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There are compounds D and compound E that react to form compound F in a one-to-one...
When a graph of energy vs, reaction progress was graphed for the reaction A + B...
When a graph of energy vs, reaction progress was graphed for the reaction A + B rightarrow C + D, the following data was obtained: a) Draw a rough sketch of what this activation energy diagram looks like. Make sure axes and points are labeled appropriately. B) What is the numerical value of the activation energy obtained from the graph? c) Are reactants or products more stable? d) Is the reaction endothermic or exothermic? Explain. d) On the graph you...
4. (22 pts) Consider the following exothermic reaction: H2O2 +2t + 2H' → 12 + 2H20...
4. (22 pts) Consider the following exothermic reaction: H2O2 +2t + 2H' → 12 + 2H20 Consider the following mechanism for this reaction H,02 + r-* Hol + OH' Hol + r- 12 + он. 20H 2H2 H20 slow fast fast a) What species are intermediates in the above mechanism? Any catalysts? b) Sketch an energy versus reaction progress plot for the three step mechanism and clearly label the rate determining step in your diagram. c) What rate law would...
B ka 4. If A reacts according to A kry B -(kirkalt with [A] - [A]...
B ka 4. If A reacts according to A kry B -(kirkalt with [A] - [A] show that [ B] ki [c] kz 5. if a reaction obeys nth order rate law, show that n- 2 k (n-1) [ A]" tuz nel 6. For the reaction 2N₂O 4 NO₂ + O2 it is found that rate sonstant (k) doubles from 22.5°C to 27.5°C. Find Activation energy E. 7. For the above reaction find the rate law for the mechanism ko...
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03...
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03 → No, (fast) NOs + NOs → N20s + 5/202 (slow) Mechanism 2 NO2 + 03 → NO3 + 02 (slow) No, + NO2 → N20s (fast) If the reaction rate law is found to be: rate = k[NO21 Which mechanism is consistent with this rate law (1 or 2) What is/are the intermediate/s for Mechanism 1? What is/are the intermediate/s for Mechanism 2?...
8. (20 points) Consider the following mechanism, with the accompanying energy diagram, which has been suggested...
8. (20 points) Consider the following mechanism, with the accompanying energy diagram, which has been suggested for the following overall reaction in the presence of a Cl catalyst: 03 +0 202 Step 1: Step 2: 03 + Cl → OCl + O2 OCl + 0 + 02 + Cl +---Ea, Energy - - - - AHrxn --- - Reaction progress- A. Based on the energy diagram, which step is rate limiting? Which step is the fastest? (4 Points) B. Identify...
Can you please answer the following questions? The rate constant, k for the reaction below A...
Can you please answer the following questions?
The rate constant, k for the reaction below A - Products is 2.8 x 10 sat 80°C. If the initial concentration of A is 0.25M, what is the concentration after 50 s? The oxidation reaction of thallium (I) by cerium (IV) is believed to occur via three steps. The rate low for the reaction is: rate = k[Ce [Mn2") ce". Mne - Cen ! ce". Mn. Cell. Mn TI". Mn* - TI. Mn?...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following mechanism has been suggested. H2O2+1 - HOI + OH - slow OH + H H20 fast HỘI + H+ + + I2 + H2O fast Identify all intermediates included in this mechanism. A) H and I D) Honly B) H and HOI E) H20 and OH C) HOI and OH 9. Which of the following statements is false? A) A catalyst increases the rate...
6. A first-order reaction is 45% complete at the end of 35 minutes. What is the...
6. A first-order reaction is 45% complete at the end of 35 minutes. What is the half-life (in minutes) for this reaction? (20 points) 7. Answer questions regarding the following mechanism: (20 points) Slow 0; (g) + NO (9) NO2 (g) + O2 (g) NO2 (g) + O (g) → NO (g) + O2 (g) Fast a. What is the catalyst? b. What is the intermediate? c. What is the overall reaction? d. What is the overall rate law, if...
Problem 2) Experimentally, the reaction between compound A and iodine (l): A(aq) + 12(aq) - D(aq)...
Problem 2) Experimentally, the reaction between compound A and iodine (l): A(aq) + 12(aq) - D(aq) + Hl(aq) is 1st order with respect to A, first order with respect to H+, and zero-th order with respect to lz. The following mechanism has been proposed: Step 1. A(aq) + H+(aq) + HA+(aq) Step 2. HA+(aq) → B(aq) + H+ (aq) Step 3. B(aq) + 12(aq) → D(aq) + Hl(aq) Find the rate law for the reaction if a) the second step...
Describe the relationship of activation energy with rate of reaction and the effect a catalyst has...
