Homework Answers
For the reverse reaction the value of Activation energy Ea is 100-40 = 60 KJ/mol. And ∆E = 20-40 = -20 KJ/mol.
The correct option is option A.
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The potential energy profile for the one step reaction AB+CDAC+ BD is shown. The energies are...
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...
The following graph shows the energy profile of an exothermic reaction. Based on this profile, determine...
The following graph shows the energy profile of an exothermic reaction. Based on this profile, determine the activation energy, Ea, for the reverse reaction. 100 80 60 PE (kJ) A+B 40 C+D 20 Progress of the reaction A. 20 ka OB. 100 kJ OC. 60 k) D.80 kJ
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...
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...
A reaction profile (not to scale!) for the reaction 03 + NO +02 + NO2 is...
A reaction profile (not to scale!) for the reaction 03 + NO +02 + NO2 is shown below: E (kJ) 11 03 + NO 200 O2 + NO2 Reaction Coordinate Which of the following are true? Choose all that apply. The value of Ea in the presence of a catalyst would be larger than 11.0 kJ. AE is positive. The magnitude of Ea for the reverse reaction is larger than 11.0 kJ. The value of AE in the presence of...
Question 2 Shown below is the reaction profile for a certain reaction. potential energy im course...
Question 2 Shown below is the reaction profile for a certain reaction. potential energy im course of reaction (reaction coordinate) How many steps are in this reaction? [Select] How many transition states are featured in this reaction? (Select] Which intermediate is highest in energy? (Select] Is AE positive or negative for this reaction? [Select] Which step is the rate-determining step? [ Select]
A reaction profile (not to scale!) for the reaction C2H4 + HClC2H5Cl is shown below: Which...
A reaction profile (not to scale!) for the reaction C2H4 +
HClC2H5Cl is shown below:
Which of the following are true? Choose all that apply.
1. The value of Ea in the presence of a catalyst would be larger
than 205 kJ. E is positive.
2. The energy of the products is lower than the energy of the
reactants.
3. The value of E in the presence of a catalyst would be smaller
than -70.0kJ
4. The magnitude of Ea...
The energy profile of a reaction is shown below. 386 kJ Potential Energy kJ 238 kJ...
The energy profile of a reaction is shown below. 386 kJ Potential Energy kJ 238 kJ Reaction Pathway What is the activation energy of the reaction? 4.0 123 Tutorial Rate laws generally take the form Rate = [X]m [Y]" ... This question asks about the exponents (m, n, ...) in the ra The reaction B + C → 2 A occurs in one step. In each answer blank below, write the exponent of the concentration in the rate law or...
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...
A reaction has the activation energies of 34.5 and 52.7 kJ/mol for the forward and reverse...
A reaction has the activation energies of 34.5 and 52.7 kJ/mol for the forward and reverse steps, respectively. What is the energy change (AE-Eproducts- Ereactants) for this reaction? 43.6 kJ/mol O 18.2 kJ/mol O 87.2 kJ/mol O -18.2 kJ/mol O-87.2 kJ/mol
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...
The following graph shows the energy profile of an exothermic reaction. Based on this profile, determine the activation energy, Ea, for the reverse reaction. 100 80 60 PE (kJ) A+B 40 C+D 20 Progress of the reaction A. 20 ka OB. 100 kJ OC. 60 k) D.80 kJ
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...
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...
A reaction profile (not to scale!) for the reaction 03 + NO +02 + NO2 is shown below: E (kJ) 11 03 + NO 200 O2 + NO2 Reaction Coordinate Which of the following are true? Choose all that apply. The value of Ea in the presence of a catalyst would be larger than 11.0 kJ. AE is positive. The magnitude of Ea for the reverse reaction is larger than 11.0 kJ. The value of AE in the presence of...
Question 2 Shown below is the reaction profile for a certain reaction. potential energy im course of reaction (reaction coordinate) How many steps are in this reaction? [Select] How many transition states are featured in this reaction? (Select] Which intermediate is highest in energy? (Select] Is AE positive or negative for this reaction? [Select] Which step is the rate-determining step? [ Select]
A reaction profile (not to scale!) for the reaction C2H4 +
HClC2H5Cl is shown below:
Which of the following are true? Choose all that apply.
1. The value of Ea in the presence of a catalyst would be larger
than 205 kJ. E is positive.
2. The energy of the products is lower than the energy of the
reactants.
3. The value of E in the presence of a catalyst would be smaller
than -70.0kJ
4. The magnitude of Ea...
The energy profile of a reaction is shown below. 386 kJ Potential Energy kJ 238 kJ Reaction Pathway What is the activation energy of the reaction? 4.0 123 Tutorial Rate laws generally take the form Rate = [X]m [Y]" ... This question asks about the exponents (m, n, ...) in the ra The reaction B + C → 2 A occurs in one step. In each answer blank below, write the exponent of the concentration in the rate law or...
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...
A reaction has the activation energies of 34.5 and 52.7 kJ/mol for the forward and reverse steps, respectively. What is the energy change (AE-Eproducts- Ereactants) for this reaction? 43.6 kJ/mol O 18.2 kJ/mol O 87.2 kJ/mol O -18.2 kJ/mol O-87.2 kJ/mol
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