What is the ∆H° for the
reaction in kcal/mole?
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What is the ∆H° for the
reaction in kcal/mole?
QUESTION 4 What is the AH for...
What is the AH° for the reaction in kcal/mole? CH3 H2C- C-OH + HBr – -...
What is the AH° for the reaction in kcal/mole? CH3 H2C- C-OH + HBr – - H3C—¢-Br + H2O CH3 BDE in kcal/mole H-Br = 87.6 3° C-Br = 63 3° C-OH = 92 H-OH = 119
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...
Problem of the Day 18 1. (10 pts) Consider the following reaction: Br HBO a. Estimate AH for this reaction (use ta...
Problem of the Day 18 1. (10 pts) Consider the following reaction: Br HBO a. Estimate AH for this reaction (use table 6.1 in your textbook) b. Is AS for this reaction positive or negative? Explain. C. Determine if AG is positive or negative. d. Is the sign of AG (positive or negative) dependent on temperature? Why? TABLE 6.1 BOND DISSOCIATION ENERGIES (AH) OF COMMON BONDS KJ/MOL KCAL/MOL KI/MOL KCAUMO Bonds to H H2C=CH-CH3 HC=C-CH3 KJ/MOL KCAL/MOL 385 92 489...
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)...
Problem of the Day 18 1. (10 pts) Consider the following reaction: TO + HBr a....
Problem of the Day 18 1. (10 pts) Consider the following reaction: TO + HBr a. Estimate AH for this reaction (use table 6.1 in your textbook) b. Is AS for this reaction positive or negative? Explain. C. Determine if AG is positive or negative. d. Is the sign of AG (positive or negative) dependent on temperature? Why? TABLE 6.1 BOND DISSOCIATION ENERGIES (AH) OF COMMON BONDS KJ/MOL KCAL/MOL KI/MOL KCAUMO Bonds to H H2C=CH-CH3 HCC-CH3 KJ/MOL KCAL/MOL 385 92...
TABLE 6.1 BOND DISSOCIATION ENERGIES (A) OF COMMON BONDS KJ/MOL KCAL/MOL Bonds to H H2C=CH-CH2 HCC-CH,...
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...
Using the table of bond dissociation enthalpies, calculate AH° for the reaction A. (Use the entries...
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...
Please do this step by step!! PROBLEM 4.16 The bromination of methane proceeds through the following...
Please do this step by step!!
PROBLEM 4.16 The bromination of methane proceeds through the following steps: AH® (per mole) E (per mole) Br2 h, 2 Br +192 kJ (46 kcal) 192 kJ (46 kcal) CH4 + Br − CH3 + HBr 67 kJ (16 kcal) 75 kJ (18 kcal) -CH3 + Br2 → CH BrBr: -101 kJ (-24 kcal) 4kJ (1 kcal) (a) Draw a complete reaction-energy diagram for this reaction. (b) Label the rate-limiting step. (c) Draw the...
4. Calculate AH reaction. Express in units of kJ/mole H, 5. What is the AH value...
4. Calculate AH reaction. Express in units of kJ/mole H, 5. What is the AH value of the reverse reaction? Reading Question (Refer to Introduction section before answering the question): A student performs a coffee cup calorimetry lab similar to the one you will be performing. An acid solution is mixed with a basic solution and the temperature change is recorded. The student calculates the following: solution(surroundings) = 4011 J What is the value of qreaction(system)? Using the same procedure...
What is the product of the following reaction? — н ннн н-с-с-С=С + H2O H,SO, Hн...
What is the product of the following reaction? — н ннн н-с-с-С=С + H2O H,SO, Hн Hн ОН ОН ОН ОН What is the major product formed in the following reaction? сна 3 сні H,SO, Heat нас он 86 39 — 42 45 ОН ОН What product is formed in the following reaction? CH3 H3C-C-OH [O] CH3 No Reaction What product forms in the following reaction? 30 > 33 + HBT ✓ 36 Ono reaction 39 Br 42 45 Br...
What is the AH° for the reaction in kcal/mole? CH3 H2C- C-OH + HBr – - H3C—¢-Br + H2O CH3 BDE in kcal/mole H-Br = 87.6 3° C-Br = 63 3° C-OH = 92 H-OH = 119
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...
Problem of the Day 18 1. (10 pts) Consider the following reaction: Br HBO a. Estimate AH for this reaction (use table 6.1 in your textbook) b. Is AS for this reaction positive or negative? Explain. C. Determine if AG is positive or negative. d. Is the sign of AG (positive or negative) dependent on temperature? Why? TABLE 6.1 BOND DISSOCIATION ENERGIES (AH) OF COMMON BONDS KJ/MOL KCAL/MOL KI/MOL KCAUMO Bonds to H H2C=CH-CH3 HC=C-CH3 KJ/MOL KCAL/MOL 385 92 489...
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)...
Problem of the Day 18 1. (10 pts) Consider the following reaction: TO + HBr a. Estimate AH for this reaction (use table 6.1 in your textbook) b. Is AS for this reaction positive or negative? Explain. C. Determine if AG is positive or negative. d. Is the sign of AG (positive or negative) dependent on temperature? Why? TABLE 6.1 BOND DISSOCIATION ENERGIES (AH) OF COMMON BONDS KJ/MOL KCAL/MOL KI/MOL KCAUMO Bonds to H H2C=CH-CH3 HCC-CH3 KJ/MOL KCAL/MOL 385 92...
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...
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...
Please do this step by step!!
PROBLEM 4.16 The bromination of methane proceeds through the following steps: AH® (per mole) E (per mole) Br2 h, 2 Br +192 kJ (46 kcal) 192 kJ (46 kcal) CH4 + Br − CH3 + HBr 67 kJ (16 kcal) 75 kJ (18 kcal) -CH3 + Br2 → CH BrBr: -101 kJ (-24 kcal) 4kJ (1 kcal) (a) Draw a complete reaction-energy diagram for this reaction. (b) Label the rate-limiting step. (c) Draw the...
4. Calculate AH reaction. Express in units of kJ/mole H, 5. What is the AH value of the reverse reaction? Reading Question (Refer to Introduction section before answering the question): A student performs a coffee cup calorimetry lab similar to the one you will be performing. An acid solution is mixed with a basic solution and the temperature change is recorded. The student calculates the following: solution(surroundings) = 4011 J What is the value of qreaction(system)? Using the same procedure...
What is the product of the following reaction? — н ннн н-с-с-С=С + H2O H,SO, Hн Hн ОН ОН ОН ОН What is the major product formed in the following reaction? сна 3 сні H,SO, Heat нас он 86 39 — 42 45 ОН ОН What product is formed in the following reaction? CH3 H3C-C-OH [O] CH3 No Reaction What product forms in the following reaction? 30 > 33 + HBT ✓ 36 Ono reaction 39 Br 42 45 Br...
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