2h2 + 2 no → n2 + 2 h2o the observed rate expression, under some conditions, is: rate = k[no]2 which of the following mechanisms are consistent with these data? select all that are true. step 1 h2 + no → h2o + n (slow) step 2 n + no → n2 + o (fast) step 3 o + h2 → h2o (fast)

Explanation:

Rate law is defined as the rate of a reaction is directly proportional to the concentration of reactants at constant temperature.

                                  = k

where,     k = rate constant

                n = order of reaction

For the given reaction,

Hence, its rate will be as follows.

                   Rate =

Also, it is known that slowest step in a chemical reaction is the rate determining step.

Hence, for the given rate law correct reaction is as follows.

Step 1 : (slow)

Balancing this equation it becomes (slow)

Step 2: (fast)

describe matter a earth

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explanation: