1.

Rateof disappearance of the reactant A at two different temperature is given by A rarr B (-d[A])/(dt)=2 xx 10^(-2) "sec"^(-1)[A]-4xx10^(-3)"sec"^(-1)[B] at 300 K (-d[A])/(dt)=4 xx 10^(-2) "sec"^(-1)[A]-16xx10^(-4)"sec"^(-1)[B] at 400 Kheat of reaction in the given temperature range, when equilibrium is set up is :

Answer»

`(2.303 XX 2 xx 300 xx 400)/(100) "log"50` CAL
`(2.303 xx 2 xx 300 xx 400)/(100) "log"250` Cal
`(2.303 xx 2 xx 300 xx 400)/(100) "log"5` Cal
none of these

Answer :C


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