Problem 14.61 - Enhanced - with Feedback Part A A certain first-order reaction has a rate constant of 2.05 x 10-2 s-1 at 18 C. What is the value of k at 51 C if Ea = 82.5 kJ/mol ? = Express your answer in reciprocal seconds to three significant figures. VI ? k 5-1 Submit Request Answer Part B = Another first-order reaction also has a rate constant of 2.05 x 10-2 s-1 at 18C. What is the value of k at 51 C if E2 = 134 kJ/mol ? Express your answer in reciprocal seconds to three significant figures