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K1.The first order decomposition of C2H5Cl has a rate constant of 0.0128 min-1 at 425oC. If the initial concentration of the C2H5Cl is 0.35 M, calculate a. The concentration of the C2H5Cl after 15 minutes b. The half life for the reaction c. How long it will take for 80% of the original sample to decompose d. If the rate constant for the same reaction is 0.0170 min-1 at 470oC is what is the energy of activation for the reaction? e. Determine the rate constant at a temperature of 100oC.