Question

Calculate the bond energy for the formation of boron trifluoride. Br—Br + 3 F—F ? 2 Br—F Average Bond Enthalpies (kJ/mol) Single Bonds C—H 413 N—H 391 O—H 463 F—F 155 C—C 348 N—N 163 O—O 146 C—N 293 N—O 201 O—F 190 Cl—F 253 C—O 358 N—F 272 O—Cl 203 Cl—Cl 242 C—F 485 N—Cl 200 O—I 234 C—Cl 328 N—Br 243 Br—F 237 C—Br 276 S—H 339 Br—Cl 218 C—I 240 H—H 436 S—F 327 Br—Br 193 C—S 259 H—F 567 S—Cl 253 H—Cl 431 S—Br 218 I—Cl 208 Si—H 323 H—Br 366 S—S 266 I—Br 175 Si—Si 226 H—I 299 I—I 151 Si—C 301 Si—O 368 Multiple Bonds C=C 614 N=N 418 O? 495 C?C 839 N?N 941 C=N 615 S=O 523 C?N 891 S=S 418 C=O 799 C?O 1072

          Calculate the bond energy for the formation of boron trifluoride.

Br—Br + 3 F—F ? 2 Br—F

Average Bond Enthalpies (kJ/mol)
Single Bonds
C—H 413 N—H 391 O—H 463 F—F 155
C—C 348 N—N 163 O—O 146
C—N 293 N—O 201 O—F 190 Cl—F 253
C—O 358 N—F 272 O—Cl 203 Cl—Cl 242
C—F 485 N—Cl 200 O—I 234
C—Cl 328 N—Br 243 Br—F 237
C—Br 276 S—H 339 Br—Cl 218
C—I 240 H—H 436 S—F 327 Br—Br 193
C—S 259 H—F 567 S—Cl 253
H—Cl 431 S—Br 218 I—Cl 208
Si—H 323 H—Br 366 S—S 266 I—Br 175
Si—Si 226 H—I 299 I—I 151
Si—C 301
Si—O 368
Multiple Bonds
C=C 614 N=N 418 O? 495
C?C 839 N?N 941
C=N 615 S=O 523
C?N 891 S=S 418
C=O 799
C?O 1072

Calculate the bond energy for the formation of boron trifluoride.

Br—Br + 3 F—F ? 2 Br—F

Average Bond Enthalpies (kJ/mol)
Single Bonds
C—H 413 N—H 391 O—H 463 F—F 155
C—C 348 N—N 163 O—O 146
C—N 293 N—O 201 O—F 190 Cl—F 253
C—O 358 N—F 272 O—Cl 203 Cl—Cl 242
C—F 485 N—Cl 200 O—I 234
C—Cl 328 N—Br 243 Br—F 237
C—Br 276 S—H 339 Br—Cl 218
C—I 240 H—H 436 S—F 327 Br—Br 193
C—S 259 H—F 567 S—Cl 253
H—Cl 431 S—Br 218 I—Cl 208
Si—H 323 H—Br 366 S—S 266 I—Br 175
Si—Si 226 H—I 299 I—I 151
Si—C 301
Si—O 368
Multiple Bonds
C=C 614 N=N 418 O? 495
C?C 839 N?N 941
C=N 615 S=O 523
C?N 891 S=S 418
C=O 799
C?O 1072

Added by Kayla B.

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