculations 69.0 b 10 octet rule violations 24.1 b 11 polar bonds 51.7 a 12 polar molecules 34.5 e 13 nitrate ion 34.5 e 14 formal charge 72.4 b 15 molecular geometry 55.2 e 16 hybridization 62.1 e 17 sigma and pi bonds 86.2 b 18 valence bond and MO theory 48.3 c 19 bond order 58.6 d 20 paramagnetism 31.0 a If you think you spot an error, please let Dr. Eng ([email protected]) know.
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Exam 4 answer key for 25 November 08 The test version is listed before problem 1, after problem 20, and before problem 21.
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