18. For the overall chemical reaction shown below, which one of the following statements can be rightly assumed?
(A) The reaction is third-order overall.
(B) The reaction is second-order overall.
(C)The rate law is, rate = k[H2S]2 [O2].
(D) The rate law is, rate = k[H2S][O2].
(E) The rate law cannot be determined from the information given.
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統計: A(1), B(1), C(2), D(0), E(10) #2973572
統計: A(1), B(1), C(2), D(0), E(10) #2973572