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21. A reaction proceeds by a series of elementary steps...
21. A reaction proceeds by a series of elementary steps as shown below. The activation energy...
21. A reaction proceeds by a series of elementary steps as shown below. The activation energy and heat of reaction are shown for each step. Step No. Elementary step Activation energy Enthalpy of reaction A + B2 → AB, 4 kJ/mol -10 kJ/mol 2 AB2+ C → ABC + BC 30 kJ/mol +5.2 kJ/mol 3 ABC + B2 → AB + BC 10 kJ/mol -7.8 kJ/mol a) What is the overall equation for this reaction? (1 mark) b) What is...
D. The data below is for the reaction sequence A- Elementary step A, H/kJ mol A-...
D. The data below is for the reaction sequence A- Elementary step A, H/kJ mol A- B B- C C D B- C- E /kJ mol Hint: Use the data to prepare a graph of the reaction profile and then answer the questions below. Your graph should be properly labelled and drawn to scale. Potential Energy Reaction progress (a) Whichof the following steps has the smallest rate constant? AB Bc (b) Which of the following steps has the largest rate...
Could you please help me with this worksheet. do not need question 5 Melecule Name of...
Could you please help me with this worksheet. do not need
question 5
Melecule Name of VSEPR Draw the molecule Molecule: polar or nonpolar Explain why 3. Complete the following chart. (6 marks) shape NH3 BF3 4. A proposed mechanism for a reaction is: DH,=3 kJ/mol Ea, 12 kJ/mol ()A B, AB, DH, 5.2 kJ/mol (ii) AB, C ABC + BC Ea, 30 kJ/mol DH,--7.8 kJ/mol (ii) ABC B, AB, BC Ea, 10 kJ/mol a) Which is the rate determining...
Answer the following questions for the reaction sequence A + B --> AB --> C -->...
Answer the following questions for the reaction
sequence A + B --> AB --> C --> P. A table of energy
values for this reaction sequence is found above.
1. Draw a diagram of the reaction profile. Label and
include all enthalpy changes (delta H) and activation energies for
all steps. Draw to scale.
2. Find the activation energy for the overall reaction
A + B --> P. Also find the activation energy for the reverse
reaction P --> A...
Most reactions occur by a series of steps. The energy profile for a certain reaction that...
Most reactions occur by a series of steps. The energy profile for a certain reaction that proceeds by a two-step mechanism is shown below. 2 1 Reaction coordinate In regard to the energy profile, identify the following. (a) The positions of reactants and products reaction coordinate for reactants 1 reaction coordinate for products 3 (b) The activation energy for the overall reaction. (Enter your answers in increasing numerical order.) the energy difference between reaction coordinatesSelect and-Select (c) AE for the...
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?...
5. For the Sul reaction given, the reaction coordinate diagram is as shown. step to t.....
5. For the Sul reaction given, the reaction coordinate diagram is as shown. step to t.. supstintos + Br + OH2 -O-H + HBO -Br 79-H + OH2 Br (a) Which step is the rate determining step for the reaction? Draw the activation energy for that step into the above diagram. (b) Draw the structure of the highest energy intermediate in the reaction. (e) Given the following bond dissociation energies (in kcal/mol), calculate the AH for the overall reaction. Tertiary...
2. Draw a labeled reaction-energy diagram (graph of potential energy versus reaction coordinate) for a three-step...
2. Draw a labeled reaction-energy diagram (graph of potential energy versus reaction coordinate) for a three-step overall exothermic reaction with the A. first step being the rate-determining step B. third step being the rate-determining step Label each graph with the following: reactants (r), transition states (ts.), intermediates (int.), products (p). activation energies (Ea), and overall standard heat of reaction (AH). (Note: Each subscript, x, needs to be a number that refers to the appropriate primary mechanistic step. For example, Ea,...
3. For the Sul reaction given the reaction coordinate diagram is as shown Stop 1 to...
3. For the Sul reaction given the reaction coordinate diagram is as shown Stop 1 to siune L.OM- L .Br 7*. Br + OH2 -O-H HBO O-1 + OH2 (a) Which step is the rate determining step for the reaction? Draw the activation energy for that step into the above diagram. (b) Draw the structure of the highest energy intermediate in the reaction. (c) Given the following bond dissociation energies (in kcal/mol), calculate the AH for the overall reaction. Tertiary...
The potential energy profile for the one step reaction AB + CD + AC +BD is...
