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H2C=CH2 + CI H2C=CH + HCI Use the table of bond dissociation energies above to calculate...
Using the table of bond dissociation enthalpies, calculate AH° for the reaction A. (Use the entries for propene and propenyl halides for the calculation of cyclohexene and cyclohexenyl halides, respectively. Pay attention to the algebraic sign of your answer!) C-H bond BDE (kJ/mol) CH3-H 439 C2H:-H 422 (CH3), CH-H 414 (CH3)3C-H 405 CH2=CHCH2-H 372 CH2=CH-H 464 Table of bond dissociation enthalpies C-X bond BDE (kJ/mol) X, and HX bonds BDE (kJ/mol) CH3-I 242 CI-CI 247 C2H5-I 238 Br-Br 192 (CH3)2...
TABLE 6.1 BOND DISSOCIATION ENERGIES (A) OF COMMON BONDS KJ/MOL KCAL/MOL Bonds to H H2C=CH-CH2 HCC-CH, KJ/MOL KCAL/MOL 385 92 489117 HH 435 80 104 104 KJ/MOL KCAL/MOL 444 106 335 285 222 381 91 (CH3)2CH-F (CH) CH-CI (CH3)2CHBr (CH),CH (CH3)2CH-OH H-CH3 H-CH2CH3 HCH(CH3 H- CH3) 435 104 109 Bonds to methyl CH; CHEF CH3-C1 CH3-Br CH3 CH, OH CH I I 356 85 381 91 HC-c-X CHE (CH3)3C-H (CH3),C-F (CH),C-C1 (CH3)2C-Br (CH3), (CH)C-OH 381 444 331 106 111 464...
C-H bond BDE (kJ/mol) CH3-H 439 C2H:-H 422 (CH3)2 CH-H 414 (CH3)3 C-H 405 Table of Bond Dissociation Enthalpies C-X bond BDE (kJ/mol) X2 and HX bonds BDE (kJ/mol) CH3-C1 351 CI 247 CH-C1 355 НСІ 431 (CH3)2CH-C 355 (CH3)3C-CI 355 CH3 CH3 CH3CHCHCH3 CH3CHCH2CH3 + a Cl2 CI HCI Using the table of bond dissociation energies in the first part of this question: Calculate AH for this reaction. kJ/mol Overall, this reaction is CH3 CH3CHCHCH3 CH3 CH3CHCH2CH3 + b...
Bond Dissociation Energies, Dº298, for X-Y kJ/mol (kcal/mol) X\Y= H F Ci Br I OH NH2 CH3 CH3CH2- CN CH3- CH3CH2 (CH3)2CH- 439 (105) 452 (108) 356 (85) 293 (70) 423 (101) 444 (106) 335 (80) 285 (68) 238 (57) 385 (92) 356 (85) 377 (90) 368 (88) 510 (122) 228 (53) 380 (91) 356 (85) 368 (88) 336 (80) 409 (98) 448 (107) 339 (81) 274 (65) 226 (54) 385 (92) 351(84) 331 (79) 263 (63) 213 (51) 380...
This question has multiple parts. Work all the parts to get the most points. Table of Bond Dissociation Enthalpies C-H bond BDE (kJ/mol) C-X bond BDE (kJ/mol) X, and HX bonds BDE (kJ/mol) CH3-H 439 CH3-F 481 F2 157 C2H3-H 422 HF 568 (CH3)2 CH-H 414 (CH3)3C-H 405 C2H5-F 472 (CH3)2 CH-F 464 (CH3)3 C-F 455 CH3 CH3 CH3CHCHCH3 digne a CH3CHCH2CH3 + F2 F + HF Using the table of bond dissociation energies in the first part of this...
1. Bond Dissociation Energies and Free Radicals Bond Bond Dissociation Energies (kJ/mol) Bond BDE Bond BDE (kJ/mol) (kJ/mol) H-H 436 CH3-H 439 H-F 570 CH3CH2-H 432 H-CI 432 (CH3CH2 413 BDE Bond (kJ/mol) 10-N 350 0-0 180 F-F O-H 0-C O-F 460 BDE (kJ/mol) | 200 180 159 | H-Br H-I 366 298 404 350 O-C1200 O-Br (CH3)3C-H C-C (sigma) C=C(pi) 210 C1-C1243 Br-Br 193 243 0 -I 220 I-I | 151 A. The enzyme methane monooxygenase catalyzes a remarkably...
C-H Bond H3 C-H 422 372 C2H3-H (H3C)2HC-H (H3C)3C-H CR3-H HC=C-H R = alkyl C-H Bond Dissociation Enthalpies in kJ/mol BDE (kJ/mol) C-H Bond BDE (kJ/mol) C-H Bond BDE (kJ/mol) 439 RH, C-H HAC-HC-HAC-H | 422 R2HC-H 414 RHC=HC-RHC-H 372 414 H2C=HC-H 464 RHC=RC-RHC-H 372 405 RHC=HC-H 464 R2C=RC-RHC-H 372 405 RAC-HC-H 464 Ar-H 472 556 RC=C-H 556 Ar-H, C-H Ar = aromatic Ar(H3C)HC-H 376 376 Use the above table to estimate the bond dissociation enthalpy (BDE) of each indicated...
2. Estimate AH for the reaction below using bond enthalpies: (10 pts) CH2=CH-CH=CH2 + HCI → CH3-CHCI-CHCI-CH, Average Bond Enthalpies in kJ/mol. C=C +839 C-H +413 C-CI +328 H-CI +432
This question has multiple parts. Work all the parts to get the most points. C-H bond BDE (kJ/mol CH3-H 439 C,H-H 422 (CH3)2 CH-H 414 (CH3),C-H 405 Table of Bond Dissociation Enthalpies C-X bond BDE (kJ/mol) X, and HX bonds BDE (kJ/mol) CH3-1 242 I, 151 C2H5-I 238 HI 297 (CH3)2CH-I 238 (CH3),C-I 234 CH3 CH3 CH3CHCHCH3 CH3CHCH2CH3 + I, + HI Using the table of bond dissociation energies in the first part of this question: Calculate AH for this...
This question has multiple parts. Work all the parts to get the most points. 242 Table of Bond Dissociation Enthalpies C-H bond BDE (kJ/mol) C-X bond BDE (kJ/mol) X2 and EX bonds BDE (kJ/mol) CH3-H 439 CH3-I IL 151 CH3-H 422 C,HS-I 238 HI 297 (CH3), CH-H 414 (CH3)2CH-I 238 (CH3),C-H 405 (CH3),CI 234 CH3 CH3CHCH2CH2 CH3 + HI CH3CHCH2CH3 1 Using the table of bond dissociation energies in the first part of this question: Calculate AH for this reaction...