The rate constant of a second-order reaction is 10^-2 lit mole^-1 s^-1. The rate constant, when expr β Chemical Kinetics Chemistry Question
Question
The rate constant of a second-order reaction is 10^-2 lit mole^-1 s^-1. The rate constant, when expressed in ml molecule^-1 min^-1, is (N_A = 6 Γ 10^23)
Answer: B
π‘ Solution & Explanation
Given K = 10^-2 L mol^-1 s^-1. Converting units: 1 L = 10^3 mL; 1 mol = 6 Γ 10^23 molecules; 1 s = 1/60 min. K = 10^-2 * (10^3 mL) / ((6 Γ 10^23 molecules) * (1/60 min)) = 10^-2 * 10^3 * 60 / (6 Γ 10^23) = 600 / (6 Γ 10^23) = 100 Γ 10^-23 = 1.0 Γ 10^-21 mL molecule^-1 min^-1.
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