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For the first order reaction A to B + C,...

For the first order reaction `A to B + C`, carried out at 27°C, `3.8 xx 10^(-16)` % of the reactant molecules exists in the activated state. The `E_a` (activation energy) of the reaction is:

A

12 kJ/mol

B

831.4 kJ/mol

C

100 kJ/mol

D

88.57 kJ/mol

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