Reaction 1 has the rate law ; Reaction 2 has the rate law

CHEMISTRY · Single correct · AP · Chemistry · Kinetics · Kinetics

Problem

Reaction 1 has the rate law rate=k1[C]rate = k_1[C]; Reaction 2 has the rate law rate=k2[D]2[E]rate = k_2[D]^2[E]. Which statement about the units of the two rate constants is most accurate? (a) Both k1k_1 and k2k_2 have units M s−1M\,s^{-1}. (b) k1k_1 has units s−1s^{-1}, whereas k2k_2 has units M−2 s−1M^{-2}\,s^{-1}. (c) k1k_1 has units M−1 s−1M^{-1}\,s^{-1}, whereas k2k_2 has units s−1s^{-1}. (d) k1k_1 has units s−1s^{-1}, whereas k2k_2 has units M−1 s−1M^{-1}\,s^{-1}.

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