Describe the relationship of activation energy with rate of reaction and the effect a catalyst has on the activation energy. Name two other ways to speed up a reaction besides using a catalyst. 4. 5. Consider the following mechanism for a reaction: No,CNO, + Cl (slow) No,CI+C->NO, +CIh (fast) (a) Write the net reaction and identify any intermediates (b) Derive the rate law for the reaction.
When a graph of energy vs, reaction progress was graphed for the reaction A + B rightarrow C + D, the following data was obtained: a) Draw a rough sketch of what this activation energy diagram looks like. Make sure axes and points are labeled appropriately. B) What is the numerical value of the activation energy obtained from the graph? c) Are reactants or products more stable? d) Is the reaction endothermic or exothermic? Explain. d) On the graph you...
4. (22 pts) Consider the following exothermic reaction: H2O2 +2t + 2H' → 12 + 2H20 Consider the following mechanism for this reaction H,02 + r-* Hol + OH' Hol + r- 12 + он. 20H 2H2 H20 slow fast fast a) What species are intermediates in the above mechanism? Any catalysts? b) Sketch an energy versus reaction progress plot for the three step mechanism and clearly label the rate determining step in your diagram. c) What rate law would...
B ka 4. If A reacts according to A kry B -(kirkalt with [A] - [A] show that [ B] ki [c] kz 5. if a reaction obeys nth order rate law, show that n- 2 k (n-1) [ A]" tuz nel 6. For the reaction 2N₂O 4 NO₂ + O2 it is found that rate sonstant (k) doubles from 22.5°C to 27.5°C. Find Activation energy E. 7. For the above reaction find the rate law for the mechanism ko...
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03 → No, (fast) NOs + NOs → N20s + 5/202 (slow) Mechanism 2 NO2 + 03 → NO3 + 02 (slow) No, + NO2 → N20s (fast) If the reaction rate law is found to be: rate = k[NO21 Which mechanism is consistent with this rate law (1 or 2) What is/are the intermediate/s for Mechanism 1? What is/are the intermediate/s for Mechanism 2?...
8. (20 points) Consider the following mechanism, with the accompanying energy diagram, which has been suggested for the following overall reaction in the presence of a Cl catalyst: 03 +0 202 Step 1: Step 2: 03 + Cl → OCl + O2 OCl + 0 + 02 + Cl +---Ea, Energy - - - - AHrxn --- - Reaction progress- A. Based on the energy diagram, which step is rate limiting? Which step is the fastest? (4 Points) B. Identify...
Can you please answer the following questions?
The rate constant, k for the reaction below A - Products is 2.8 x 10 sat 80°C. If the initial concentration of A is 0.25M, what is the concentration after 50 s? The oxidation reaction of thallium (I) by cerium (IV) is believed to occur via three steps. The rate low for the reaction is: rate = k[Ce [Mn2") ce". Mne - Cen ! ce". Mn. Cell. Mn TI". Mn* - TI. Mn?...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following mechanism has been suggested. H2O2+1 - HOI + OH - slow OH + H H20 fast HỘI + H+ + + I2 + H2O fast Identify all intermediates included in this mechanism. A) H and I D) Honly B) H and HOI E) H20 and OH C) HOI and OH 9. Which of the following statements is false? A) A catalyst increases the rate...
6. A first-order reaction is 45% complete at the end of 35 minutes. What is the half-life (in minutes) for this reaction? (20 points) 7. Answer questions regarding the following mechanism: (20 points) Slow 0; (g) + NO (9) NO2 (g) + O2 (g) NO2 (g) + O (g) → NO (g) + O2 (g) Fast a. What is the catalyst? b. What is the intermediate? c. What is the overall reaction? d. What is the overall rate law, if...
Problem 2) Experimentally, the reaction between compound A and iodine (l): A(aq) + 12(aq) - D(aq) + Hl(aq) is 1st order with respect to A, first order with respect to H+, and zero-th order with respect to lz. The following mechanism has been proposed: Step 1. A(aq) + H+(aq) + HA+(aq) Step 2. HA+(aq) → B(aq) + H+ (aq) Step 3. B(aq) + 12(aq) → D(aq) + Hl(aq) Find the rate law for the reaction if a) the second step...
Describe the relationship of activation energy with rate of reaction and the effect a catalyst has on the activation energy. Name two other ways to speed up a reaction besides using a catalyst. 4. 5. Consider the following mechanism for a reaction: No,CNO, + Cl (slow) No,CI+C->NO, +CIh (fast) (a) Write the net reaction and identify any intermediates (b) Derive the rate law for the reaction.
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