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Using the table of bond dissociation enthalpies, calculate AH° for the reaction A. (Use the entries...
H2C=CH2 + CI H2C=CH + HCI Use the table of bond dissociation energies above to calculate...
H2C=CH2 + CI H2C=CH + HCI Use the table of bond dissociation energies above to calculate AH for this reaction, the first step in the free radical chlorination of ethene. Table of Bond Dissociation Enthalpies Bond BDE (kJ/mol) H2C=CH-H 464 H-I 297 H-Br 368 H-C1 431 H-F 568 ΔΗ: kJ/mol This reaction is:
Bond Dissociation Energies (for A-B Bond broken AH, kJ/mol Bond broken → A A4, kJ/mol +...
Bond Dissociation Energies (for A-B Bond broken AH, kJ/mol Bond broken → A A4, kJ/mol + B) Bond broken mo H-H CH3CH2CH2-H (CH3)2CH-H (CH3)3C-H 436 423 413 400. H-Br 366 CH3CH2CH2-Br 294 (CH3)2CH-Br 298 (CH3)3C-Br292 Br-Br 193 H-CI 432 CH3CH2CH2-CI 354 (CH3)2CH-CI 355 (CH3)3C-CI 349 CI-CI 243 Alkane halogenation is a two-step reaction, as shown below. Using the table of bond dissociation energies, calculate the enthalpy of each step and the enthalpy of the overall reaction. Step 1: Number CH3CHCH3...
1. Calculate AH for each reaction using bond dissociation values. Determine if the reaction is exothermic...
1. Calculate AH for each reaction using bond dissociation values. Determine if the reaction is exothermic or endothermic a. CH3CH2CH3 + Br2 — CHșCH,CH,-Br + HBr ОН + H₂O + HI 498 297 aaa 720 - 698 - 22 401 andiotamie Table 6.2 Bond Dissociation Energies for Some Common Bonds IA-B - A. + .B] Bond AH kJ/mol (kcal/mol) Bond AH kJ/mol kcal/mol) 456 569 431 H-Z bonds H-F H-CI H-Br H-1 Н-ОН (136) (103) (88) 368 297 498 (71)...
This question has multiple parts. Work all the parts to get the most points. 242 Table...
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...
This question has multiple parts. Work all the parts to get the most points. C-H bond...
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...
C-H bond BDE (kJ/mol) CH3-H 439 C2H:-H 422 (CH3)2 CH-H 414 (CH3)3 C-H 405 Table of...
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...
This question has multiple parts. Work all the parts to get the most points. 1 pt...
This question has multiple parts. Work all the parts to get the most points. 1 pt 1 pt 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-I 242 1 151 CH-H 422 CH3-1 238 HI 297 (CH3)2 CH-H 414 (CH), CH-I 238 (CH3),C-H 405 (CH),C-I 234 CH3 CH3CCH2CH3 CH3 CH3CHCH2CH3 HI Using the table of bond dissociation energies in the first part of this question: Calculate AH...
Problem #3 Calculate AH° for the following reaction using the bond energies found in Table 6.1...
Problem #3 Calculate AH° for the following reaction using the bond energies found in Table 6.1 on page 228. Is this reaction spontaneous? (CH3)3C-H + 12 (CH3)3C-1 + HI TABLE 6.1 BOND DISSOCIATION ENERGIES (AH) OF COMMON BONDS KJ/MOL KCAL/MOL H2C=CH-CH3 HC-C-CH KJ/MOL KCAL/MOL 385 92 489117 KJ/MOL KCAL/MOL 444 106 335 80 285 Bonds to H. H-H H-CH3 H-CH2CH3 H-CH(CH3)2 H-C(CH3)3 (CH3)2CH-F (CH3)2CH-CI (CH3)2CH-Br (CH3)2CH- (CH3)2CH-OH 68 222 435 104 435 104 41098 39795 91 473 113 53 381...
2. Estimate AH for the reaction below using bond enthalpies: (10 pts) CH2=CH-CH=CH2 + HCI →...
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
2). Consider the following intramolecular S2 reaction. no ♡ + HI A) (5 pts) Use the...
