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For the reaction R ® P, the concentration of a reactant changes from 0.03M to 0.02M in 25 minutes. Calculate the average rate of reaction using units of time both in minutes and seconds.

.4.1     For the reaction R\rightarrow P, the concentration of a reactant change from 0.03M to 0.02Min 25  minutes. Calculate the average rate of reaction using units of time both in minutes and seconds.

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M manish

We know that,

The average rate of reaction = \frac{-\Delta [R]}{\Delta t}

                                              = -\frac{ [R]_{2}-[R]_{1}}{t_{2}-t_{1}}

                                              = \frac{0.03-0.02}{25}Mmin^{-1}

                                              = 4\times 10^{-4}Mmin^{-1}

In seconds we need to divide it by 60. So,

                                              = \frac{4\times 10^{-4}}{60}Msec^{-1}

                                              = 6.67 \times 10^{-6}Msec^{-1}

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