Multiple Choice
Which of the following combinations of factors can influence the effectiveness of a chemical sanitizer?
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15. Chemical Kinetics
Factors Influencing Rates
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Identify the intermediate in the mechanism below:
Step 1:NO2 → NO + O
Step 2:O + NO2 → O2 + NO
A
NO2
B
NO
C
O
D
O2
E
There is no intermediate present.
Verified step by step guidance1
Understand that an intermediate in a chemical reaction mechanism is a species that is produced in one step and consumed in a subsequent step.
Examine Step 1: NO2 → NO + O. Here, NO2 is converted into NO and O. The species O is produced in this step.
Examine Step 2: O + NO2 → O2 + NO. In this step, the species O, which was produced in Step 1, is consumed.
Since O is produced in Step 1 and consumed in Step 2, it fits the definition of an intermediate.
Conclude that the intermediate in the given mechanism is the species O.
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