1.

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 of time both in minutes and second.

Answer»

Solution :Average rate `= -(DELTA(R ))/(Delta t)=-([R]_(2)-[R]_(1))/(t_(2)-t_(1))`
`=-(0.02 M - 0.03 M)/("25 min")=(-0.01 M)/("25 min")`
`= 4xx10^(-4)"M min"^(-1)`
and `=-(-0.01 m)/(25xx60)=6.66xx10^(-6)MS^(-1)`


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