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Question 10 Select the true statement. O O O O The rate-determining step in a reaction...
undigement. QUESTION 17 What is the rate-determining step in the following reaction? HCI O a. proton...
undigement. QUESTION 17 What is the rate-determining step in the following reaction? HCI O a. proton transfer b. coordination oc nucleophilic addition d. bimolecular nucleophilic substitution O e. electrophilic addition - S
Question #5 Here are the relevant data to determine the activation energy of the reaction. Rate...
Question #5 Here are the relevant data to determine the activation energy of the reaction. Rate constant (units not shown) Temperature (K) .13 293 0.11 308 Use the data above to determine the activation energy of the reaction? 83 kJ/mol Submit This value is not correct. Please check your calculations and try again. Question #6 Here are your data for trial of Lab 7 (the trial at room temperature without the catalyst): [103 initial (S203 initial Initial Rate .0023 M...
Question 4 Which is NOT true of a free energy diagram for an E1 reaction? o...
Question 4 Which is NOT true of a free energy diagram for an E1 reaction? o It proceed through a carbocation intermediate. O The first step is electrophilic elimination. O It includes two transition states. O It begins with a rate determining step.
Question 4 of 10 For a reaction that proceeds by the following two-step mechanism A2 =2A...
Question 4 of 10 For a reaction that proceeds by the following two-step mechanism A2 =2A (fast) A+B-C (slow) Which of the following statements is/are correct? 1) The reaction is first order in the concentration of Az. 2) B is a reaction intermediate. 3) The rate-determining step is bimolecular. 4) The units of the specific rate constant are mol1/2_-1/2-1 O A. 1 & 3 only B. 2 only C. 3 only OD. 1 & 4 only O E.2 & 3...
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...
1. For each reaction below, draw the reaction mechanism for the rate determining step. On the...
1. For each reaction below, draw the reaction mechanism for the rate determining step. On the Starting structures, draw all appropriate arrows to indicate the flow of electrons. Fill in the box above the arrows with the reaction mechanism as SN1 or SN2. Draw the first key transition state and product(s). Use dotted lines to indicate bonds that are in the process of being broken or made. Write all formal charges. O н,с CI: Transition State н,с CH н— осн,...
3. Look at Figure 16.22 (p.727), the reaction energy diagrams for the two step reactions of...
3. Look at Figure 16.22 (p.727), the reaction energy diagrams for the two step reactions of a) NO, and F, and b) NO and O2 Write down the mechanisms for both reactions, and these mechanisms based on the corresponding reaction energy diagrams. IMG_0338.jpg v Q Search Depicting a Multistep Mechanism with a Reaction Energy Diagram Figu re 16.22 shows reaction energy diagrams for two reactions, each of which has a two-step mechanism, shown below the diagram. The reaction of NO,...
QUESTION 10 A proposed mechanism for the decomposition of ozone in the atmosphere is: Step 1:...
QUESTION 10 A proposed mechanism for the decomposition of ozone in the atmosphere is: Step 1: 03(g) + hvO(g) + O2(g) (fast) Step 2: O(g) + O2(g) +202() (slow) What is the molecularity of the rate-determining step? unimolecular bimolecular zeromolecular More information is needed. termolecular QUESTION 11 At a certain temperature the equilibrium equals 0.11 for the reaction: 2 ICI(g) =12(g) + Cl2(g). What is the equilibrium concentration of Cl2 if 2.78 mol of 12 and 2.78 mol of Cl2...
helpp 3. For the hypothetical reaction A+B → C the following rate data (with and without...
helpp
3. For the hypothetical reaction A+B → C the following rate data (with and without catalyst) were obtained: Rate, M/s Rate, M/s ALM B., Muncatalyzed) (catalyzed) 0.100 0.200 3.51 x 10 7.14 x 10 0.100 0.100 1.75 x 10 7.14 x 10 0.0500 0.200 1.76 x 10 3.57 x 10 0.0500 0.100 8.80 x 10 3.57 x 10 Based on these data: a. Determine the uncatalyzed and catalyzed rate laws for this reaction, and the corresponding rate constants. (16...
Question 1 2 pts How does a noncompetitive inhibitor decrease the rate of an enzyme-catalyzed reaction?...
