Homework Answers
In multi step reaction every step is considered as an elementary step and order of the reaction of that particular step is equal to molecularity of that step.And slow step is rate determining step.
In case of intermediate is present in rate law then Study state approximation (SSA) is applied.
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Determine the rate equation for the following multistep reactions. wered of 2.00 stion a. NO, +...
16. For the overall reaction which of the following mechanisms is consistent with the rate equation...
16. For the overall reaction which of the following mechanisms is consistent with the rate equation below? rate = k[A] [B]2 a. 2A + B →I (fast) I + B → C + A (slow) A + B → 1 (slow) 1 + B → C (fast) 2B → 1 (slow) A + 1 → C (fast) 2B→1(fast) 1 + A → C (slow) A + 2B → 1 (fast) 1 + B → C + B (slow) b, d....
What is the correct sequence of reactions that can achieve the following multistep transformation? List in...
What is the correct sequence of reactions that can achieve the
following multistep transformation?
List in the correct order. (No spaces nor commas in between
letters) eg: GAKJO
☺ > REAGENTS A Br2 B TosCl, pyr CHOH SO, cat DO Na 1 MeBr 2. EtBr 3. NaNH 1 eq E 1. OsO4 2. NaHSO3 F NaNHExcess GHO H NBS, hv I HBr ROOR L HBr M NaOtBu N NaOEt O NaoMe PETOH, H+ Cat Q NaCN RH, Lindlar's SH, Pt...
17. Which of the following statements is true? A) Rate equations that contain concentration terms includes...
17. Which of the following statements is true? A) Rate equations that contain concentration terms includes all reactants involved in a multi-step reaction. B) Rate equations that contain concentration terms includes all reactants involved in a one-step mechanism. C) Fast reactions have small rate constants and small activation energies. D) Slow reactions have large rate constants and small activation energies. E) The rate of the reaction is never affected by the energy of intermediates. 18. Which of the following makes...
For the following reactions, determine E°, ΔG°, and K, given the balanced half reactions and the...
For the following reactions, determine E°, ΔG°, and K, given the balanced half reactions and the standard reduction potentials. Also, determine if the reaction is spontaneous as written. A) 2 Co3++ H3AsO3+ H2O 2 Co2++ H3AsO4+ 2H+ Co3++ e- Co2+ E°= 1.920 V H3AsO4+ 2H++ 2 e-H3AsO3+ H2O E°= 0.575 V Answer: (E° = 1.345 V; K = 2.95 x 1045; ΔG° = -2.60 x 105J; spontaneous) B) 4 Fe3++ 2 H2O 4Fe2++ O2+ 4 H+ Fe3++ e- Fe2+ E°= 0.771 V ½ O2+ 2...
intended to be a wered by estima . 1. Arrange the following in order of increasing...
intended to be a wered by estima . 1. Arrange the following in order of increasing absolute entropy at 298 K: Hect). Hg(s). C6H6(1). CH3CH3(1) a. Hel). Hg(s). CGHSCH3(1). C6H6(1) b. He(s). Hel). CHECH3(1). C6H6(1) c. C6H6(1). CH3CH3(I). Hg(s). Hg(1) d. CH CH3(1). CH6(). Hg(t). Hg(s) e. He(s). Hg(1), C6H6(). CHSCH 3(1) 2. Which of the following processes would be expected to have a positive AS value? a. 2 H2(g) + O2(g) → 2H2() b. H2(g) → H20(1) c. CO(g)...
12. Label the following reactions as El or E2 * 01 - 0 a . CH...
12. Label the following reactions as El or E2 * 01 - 0 a . CH CH -- A. A =E1; B=E2 B.A=E1; B=E1 C. A E2: B-EI D. A=E2; B-E2 13. Consider the following exothermic E2 reaction. What rate equation would be observed for this reaction CH, CH CH I + KOC(CH3), CH CH CH2 + KI A. rate k[CHCH:CH-1) B. rate=k[CH,CH:CH:1][K OC(CH.)s] C. rate - [CH,CH:CH=1][K OC(CH);]* D. rate=k[CH,CH:CH-1)^[K OC(CH.):] E. There is not enough information given to...
question 12 & 13 12. The following reaction is second order in respect to CH3COOCH3. The...
question 12 & 13
12. The following reaction is second order in respect to CH3COOCH3. The rate constant is 2.0 X 103 L/(mol s), what is the concentration of the CH3COOCH3 after 4 minutes if the initial concentration of CH3COOCH3 is 0.25 M? CH3COOCH3 OH CH3COOCH3OH o inao si odool ni 00 o otil-lipd & aart noisassno shoo Aa noitbe 0 PJE (slow) 20 13. Hydrogen peroxide and iodide ion react in the following steps. H2O2 (aq) I' (aq) I0...
9. For second-order reactions the slope of a plot of 1A versus time is b. KTA...
9. For second-order reactions the slope of a plot of 1A versus time is b. KTA kt ch 10. If the reaction 2A + 3D products is first order in A and second-order in D. then the rate law will have the form rate- a. K[ALDI KADC KIAFDd. KIAD 11. In the first-order reaction products, the initial concentration of AIN 1.56 M and the concentration is 0.869 M after 48.0 min. What is the value of the route constant, k....
CALCULATING AS FOR REACTIONS (Math) 5. Determine AS for Hz(x) +13(g) 5 2HI(e) given the following...
