Substances A and B inter-convert via a reversible chemical reaction. The plot below shows the concentrations of A and B as a function of time.
Which statements correctly describe this reaction? [Select all that apply.]
The reaction started with 100% substance A.
The reaction reaches equilibrium.
The rate of conversion of B to A increases as the reaction progresses.
The rate of conversion of A to B increases as the reaction progresses.
Substance A is favored at equilibrium.
Homework Answers
Correct statements are :
(1.) The reaction started with 100% substance A.
(2.) The reaction reaches equilibrium.
(3.) The rate of conversion of A to B increases as the reaction progresses.
(4.) Substance A is favored at equilibrium.
Explanation
From the given graph, we see that when time = 0, there is only reactant A and no product B in the solution.
Also, the concentration of A and B stops changing as indicated by the horizontal parts of both curves. This means equilibrium is achieved.
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