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Reaction rate and temperature

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?

Solution Summary

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