Question 1 2 pts How does a noncompetitive inhibitor decrease the rate of an enzyme-catalyzed reaction? by decreasing the free-energy change of the reaction catalyzed by the enzyme by binding to an allosteric site, thus changing the shape of the active site of the enzyme by binding to the active site of the enzyme, thus preventing binding of the normal substrate by binding to the substrate, thus changing its shape so that it no longer binds to the active site...
undigement. QUESTION 17 What is the rate-determining step in the following reaction? HCI O a. proton transfer b. coordination oc nucleophilic addition d. bimolecular nucleophilic substitution O e. electrophilic addition - S
Question #5 Here are the relevant data to determine the activation energy of the reaction. Rate constant (units not shown) Temperature (K) .13 293 0.11 308 Use the data above to determine the activation energy of the reaction? 83 kJ/mol Submit This value is not correct. Please check your calculations and try again. Question #6 Here are your data for trial of Lab 7 (the trial at room temperature without the catalyst): [103 initial (S203 initial Initial Rate .0023 M...
Question 4 Which is NOT true of a free energy diagram for an E1 reaction? o It proceed through a carbocation intermediate. O The first step is electrophilic elimination. O It includes two transition states. O It begins with a rate determining step.
Question 4 of 10 For a reaction that proceeds by the following two-step mechanism A2 =2A (fast) A+B-C (slow) Which of the following statements is/are correct? 1) The reaction is first order in the concentration of Az. 2) B is a reaction intermediate. 3) The rate-determining step is bimolecular. 4) The units of the specific rate constant are mol1/2_-1/2-1 O A. 1 & 3 only B. 2 only C. 3 only OD. 1 & 4 only O E.2 & 3...
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...
1. For each reaction below, draw the reaction mechanism for the rate determining step. On the Starting structures, draw all appropriate arrows to indicate the flow of electrons. Fill in the box above the arrows with the reaction mechanism as SN1 or SN2. Draw the first key transition state and product(s). Use dotted lines to indicate bonds that are in the process of being broken or made. Write all formal charges. O н,с CI: Transition State н,с CH н— осн,...
3. Look at Figure 16.22 (p.727), the reaction energy diagrams for the two step reactions of a) NO, and F, and b) NO and O2 Write down the mechanisms for both reactions, and these mechanisms based on the corresponding reaction energy diagrams. IMG_0338.jpg v Q Search Depicting a Multistep Mechanism with a Reaction Energy Diagram Figu re 16.22 shows reaction energy diagrams for two reactions, each of which has a two-step mechanism, shown below the diagram. The reaction of NO,...
QUESTION 10 A proposed mechanism for the decomposition of ozone in the atmosphere is: Step 1: 03(g) + hvO(g) + O2(g) (fast) Step 2: O(g) + O2(g) +202() (slow) What is the molecularity of the rate-determining step? unimolecular bimolecular zeromolecular More information is needed. termolecular QUESTION 11 At a certain temperature the equilibrium equals 0.11 for the reaction: 2 ICI(g) =12(g) + Cl2(g). What is the equilibrium concentration of Cl2 if 2.78 mol of 12 and 2.78 mol of Cl2...
helpp
3. For the hypothetical reaction A+B → C the following rate data (with and without catalyst) were obtained: Rate, M/s Rate, M/s ALM B., Muncatalyzed) (catalyzed) 0.100 0.200 3.51 x 10 7.14 x 10 0.100 0.100 1.75 x 10 7.14 x 10 0.0500 0.200 1.76 x 10 3.57 x 10 0.0500 0.100 8.80 x 10 3.57 x 10 Based on these data: a. Determine the uncatalyzed and catalyzed rate laws for this reaction, and the corresponding rate constants. (16...
Question 1 2 pts How does a noncompetitive inhibitor decrease the rate of an enzyme-catalyzed reaction? by decreasing the free-energy change of the reaction catalyzed by the enzyme by binding to an allosteric site, thus changing the shape of the active site of the enzyme by binding to the active site of the enzyme, thus preventing binding of the normal substrate by binding to the substrate, thus changing its shape so that it no longer binds to the active site...
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