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The activation energy of one of the reac...

The activation energy of one of the reactions in a biochemical process is `532611 "J mol"^(-1)`. When the temperature falls from 310 K to 300 K, the change in rate constant observed is `k_(300)="x" xx 10^(-3) k_(310)` The value of x is _____
[Given: In `10=2.3 R=8.3 J K^(-1) "mol"^(-1)` ]

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