kJ/mol (kcal/mol) X\Y= H F Cl Br I OH NH2 CH3 CH3CH2- CN CH3- CH3CH2- 439 (105) 452 (108) 356 (85) 293 (70) 238 (57) 385 (92) 356 (85) 377 (90) 368 (88) 510 (122) (CH3)2CH- (CH3)3C- CH2=CHCH2-362 (86.5) 409 (98) 404 (97) 423 (101) 444 (106) 335 (80) 448 (107) 339 (81) 285 (68) 228 (53) 380 (91) 356 (85) 368 (88) 336 (80) 274 (65) 226 (54) 385 (92) 351(84) 331 (79) 263 (63) 213 (51) 380 (91) 339 (81) 289 (69) 230 (55) 172 (41) 305 (73) CH2 376 (90) 301 (72) 243 (58) 201 (48) 332 (79) CH2=CH- 465 (111) 368 (87) 259 (62) 406 (97) 536 (128) 473 (113) 527 (126) 402 (96) 337 (80.5) 274 (65) 464 (111) 427 (102) 377 (90) CH3O- 436 (104) 333 (80) H- 435 (104) 569 (136) 431 (103) 368 (88) 297 (71) 498 (119) 449 (107) 439 (105) 423 (101) 543 (130) Additional Bond Dissociation Energies kJ/mol (kcal/mol) Bond F-F Dº 298 159 (38) Bond Dº 298 Bond Dº 298 Bond Dº 298 BuO-OtBu 159 (38) HC=CH 965 (231) (CH3)3Si-H 378 (90) CI-CI 243 (58) 0=0 498 (119) HC=C-H 556 (133) (CH3)3Ge-H 340 (81) Br-Br 192 (46) OC=O 732 (175) Cl3C-CI 392 (94) nBu3Sn-H 308 (74) I-I 151 (36) H₂C=O 732 (175) CH3CO-H 374 (89) CH3S-H 365 (87) HO-OH 213 (51) H₂C=CH2 728 (174) For the reaction below: CH3CH3 + F. CH₂CH₂ + H-F a. Estimate the gas phase enthalpy change using bond dissociation enthalpies from the OWL Table Reference, not data from your text. Click the References button and then click the Tables link on the drop-down that appears. Include algebraic sign and units. b. Is the reaction exothermic or endothermic? c. Is the reaction likely to proceed spontaneously in the direction written? Submit Answer Retry Entire Group 4 more group attempts remaining