(a) The second step of this mechanism is rate-determining (slow). What is the rate law for this reaction? Rate = k [NO] [0₂] Rate = k [NO]² [0₂] Rate = k [NO] [0₂]² Rate = k [NO]¹/2 [0₂] O Rate = k [NO] [0₂]¹/2 Rate = k [NO]² Rate = k [NO]² [0₂]1/2 (b) What would the rate law be if the first step of this mechanism were rate-determining? Rate = k [NO] [0₂] Rate = k [NO]² [0₂] Rate = k [NO] [0₂]² Rate = k [NO]¹/2 [0₂] O Rate = k [NO] [0₂]1/2 Rate = k [NO]² Rate = k [NO]² [0₂]¹/2 Rate = k [NO]

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Chapter12: Chemical Kinetics
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The reaction 2 NO(g) + O₂(g) --> 2 NO₂(g) proceeds through the following mechanism:
(a) The second step of this mechanism is rate-determining (slow). What is the rate law for this reaction?
O Rate = k [NO] [0₂]
O Rate = k [NO]² [0₂]
O Rate = k [NO] [0₂]²
O Rate = k [NO]¹/2 [0₂]
O Rate = k [NO] [0₂]¹/2
O Rate = k [NO]²
O Rate = k [NO]² [0₂]1/2
(b) What would the rate law be if the first step of this mechanism were rate-determining?
O Rate = k [NO] [0₂]
O Rate = k [NO]² [0₂]
O Rate = k [NO] [0₂]²
1
O Rate = k [NO]¹/2 [0₂]
O Rate = k [NO] [0₂]1/2
O Rate = k [NO]²
O Rate = k [NO]² [0₂]¹/2
O Rate = k [NO]
2 NO(g) --> N₂O2(9)
N₂O2(g) + O2(g) -->> 2 NO₂(g)
Transcribed Image Text:The reaction 2 NO(g) + O₂(g) --> 2 NO₂(g) proceeds through the following mechanism: (a) The second step of this mechanism is rate-determining (slow). What is the rate law for this reaction? O Rate = k [NO] [0₂] O Rate = k [NO]² [0₂] O Rate = k [NO] [0₂]² O Rate = k [NO]¹/2 [0₂] O Rate = k [NO] [0₂]¹/2 O Rate = k [NO]² O Rate = k [NO]² [0₂]1/2 (b) What would the rate law be if the first step of this mechanism were rate-determining? O Rate = k [NO] [0₂] O Rate = k [NO]² [0₂] O Rate = k [NO] [0₂]² 1 O Rate = k [NO]¹/2 [0₂] O Rate = k [NO] [0₂]1/2 O Rate = k [NO]² O Rate = k [NO]² [0₂]¹/2 O Rate = k [NO] 2 NO(g) --> N₂O2(9) N₂O2(g) + O2(g) -->> 2 NO₂(g)
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