Calculate the activation energy for this reaction. Express your answer to three significant figures with the appropriate units, The rate constant for the reaction of hydrogen with iedine is 2.45104M1s1 at 302CC and 0.950M1s1 at 500C. Part B Calculate the Anthenius preemonential factor for this reaction. Express your answer to one significant figure with the appropelate units. Calculate the Arrhenius preexponential factor for this reaction. Express your answer to one significant figure with the appropriate units. Part C What is the value of the rate constant at 447C ? Express your answer using one significant figures with the appropriate units