The following questions refer to the reaction 2A2 + B2 → 2C. The mechanism below has been proposed: 
-What is the molecularity of step 2?
Definitions:
Recognition Lag
The delay between the onset of an economic problem and the time at which it is recognized by policymakers.
Decision Lag
The delay between recognizing the need for a decision and the actual implementation of that decision, often affecting the efficiency of response in economic policy.
Impact Lag
The time it takes for the full effects of a monetary or fiscal policy to impact the economy after it has been implemented.
Borrow
The act of getting something from someone with the intention of returning it or its equivalent.
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