2). Consider the following intramolecular S2 reaction. no ♡ + HI A) (5 pts) Use the table of Bond Dissociation Enthalpies (at the back of the exam) to calculate the approximate ΔΗπη. B) (3 pts) Is the reaction endothermic or exothermic? Why? C) (6 pts) Draw the Reaction Energy Coordinate Diagram. Label the axes, reactant(s), product(s), transition state(s), intermediate(s), activation energy, and reaction enthalpy. D) (3 pts) In regards to entropy, would you expect the reaction to be favorable, or...
H2C=CH2 + CI H2C=CH + HCI Use the table of bond dissociation energies above to calculate AH for this reaction, the first step in the free radical chlorination of ethene. Table of Bond Dissociation Enthalpies Bond BDE (kJ/mol) H2C=CH-H 464 H-I 297 H-Br 368 H-C1 431 H-F 568 ΔΗ: kJ/mol This reaction is:
Bond Dissociation Energies (for A-B Bond broken AH, kJ/mol Bond broken → A A4, kJ/mol + B) Bond broken mo H-H CH3CH2CH2-H (CH3)2CH-H (CH3)3C-H 436 423 413 400. H-Br 366 CH3CH2CH2-Br 294 (CH3)2CH-Br 298 (CH3)3C-Br292 Br-Br 193 H-CI 432 CH3CH2CH2-CI 354 (CH3)2CH-CI 355 (CH3)3C-CI 349 CI-CI 243 Alkane halogenation is a two-step reaction, as shown below. Using the table of bond dissociation energies, calculate the enthalpy of each step and the enthalpy of the overall reaction. Step 1: Number CH3CHCH3...
1. Calculate AH for each reaction using bond dissociation values. Determine if the reaction is exothermic or endothermic a. CH3CH2CH3 + Br2 — CHșCH,CH,-Br + HBr ОН + H₂O + HI 498 297 aaa 720 - 698 - 22 401 andiotamie Table 6.2 Bond Dissociation Energies for Some Common Bonds IA-B - A. + .B] Bond AH kJ/mol (kcal/mol) Bond AH kJ/mol kcal/mol) 456 569 431 H-Z bonds H-F H-CI H-Br H-1 Н-ОН (136) (103) (88) 368 297 498 (71)...
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...
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...
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...
This question has multiple parts. Work all the parts to get the most points. 1 pt 1 pt 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-I 242 1 151 CH-H 422 CH3-1 238 HI 297 (CH3)2 CH-H 414 (CH), CH-I 238 (CH3),C-H 405 (CH),C-I 234 CH3 CH3CCH2CH3 CH3 CH3CHCH2CH3 HI Using the table of bond dissociation energies in the first part of this question: Calculate AH...
Problem #3 Calculate AH° for the following reaction using the bond energies found in Table 6.1 on page 228. Is this reaction spontaneous? (CH3)3C-H + 12 (CH3)3C-1 + HI TABLE 6.1 BOND DISSOCIATION ENERGIES (AH) OF COMMON BONDS KJ/MOL KCAL/MOL H2C=CH-CH3 HC-C-CH KJ/MOL KCAL/MOL 385 92 489117 KJ/MOL KCAL/MOL 444 106 335 80 285 Bonds to H. H-H H-CH3 H-CH2CH3 H-CH(CH3)2 H-C(CH3)3 (CH3)2CH-F (CH3)2CH-CI (CH3)2CH-Br (CH3)2CH- (CH3)2CH-OH 68 222 435 104 435 104 41098 39795 91 473 113 53 381...
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
2). Consider the following intramolecular S2 reaction. no ♡ + HI A) (5 pts) Use the table of Bond Dissociation Enthalpies (at the back of the exam) to calculate the approximate ΔΗπη. B) (3 pts) Is the reaction endothermic or exothermic? Why? C) (6 pts) Draw the Reaction Energy Coordinate Diagram. Label the axes, reactant(s), product(s), transition state(s), intermediate(s), activation energy, and reaction enthalpy. D) (3 pts) In regards to entropy, would you expect the reaction to be favorable, or...
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