Problem: Which of the following would be a reasonable unit for the rate constant of a first order reaction?a. secb. L/mol•secc. 1/secd. mol/L•sece. mol2/L2•sec

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We’re being asked to determine the unit of a first-order reaction rate constant

Recall that the rate law only focuses on the reactant concentrations and has a general form of:

rate law=kAxBy

k = rate constant
A & B = reactants
x & y = reactant orders

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Problem Details

Which of the following would be a reasonable unit for the rate constant of a first order reaction?

a. sec
b. L/mol•sec
c. 1/sec
d. mol/L•sec
e. mol2/L2•sec

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What scientific concept do you need to know in order to solve this problem?

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