Problem: Which of the following statements regarding chemical kinetics is/are correct?I In an elementary chemical reaction, the order-dependences of reactants in the rate-law expression are given directly by the coefficients in the equationII The rate constant k is a constant under any and all reaction conditionsIII If the units for the rate constant k = M-1 sec-1, the rate-law expression is second order overallA. All statements are correctB. Only statements I and III are correctC. Only statements I and II are correctD. Only statement II is correctE. All statements are incorrect

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We're being asked to determine which of the given statements regarding chemical kinetics is/are correct.

Let's analyze each statement given:

I. In an elementary chemical reaction, the order-dependences of reactants in the rate-law expression are given directly by the coefficients in the equation.

An Elementary reaction equation means that the reaction happens only in one step

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Problem Details

Which of the following statements regarding chemical kinetics is/are correct?

I In an elementary chemical reaction, the order-dependences of reactants in the rate-law expression are given directly by the coefficients in the equation

II The rate constant k is a constant under any and all reaction conditions

III If the units for the rate constant k = M-1 sec-1, the rate-law expression is second order overall

A. All statements are correct

B. Only statements I and III are correct

C. Only statements I and II are correct

D. Only statement II is correct

E. All statements are incorrect

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