The rate constant for a certain reaction was measured at two different temperatures. At 73.5 °C it was found to be 0.00658 s'¹ and 0.0123s¹ at 93.7 °C. Based on these values what is the activation energy for this reaction? 32700 kJ/mol O 32.7 kJ/mol O 1780 kJ/mol -1.78 kJ/mol O-32.7 kJ/mol O 1.78 kJ/mol

A certain reaction has an activation energy of 39.23 kJ/mol. At what Kelvin temperature will the reaction proceed 3.00 times faster than it did at 291 K?

For the reaction: 4NH3 (g) + 7O2 (g) → 4NO2 (g) + 6H2 (g), if H2 is produced at a rate of 3.5 x 10-3 M/s, O2 is consumed at a rate of... A. -2.5 x 10-2 M/s B. -4.1 x 10-3 M/s C. -2.1 x 10-2 M/s D. -3.0 x 10-3 M/s E. -5.8 x 10-4 M/s

The rate constant of a reaction is 0.688 s-1 at 20.0 °C, and the activation energy is 33.5 kJ/mol What is k at 90.2°C. Enter a number to 3 decimal places.

The rate constant for a particular reaction is 1.5 x 10-4 M-'s at 100 °C and 1.1 x 103 M-'s- at 150 °C. What is the energy of activation (in kJ) for this reaction with 2 significant figures?

Given the same reactant concentrations, the below reaction at 257. °C is 94.6 times as fast as the same reaction at 163. °C. Calculate the activation energy for this reaction. Assume that the frequency factor is constant. Round your answer to 2 significant digits. co(g) + Cl₂(g) - COCL, (g) Note: Reference the Fundamental constants table for additional information. E₁ - 1 kJ mol x10 X

The activation energy of an uncatalyzed reaction is 95 kJ/mol. The addition of a catalyst lowers the activation energy to 66.8 kJ/mol. Assuming the frequency factor remains the same, by what factor (ratio of K1(catalyzed)/K2(uncatalyzed)) will the catalyst increase the rate of the reaction of 26.7 °C?

The rate constant for the reaction is 0.420 M-! ·s- at 200 °C. A → products If the initial concentration of A is 0.00620 M, what will be the concentration after 245 s? [A] = M

The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction at 343 K than at 314 K? (R = 8.314 J/mol K)

A certain reaction has an activation energy of 50.88 kJ/mol. At what kelvin temperature will the reaction proceed 5.50 times faster than it did at 335K?