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  • Calculate the half-life of a first order reaction from their rate constants given below: 4 years ^- 1

4.13 (3)   Calculate the half-life of a first order reaction from their rate constants given  below:
                 4 years ^{-1}

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The half-life for the first-order reaction is  t_{1/2}= 0.693/k
                                                                            = 0.693/4
                                                                            =  0.173 year (approximately)

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