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Estimate the rate constant for the reaction H2 + C2H4 ? C2H6 at 628 K knowing...

Estimate the rate constant for the reaction H2 + C2H4 ? C2H6 at 628 K knowing that the calculated reduced mass, using m(H2) = 2.016mu and m(C2H4) = 28.05mu, is ? = 3.123 × 10?27 kg, ?(H2,C2H4) ? 0.44 nm2 , and the activation energy is 180 kJ mol?1

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