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1. Polymerization reactions are complicated somewhat because they involve very large numbers of molecules. But we can demonstrate the general features of the thermodynamics of polymerization by considering a much smaller model system. Instead of considering the formation of polyethylene, for example, we can begin with the following reaction in which two ethylene molecules combine with hydrogen to form butane: 2 C2H4) + H2( - GH10) Use the table below to calculate ASº. Compound U mol" K) Compound (J mol K') 130.6 CO:(g) 213.6 205.0 C,H„(g) 310.03 I1,0() 69.91 CIL() 186.2 188.7 CIL® 219.5 NH) 1923 C,H,N(O 178.91

1. Polymerization reactions are complicated somewhat because they involve very large numbers of molecules. But we can demonstrate the general features of the thermodynamics of polymerization by considering a much smaller model system. Instead of considering the formation of polyethylene, for example, we can begin with the following reaction in which two ethylene molecules combine with hydrogen to form butane: 2 C2H4) + H2( - GH10) Use the table below to calculate ASº. Compound U mol" K) Compound (J mol K') 130.6 CO:(g) 213.6 205.0 C,H„(g) 310.03 I1,0() 69.91 CIL() 186.2 188.7 CIL® 219.5 NH) 1923 C,H,N(O 178.91

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter23: Organic Polymers, Natural And Synthetic
Section: Chapter Questions
Problem 48QAP
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1. Polymerization reactions are complicated somewhat because they involve very large numbers of molecules. But we can demonstrate the general features of the thermodynamics of polymerization by considering a much smaller model system. Instead of considering the formation of polyethylene, for example, we can begin with the following reaction in which two ethylene molecules combine with hydrogen to form butane: 2 C2H4 + H2g → GH10) Use the table below to calculate ASº. Compound (J mol" K') Compound U mol" K') 130.6 CO:(g) 213.6 O:(g) 205.0 C,H(g) 310.03 II,O() CI L(g) 69.91 186.2 I1,0(g) 188.7 CIL(E) 219.5 NH(g) 1923 C,H,N(O 178.91
Transcribed Image Text:1. Polymerization reactions are complicated somewhat because they involve very large numbers of molecules. But we can demonstrate the general features of the thermodynamics of polymerization by considering a much smaller model system. Instead of considering the formation of polyethylene, for example, we can begin with the following reaction in which two ethylene molecules combine with hydrogen to form butane: 2 C2H4 + H2g → GH10) Use the table below to calculate ASº. Compound (J mol" K') Compound U mol" K') 130.6 CO:(g) 213.6 O:(g) 205.0 C,H(g) 310.03 II,O() CI L(g) 69.91 186.2 I1,0(g) 188.7 CIL(E) 219.5 NH(g) 1923 C,H,N(O 178.91
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