1.

In a reaction ,2Ato products ,the concentration of A decreases from 0.5 mol L^(-1) to 0.4 mol L^(1) in 10 minutes.Calculate the rate during this interval.

Answer»

SOLUTION :Reaction 2A `to` Product, Time =10 minute
`THEREFORE Deltat=10 "minute:-0 "minute" =10 "minute"`
`Rate=-(1)/(2)(DELTA[A])/(Deltat)`
`=-((0.4-0.5)mol L^(-1))/(2XX10 m)`
`+(0.1)/(2xx10),ol L^(-1) m^(-1)`
`=5.0 xx10^(-3) mol L^(-1) m^(-1)`


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