1.

The half- lifeof a firstorderreactionis 900min at820 k Estimateits half- lifeat 720 kif theenergyof activationof thereactionis 250kJ "mol"^(-1) (1.464 xx10^(5)min)

Answer»

Solution :HINT `: (k_(2))/(k_(1))= ((t_(1//2))_(1))/(t_(1//2))_(2)`
Half- LIFE period`-1.46xx 10^(5) min`


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