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23/01/2022 3:17 pm
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For the reaction R → P, the concentration of a reactant changes from 0.03 M to 0.02 M in 25 minutes. Calculate the average rate of reaction using units of time both in minutes and seconds.
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23/01/2022 3:27 pm
Average rate of reaction = -\(\frac{\Delta [R]}{\Delta t}\)
= -\(\frac{[R]_2 - [R_1]_1}{t_2 - t_1}\)
= - \(\frac{0.02 - 0.03}{25}\) M min-1
= - \(\frac{-0.01}{25}\)M min-1
= 4 x 10-4 M min-1
= \(\frac{4 \times 10^{-4}}{60}\) M s-1
= = 6.67 × 10-6 M s-1