A second-order reaction has a half-life of 18 s when the initial concentration of reactant is 0.71 M. The rate constant

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answerhappygod
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A second-order reaction has a half-life of 18 s when the initial concentration of reactant is 0.71 M. The rate constant

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A second-order reaction has a half-life of 18 s when the initialconcentration of reactant is 0.71 M. The rate constant for thisreaction is ________ M-1 s-1.
Select one:
a.
18
b.
3.8 × 10-2
c.
7.8 × 10-2
d.
1.3
e.
2.0 × 10-2
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