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1. Use the bond enthalpies to calculate the enthalpy change for this reaction. Is the reaction endothermic or exothermic? Show all of your work. C₂HO + 302 HH H-C-C-O-H HH 0=0 2 CO2 + 3 H₂O O=C=0 -0% H ethanol oxygen carbon dioxide water Bond Breaking Bond Making Energy Length Bond (kJ/mol) (pm) Bond TABLE 8.6 Average Bond Dissociation Energies and Bond Lengths for Some Common Covalent Bonds Energy Length (kJ/mol) (pm) Energy Length (kJ/mol) (pm) Bond H-H 432 75 N-H 391 101 F-F 154 142 H-F 565 92 N-F 272 136 F-C 253 165 H-Ɑ 427 127 N-C 200 175 F-Br 237 176 H-Br 363 141 N-Br 243 189 F-I 273 191 H-I 295 161 N-N 160 145 CI-CI 239 199 C-H 413 109 N=N 418 125 Cl-Br 218 214 C-F 485 135 N=N 941 110 CH-I 208 232 C-Cl 339 177 0-H 467 96 Br-Br 193 228 C-Br 276 194 O-F 190 142 Br-I 175 247 C-I 240 214 o-al 203 172 HI 149 267 C-C 347 154 0-1 234 206 H-S 363 134 C=C 614 134 0-0 146 148 S-F 327 156 C=C 839 120 0=0 495 121 S-Cl 253 207 C-N 305 143 358 143 S-Br 218 216 C=N 615 138 C=0 745* 120 226 205 891 116 1072 113 *C=O bond energy in CO, is 799 kJ/mol.

1. Use the bond enthalpies to calculate the enthalpy change for this reaction. Is the reaction endothermic or exothermic? Show all of your work. C₂HO + 302 HH H-C-C-O-H HH 0=0 2 CO2 + 3 H₂O O=C=0 -0% H ethanol oxygen carbon dioxide water Bond Breaking Bond Making Energy Length Bond (kJ/mol) (pm) Bond TABLE 8.6 Average Bond Dissociation Energies and Bond Lengths for Some Common Covalent Bonds Energy Length (kJ/mol) (pm) Energy Length (kJ/mol) (pm) Bond H-H 432 75 N-H 391 101 F-F 154 142 H-F 565 92 N-F 272 136 F-C 253 165 H-Ɑ 427 127 N-C 200 175 F-Br 237 176 H-Br 363 141 N-Br 243 189 F-I 273 191 H-I 295 161 N-N 160 145 CI-CI 239 199 C-H 413 109 N=N 418 125 Cl-Br 218 214 C-F 485 135 N=N 941 110 CH-I 208 232 C-Cl 339 177 0-H 467 96 Br-Br 193 228 C-Br 276 194 O-F 190 142 Br-I 175 247 C-I 240 214 o-al 203 172 HI 149 267 C-C 347 154 0-1 234 206 H-S 363 134 C=C 614 134 0-0 146 148 S-F 327 156 C=C 839 120 0=0 495 121 S-Cl 253 207 C-N 305 143 358 143 S-Br 218 216 C=N 615 138 C=0 745* 120 226 205 891 116 1072 113 *C=O bond energy in CO, is 799 kJ/mol.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Use the bond enthalpies to calculate the enthalpy change for this reaction. Is the reaction endothermic or exothermic? Show all of your work. C₂HO + 302 HH H-C-C-O-H HH 0=0 2 CO2 + 3 H₂O O=C=0 -0% H ethanol oxygen carbon dioxide water Bond Breaking Bond Making
Transcribed Image Text:1. Use the bond enthalpies to calculate the enthalpy change for this reaction. Is the reaction endothermic or exothermic? Show all of your work. C₂HO + 302 HH H-C-C-O-H HH 0=0 2 CO2 + 3 H₂O O=C=0 -0% H ethanol oxygen carbon dioxide water Bond Breaking Bond Making
Energy Length Bond (kJ/mol) (pm) Bond TABLE 8.6 Average Bond Dissociation Energies and Bond Lengths for Some Common Covalent Bonds Energy Length (kJ/mol) (pm) Energy Length (kJ/mol) (pm) Bond H-H 432 75 N-H 391 101 F-F 154 142 H-F 565 92 N-F 272 136 F-C 253 165 H-Ɑ 427 127 N-C 200 175 F-Br 237 176 H-Br 363 141 N-Br 243 189 F-I 273 191 H-I 295 161 N-N 160 145 CI-CI 239 199 C-H 413 109 N=N 418 125 Cl-Br 218 214 C-F 485 135 N=N 941 110 CH-I 208 232 C-Cl 339 177 0-H 467 96 Br-Br 193 228 C-Br 276 194 O-F 190 142 Br-I 175 247 C-I 240 214 o-al 203 172 HI 149 267 C-C 347 154 0-1 234 206 H-S 363 134 C=C 614 134 0-0 146 148 S-F 327 156 C=C 839 120 0=0 495 121 S-Cl 253 207 C-N 305 143 358 143 S-Br 218 216 C=N 615 138 C=0 745* 120 226 205 891 116 1072 113 *C=O bond energy in CO, is 799 kJ/mol.
Transcribed Image Text:Energy Length Bond (kJ/mol) (pm) Bond TABLE 8.6 Average Bond Dissociation Energies and Bond Lengths for Some Common Covalent Bonds Energy Length (kJ/mol) (pm) Energy Length (kJ/mol) (pm) Bond H-H 432 75 N-H 391 101 F-F 154 142 H-F 565 92 N-F 272 136 F-C 253 165 H-Ɑ 427 127 N-C 200 175 F-Br 237 176 H-Br 363 141 N-Br 243 189 F-I 273 191 H-I 295 161 N-N 160 145 CI-CI 239 199 C-H 413 109 N=N 418 125 Cl-Br 218 214 C-F 485 135 N=N 941 110 CH-I 208 232 C-Cl 339 177 0-H 467 96 Br-Br 193 228 C-Br 276 194 O-F 190 142 Br-I 175 247 C-I 240 214 o-al 203 172 HI 149 267 C-C 347 154 0-1 234 206 H-S 363 134 C=C 614 134 0-0 146 148 S-F 327 156 C=C 839 120 0=0 495 121 S-Cl 253 207 C-N 305 143 358 143 S-Br 218 216 C=N 615 138 C=0 745* 120 226 205 891 116 1072 113 *C=O bond energy in CO, is 799 kJ/mol.
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