1.

A chemical reaction, 2" A" to 4B+C, in gas phase occurs in a closed vessel. The concentration of B is found to be increased by 5xx10^(-3)"mol L"^(-1) in 10 seconds. Calculate (i) the rate of appearance of B (ii) the rate of disappearance of A.

Answer»


SOLUTION :Rate of APPEARANCE of `B=(Delta[B])/(Deltat)=(5xx10^(-3)" mol L"^(-1))/(10s)=5xx10^(-4)" mol L"^(-1)s^(-1)`
Rate `=-(1)/(2)(Delta[A])/(Deltat)=+(1)/(4)(Delta[B])/(Deltat)=+(Delta[C])/(Deltat)`
Rate of disappearance of `A=-(Delta[A])/(Deltat)=(2)/(4)(Delta[B])/(Deltat)=2.5xx10^(-4)" mol L"^(-1)s^(-1)`.


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