1.

For an elementary reaction 2A+B to 3C the rate of appearance of C at time 't' is 1.3xx10^(-4)"mol L"^(-1)s^(-1). Calculate at this time (i) rate of the reaction. (ii) rate of disappearance of A.

Answer»

Solution :RATE of reaction `= =(1)/(3)(d[C])/(DT)= +(1)/(3)xx1.3xx10^(-4)=4.33xx10^(-5)"mol L"^(-1)s^(-1)`
Rate of disappearance of `A=(d[A])/(dt)`
Rate of reaction `=-(1)/(2)(d[A])/(dt)`
Substituting the values, we GET
`4.33xx10^(-5)= -(1)/(2)(d[A])/(dt) or (d[A])/(dt)= -2xx4.33xx10^(-5)`
`= -8.66xx10^(-5)=8.66xx10^(-5)` (Removing - sign)


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