Draw the potential energy diagram for an exothermic reaction. Explain the terms: activation energy of forward reaction.

Given the following steps in the mechanism for a chemical reaction-
(a) $\mathrm{A}+\mathrm{B}\stackrel{ \mathrm{fast}}{⟶}\mathrm{C}$
(b) $\mathrm{B}+\mathrm{C}\stackrel{ \mathrm{slow}}{⟶}\mathrm{D}+\mathrm{E}$
(c) $\mathrm{D}+\mathrm{F}\stackrel{ \mathrm{fast} }{⟶}\mathrm{A}+\mathrm{E}$
Identify which species are- catalysts.

Given the following steps in the mechanism for a chemical reaction
(a) $\mathrm{A}+\mathrm{B}\stackrel{ \mathrm{fast}}{⟶}\mathrm{C}$
(b) $\mathrm{B}+\mathrm{C}\stackrel{ \mathrm{slow}}{⟶}\mathrm{D}+\mathrm{E}$
(c) $\mathrm{D}+\mathrm{F}\stackrel{ \mathrm{fast} }{⟶}\mathrm{A}+\mathrm{E}$
Identify which species are-Intermediates.

Given the following steps in the mechanism for a chemical reaction
(a) $\mathrm{A}+\mathrm{B}\stackrel{ \mathrm{fast}}{⟶}\mathrm{C}$
(b) $\mathrm{B}+\mathrm{C}\stackrel{ \mathrm{slow}}{⟶}\mathrm{D}+\mathrm{E}$
(c) $\mathrm{D}+\mathrm{F}\stackrel{ \mathrm{fast} }{⟶}\mathrm{A}+\mathrm{E}$

Write the rate equation for the rate determining step.

Given the following steps in the mechanism for a chemical reaction
(a) $\mathrm{A}+\mathrm{B}\stackrel{ \mathrm{fast}}{⟶}\mathrm{C}$
(b) $\mathrm{B}+\mathrm{C}\stackrel{ \mathrm{slow}}{⟶}\mathrm{D}+\mathrm{E}$
(c) $\mathrm{D}+\mathrm{F}\stackrel{ \mathrm{fast} }{⟶}\mathrm{A}+\mathrm{E}$
Given that the concentration of $\mathrm{C}$ is directly proportional to the concentration of $\mathrm{A}$, rewrite the rate equation so that it includes the concentration terms for only reactants and products and not intermediates.

Given the following steps in the mechanism for a chemical reaction
(a) $\mathrm{A}+\mathrm{B}\stackrel{ \mathrm{fast}}{⟶}\mathrm{C}$
(b) $\mathrm{B}+\mathrm{C}\stackrel{ \mathrm{slow}}{⟶}\mathrm{D}+\mathrm{E}$
(c) $\mathrm{D}+\mathrm{F}\stackrel{ \mathrm{fast} }{⟶}\mathrm{A}+\mathrm{E}$
What is the overall order of the reaction?