AConsider a hypothetical chemical reaction:A+B C+D-(In this equation A, B, C and D stand for some unknown chemical formulas.)Here is an energy diagram for the reaction:energy(kJ/mol)400-300-200-1000A + BC + Dreaction coordinateUse the energy diagram to answer these questions.What is the heat of reaction?Is the reaction exothermic or endothermic?Can you determine the activation energy?Can you determine the activation energy of the reverse reaction?C+D+A+BkJ/molO ExothermicEndothermicNeitherYes,No.No.it's kJ/molit'sYes, it'sXit's kJ/molS

Answered: Consider a hypothetical chemical…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A
Consider a hypothetical chemical reaction:
A+B C+D
-
(In this equation A, B, C and D stand for some unknown chemical formulas.)
Here is an energy diagram for the reaction:
energy
(kJ/mol)
400-
300-
200-
100
0
A + B
C + D
reaction coordinate
Use the energy diagram to answer these questions.
What is the heat of reaction?
Is the reaction exothermic or endothermic?
Can you determine the activation energy?
Can you determine the activation energy of the reverse reaction?
C+D+A+B
kJ/mol
O Exothermic
Endothermic
Neither
Yes,
No.
No.
it's kJ/mol
it's
Yes, it's
X
it's kJ/mol
S

Expert Solution

Step 1

The progress of a reaction can be represented by the reaction coordinate diagram. In a reaction coordinate diagram, we can easily detect the transition state, activation energy, and intermediate.

Intermediate: The short-lived species which form in between the product and the reactants are known as intermediate.

Transition state: The highest energy species between the reactants and product or intermediate is known as a transition state.

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