Multiple ChoiceGiven the rate law: rate = k[a]^2[b], what is the order of the reaction with respect to a?26views
Multiple ChoiceFor the second-order reaction a → products, what is the rate when [a] = 0.201 M and k = 0.761 M^{-1} s^{-1}?17views
Multiple ChoiceUsing the information in the table below, determine the rate law for the reaction: a(g) + 3 b(g) → c(g) + 2 d(g).| Experiment | [a] (M) | [b] (M) | Initial Rate (M/s) ||------------|--------|--------|--------------------|| 1 | 0.10 | 0.10 | 0.020 || 2 | 0.20 | 0.10 | 0.040 || 3 | 0.10 | 0.20 | 0.080 |Which of the following is the correct rate law?19views
Multiple ChoiceWhich order of reaction produces a linear plot when concentration is graphed versus time?12views
Multiple ChoiceFor the reaction 2NO + O2 → 2NO2, the experimentally determined rate law is rate = k[NO]^2[O2]. What is the overall reaction order, what is the order with respect to O2, and what are the units of the rate constant k?48views
Multiple ChoiceWhich method can be used to determine the exponents in a rate law for a chemical reaction?27views
Multiple ChoiceFor the reaction with the rate law: rate = k[a]^2[b], what is the reaction order with respect to a?27views
Multiple ChoiceGiven the following reaction mechanism:Step 1: NO_2 + F_2 → NO_2F + F (slow)Step 2: F + NO_2 → NO_2F (fast)Which elementary step in the proposed mechanism is the rate-limiting step?20views
Multiple ChoiceGiven the reaction A + B → C + D and the following experimental data:| Experiment | [A] (M) | [B] (M) | Initial Rate (M/s) ||------------|--------|--------|---------------------|| 1 | 0.10 | 0.10 | 2.0 × 10^{-4} || 2 | 0.20 | 0.10 | 4.0 × 10^{-4} || 3 | 0.10 | 0.20 | 2.0 × 10^{-4} |Which of the following is the correct rate law for this reaction?20views
Multiple ChoiceGiven that a plot of ln[reactant] versus time yields a straight line for a particular reaction, what is the order of this reaction?22views
Multiple ChoiceGiven the rate law for a reaction is rate = k[NO][O_2]^2 and the initial rate is 0.020 mol L^{-1} s^{-1} when [NO] = 0.10 mol L^{-1} and [O_2] = 0.20 mol L^{-1}, what is the value of the rate constant k at this temperature?28views