CALCULATING AS FOR REACTIONS (Math) 5. Determine AS for Hz(x) +13(g) 5 2HI(e) given the following information. Substance S (J/mol K) Hz(8) 130.58 1:(8) 116.73 HI(g) 206.3 d. a 41.10 J/mol - K b.-165.29 J/mol - K c. +398.75 J/mol K +165.29 J/mol - K 41.10 J/mol - K CHEM 104 6. What is the standard entropy change when 10.0 g of methane reacts with 10.0 g of oxygen? CH_(g) + 20:(g) - CO:(g) + 2H,00 Substance Sº (J/mol ·...
Given the following data for the following hypothetical reaction, determine the activation energy. You may upload...
Given the following data for the following hypothetical reaction, determine the activation energy. You may upload a graph. ered 2.00 Experiment Temperature (°C) tion 10 Rate Constant k (M/s) 1.53 x 10-6 6.14 x 10-6 1.48 x 10-5 4.15 x 10-5 1.21 x 10-4 20 30 40 50 EP U S x x 44 B I AD 3 3 va 12 T ©
16. For the overall reaction which of the following mechanisms is consistent with the rate equation below? rate = k[A] [B]2 a. 2A + B →I (fast) I + B → C + A (slow) A + B → 1 (slow) 1 + B → C (fast) 2B → 1 (slow) A + 1 → C (fast) 2B→1(fast) 1 + A → C (slow) A + 2B → 1 (fast) 1 + B → C + B (slow) b, d....
What is the correct sequence of reactions that can achieve the
following multistep transformation?
List in the correct order. (No spaces nor commas in between
letters) eg: GAKJO
☺ > REAGENTS A Br2 B TosCl, pyr CHOH SO, cat DO Na 1 MeBr 2. EtBr 3. NaNH 1 eq E 1. OsO4 2. NaHSO3 F NaNHExcess GHO H NBS, hv I HBr ROOR L HBr M NaOtBu N NaOEt O NaoMe PETOH, H+ Cat Q NaCN RH, Lindlar's SH, Pt...
17. Which of the following statements is true? A) Rate equations that contain concentration terms includes all reactants involved in a multi-step reaction. B) Rate equations that contain concentration terms includes all reactants involved in a one-step mechanism. C) Fast reactions have small rate constants and small activation energies. D) Slow reactions have large rate constants and small activation energies. E) The rate of the reaction is never affected by the energy of intermediates. 18. Which of the following makes...
intended to be a wered by estima . 1. Arrange the following in order of increasing absolute entropy at 298 K: Hect). Hg(s). C6H6(1). CH3CH3(1) a. Hel). Hg(s). CGHSCH3(1). C6H6(1) b. He(s). Hel). CHECH3(1). C6H6(1) c. C6H6(1). CH3CH3(I). Hg(s). Hg(1) d. CH CH3(1). CH6(). Hg(t). Hg(s) e. He(s). Hg(1), C6H6(). CHSCH 3(1) 2. Which of the following processes would be expected to have a positive AS value? a. 2 H2(g) + O2(g) → 2H2() b. H2(g) → H20(1) c. CO(g)...
12. Label the following reactions as El or E2 * 01 - 0 a . CH CH -- A. A =E1; B=E2 B.A=E1; B=E1 C. A E2: B-EI D. A=E2; B-E2 13. Consider the following exothermic E2 reaction. What rate equation would be observed for this reaction CH, CH CH I + KOC(CH3), CH CH CH2 + KI A. rate k[CHCH:CH-1) B. rate=k[CH,CH:CH:1][K OC(CH.)s] C. rate - [CH,CH:CH=1][K OC(CH);]* D. rate=k[CH,CH:CH-1)^[K OC(CH.):] E. There is not enough information given to...
question 12 & 13
12. The following reaction is second order in respect to CH3COOCH3. The rate constant is 2.0 X 103 L/(mol s), what is the concentration of the CH3COOCH3 after 4 minutes if the initial concentration of CH3COOCH3 is 0.25 M? CH3COOCH3 OH CH3COOCH3OH o inao si odool ni 00 o otil-lipd & aart noisassno shoo Aa noitbe 0 PJE (slow) 20 13. Hydrogen peroxide and iodide ion react in the following steps. H2O2 (aq) I' (aq) I0...
9. For second-order reactions the slope of a plot of 1A versus time is b. KTA kt ch 10. If the reaction 2A + 3D products is first order in A and second-order in D. then the rate law will have the form rate- a. K[ALDI KADC KIAFDd. KIAD 11. In the first-order reaction products, the initial concentration of AIN 1.56 M and the concentration is 0.869 M after 48.0 min. What is the value of the route constant, k....
CALCULATING AS FOR REACTIONS (Math) 5. Determine AS for Hz(x) +13(g) 5 2HI(e) given the following information. Substance S (J/mol K) Hz(8) 130.58 1:(8) 116.73 HI(g) 206.3 d. a 41.10 J/mol - K b.-165.29 J/mol - K c. +398.75 J/mol K +165.29 J/mol - K 41.10 J/mol - K CHEM 104 6. What is the standard entropy change when 10.0 g of methane reacts with 10.0 g of oxygen? CH_(g) + 20:(g) - CO:(g) + 2H,00 Substance Sº (J/mol ·...
Given the following data for the following hypothetical reaction, determine the activation energy. You may upload a graph. ered 2.00 Experiment Temperature (°C) tion 10 Rate Constant k (M/s) 1.53 x 10-6 6.14 x 10-6 1.48 x 10-5 4.15 x 10-5 1.21 x 10-4 20 30 40 50 EP U S x x 44 B I AD 3 3 va 12 T ©
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