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Reaction rate and temperature

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For the reaction:

C2H4(g) + H2(g)----> C2H6(g)

the activation energy is 181kJ/mol. The rate constant at 1000 degrees Celsius is 1.6 x 10^3 L/mol/s.
A.) at what temperature is the rate constant half its value at 1000 degrees Celsius?
B.) What is the rate constant at 725 degrees Celsius?

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Solution Summary

The rate constants at temperatures are calculated and the details are provided in the solution.