For the gas-phase reaction 2NO + 2H2 → N2 + 2H20 the mechanism has been proposed (1) 2NO + H2 N2 + H202 (2) H202 + H2 → 2H20 a. Find the rate law if the second step is rate-limiting. b. Find the rate law if the reverse reaction of step 1 is omitted and this step is rate-limiting.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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For the gas-phase reaction
2NO + 2H2 N2 + 2H20
the mechanism has been proposed
2NO + H2 = N2 + H2O2
(2) H2O2 + H2 –→ 2H2O
(1)
a. Find the rate law if the second step is rate-limiting.
b. Find the rate law if the reverse reaction of step 1 is omitted and this step is rate-limiting.
Transcribed Image Text:For the gas-phase reaction 2NO + 2H2 N2 + 2H20 the mechanism has been proposed 2NO + H2 = N2 + H2O2 (2) H2O2 + H2 –→ 2H2O (1) a. Find the rate law if the second step is rate-limiting. b. Find the rate law if the reverse reaction of step 1 is omitted and this step is rate-limiting.
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