O KINETICS AND EQUILIBRIUMInterpreting a reaction energy diagramConsider 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)400-300-200-100-04+3reaction 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+B☐kJ/molExothermicEndothermicONeitherO Yes, it's] kJ/molNo.O Yes, it's kJ/molNo.X0/5

Answered: Consider a hypothetical chemical…

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.53PAE: Explain why each of the following chemical equations is not a correct formation reaction: 4Al( s )+3...

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O KINETICS AND EQUILIBRIUM
Interpreting a reaction energy diagram
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
4+3
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
Exothermic
Endothermic
ONeither
O Yes, it's] kJ/mol
No.
O Yes, it's kJ/mol
No.
X
0/5

Expert Solution

Step 1: Introduction

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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