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The rate constant for two parallel react...

The rate constant for two parallel reactions were found reactions were found to be `1.0 xx 10^(–2)" dm"^(3)" mol"^(-1) s^(–1) and 3.0 xx 10^(–2)" dm"^(3)" mol"^(–1) s^(–1)`. If the corresponding energies of activation of the parallel reactions are `60.0" kJ mol"^(–1) and 70.0" kJ mol"^(–1)` respectively, what is the apparent overall energy of activation ?

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