1.

A first order reaction, A to B , requires activation energy of 70 kJ mol^(-1). When a 20%solution of A was kept at 25^(@)C for 20 minutes , 25% decomposition took place. What will be the per cent decomposition in the same time in a 30% solution maintained at 40^(@)C ? Assume that activation energy remains constant in this range of temperature.

Answer»


ANSWER :`67.21%`


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