The potential energy profile for the one step reaction AB + CD + AC +BD is shown. The energies are given in units of kJ/mol. What are the values of E, and AE for the REVERSE reaction? 100 80 60 Potential energy 40 20 0 Reaction progress O Ea = 80 kJ/mol and AE = -20 kJ/mol Ea - 60 kJ/mol and AE --20 kJ/mol Ea - 100 kJ/mol and AE = 20 kJ/mol Ea = 80 kJ/mol and AE...
21. A reaction proceeds by a series of elementary steps as shown below. The activation energy and heat of reaction are shown for each step. Step No. Elementary step Activation energy Enthalpy of reaction A + B2 → AB, 4 kJ/mol -10 kJ/mol 2 AB2+ C → ABC + BC 30 kJ/mol +5.2 kJ/mol 3 ABC + B2 → AB + BC 10 kJ/mol -7.8 kJ/mol a) What is the overall equation for this reaction? (1 mark) b) What is...
D. The data below is for the reaction sequence A- Elementary step A, H/kJ mol A- B B- C C D B- C- E /kJ mol Hint: Use the data to prepare a graph of the reaction profile and then answer the questions below. Your graph should be properly labelled and drawn to scale. Potential Energy Reaction progress (a) Whichof the following steps has the smallest rate constant? AB Bc (b) Which of the following steps has the largest rate...
Could you please help me with this worksheet. do not need
question 5
Melecule Name of VSEPR Draw the molecule Molecule: polar or nonpolar Explain why 3. Complete the following chart. (6 marks) shape NH3 BF3 4. A proposed mechanism for a reaction is: DH,=3 kJ/mol Ea, 12 kJ/mol ()A B, AB, DH, 5.2 kJ/mol (ii) AB, C ABC + BC Ea, 30 kJ/mol DH,--7.8 kJ/mol (ii) ABC B, AB, BC Ea, 10 kJ/mol a) Which is the rate determining...
Answer the following questions for the reaction
sequence A + B --> AB --> C --> P. A table of energy
values for this reaction sequence is found above.
1. Draw a diagram of the reaction profile. Label and
include all enthalpy changes (delta H) and activation energies for
all steps. Draw to scale.
2. Find the activation energy for the overall reaction
A + B --> P. Also find the activation energy for the reverse
reaction P --> A...
Most reactions occur by a series of steps. The energy profile for a certain reaction that proceeds by a two-step mechanism is shown below. 2 1 Reaction coordinate In regard to the energy profile, identify the following. (a) The positions of reactants and products reaction coordinate for reactants 1 reaction coordinate for products 3 (b) The activation energy for the overall reaction. (Enter your answers in increasing numerical order.) the energy difference between reaction coordinatesSelect and-Select (c) AE for the...
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?...
5. For the Sul reaction given, the reaction coordinate diagram is as shown. step to t.. supstintos + Br + OH2 -O-H + HBO -Br 79-H + OH2 Br (a) Which step is the rate determining step for the reaction? Draw the activation energy for that step into the above diagram. (b) Draw the structure of the highest energy intermediate in the reaction. (e) Given the following bond dissociation energies (in kcal/mol), calculate the AH for the overall reaction. Tertiary...
2. Draw a labeled reaction-energy diagram (graph of potential energy versus reaction coordinate) for a three-step overall exothermic reaction with the A. first step being the rate-determining step B. third step being the rate-determining step Label each graph with the following: reactants (r), transition states (ts.), intermediates (int.), products (p). activation energies (Ea), and overall standard heat of reaction (AH). (Note: Each subscript, x, needs to be a number that refers to the appropriate primary mechanistic step. For example, Ea,...
3. For the Sul reaction given the reaction coordinate diagram is as shown Stop 1 to siune L.OM- L .Br 7*. Br + OH2 -O-H HBO O-1 + OH2 (a) Which step is the rate determining step for the reaction? Draw the activation energy for that step into the above diagram. (b) Draw the structure of the highest energy intermediate in the reaction. (c) Given the following bond dissociation energies (in kcal/mol), calculate the AH for the overall reaction. Tertiary...
The potential energy profile for the one step reaction AB + CD + AC +BD is shown. The energies are given in units of kJ/mol. What are the values of E, and AE for the REVERSE reaction? 100 80 60 Potential energy 40 20 0 Reaction progress O Ea = 80 kJ/mol and AE = -20 kJ/mol Ea - 60 kJ/mol and AE --20 kJ/mol Ea - 100 kJ/mol and AE = 20 kJ/mol Ea = 80 kJ/mol and AE...
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