Experiment [H2]/M [NO]/M Initial rate/M-s-1 1 0.012 0.031 4.5x10-6 2 0.0060 0.031 2.2x10-6 3 0.012 1.1x10-6 0.0155 (a) What is the rate law for the reaction? (Rate expressions take the general form: rate = k. [A]a. [B]b.) chemPad O Help Xx° Greek (b) Calculate the rate constant for the reaction. 4.0

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The following data were collected for the reaction between hydrogen and nitric oxide at 700°C.
2 H2(g) + 2 NO(g) - 2 H20(g) + N2(g)
Experiment [H2]/M [NO]/M Initial rate/M-s-1
0.012
0.031
4.5x10-6
0.0060
0.031
2.2x10-6
3
0.012
0.0155
1.1x10-6
(a) What is the rate law for the reaction? (Rate expressions take the general form: rate = k. [A]ª . [B]b.)
chemPad
Help
Greek -
(b) Calculate the rate constant for the reaction.
4.0
(c) Suggest a plausible reaction mechanism that is consistent with the rate law. (Hint: Assume that the oxygen atom is the intermediate. Omit states-of-matter from your
answer.)
First step:
chemPad
Help
Greek -
Second step:
chemPad
Help
Greek
Transcribed Image Text:The following data were collected for the reaction between hydrogen and nitric oxide at 700°C. 2 H2(g) + 2 NO(g) - 2 H20(g) + N2(g) Experiment [H2]/M [NO]/M Initial rate/M-s-1 0.012 0.031 4.5x10-6 0.0060 0.031 2.2x10-6 3 0.012 0.0155 1.1x10-6 (a) What is the rate law for the reaction? (Rate expressions take the general form: rate = k. [A]ª . [B]b.) chemPad Help Greek - (b) Calculate the rate constant for the reaction. 4.0 (c) Suggest a plausible reaction mechanism that is consistent with the rate law. (Hint: Assume that the oxygen atom is the intermediate. Omit states-of-matter from your answer.) First step: chemPad Help Greek - Second step: chemPad Help Greek
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