Chemical Kinetics
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Why is instantaneous rate preferred over average rate of reaction?

The rate of reaction at any time depends upon one of the reactants at that time which is not constant but goes on decreasing with time continuously. Therefore, instantaneously rate gives more correct information at that time as compared to average rate.
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    For reaction NO2 + CO → CO2 + NO, the rate law is Rate = k[NO2]2. How many molecules of CO are involved in slowest process?
    Answer
    The reaction 2H2(g) + O2(g) --> 2H2O(g) is feasible. How is that hydrogen and oxygen mixture allowed to stand at room temperature shows no formation of water at all?
    Answer
    The rate constant of a reaction is 3 x 102 h–1. What is the order of reaction?
    Answer
    State any one condition under which a bimolecular reaction may be kinetically of first order.
    Answer
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