A reversible reaction begins with only reactants present

CHEMISTRY · Subjective · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

A reversible reaction begins with only reactants present. The forward rate decreases steadily, while the reverse rate increases. The two rates become equal at 45 s and remain equal thereafter. Describe how the concentration of products changes in the interval 45 s < t < 60 s.

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