The activation energy for the gas phase decomposition of

Question

The activation energy for the gas phase decomposition of chloroethane is 254 kJ/mol.

CH₃CH₂Cl------>C₂H₄ + HCl

The rate constant for this reaction is 1.67×10^-4 s^-1 at 722 K. What is the rate constant at 769 K?

_________ s^-1

For the gas phase decomposition of chloroethane,

CH₃CH₂Cl------>C₂H₄ + HCl

the rate constant at 736 K is 3.77×10^-4 s^-1 and the rate constant at 775 K is 3.04×10^-3 s^-1.

What is the activation energy for this reaction?  __________kJ/mol