With a catalyst present, the rate of a particular reaction is 65 times faster than without the catalyst. If the catalyst is known to decrease the activation energy by 15.0 kJ moI-1, at what temperature (K) did the reaction occur?
A. 432
B. 275
C. 722
D. 301
E. 309
With a catalyst present, the rate of a particular reaction is 65 times faster than without...
Suppose that, in the absence of a catalyst, a certain biochemical reaction occurs x times per second at normal body temperature (37 °C). In order to be physiologically useful, the reaction needs to occur 2000 times faster than when it is uncatalyzed. Part A By how many kJ/mol must an enzyme lower the activation energy of the reaction to make it useful? Express your answer using two significant figures. PO AQ * o o ? Ea – Eac = kJ/mol
A certain reaction has an activation energy of 55.11 kJ/mol. At what Kelvin temperature will the reaction proceed 7.50 times faster than it did at 309 K? T =
The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction at 343 K than at 322 K? (R = 8.314 J/mol • K)
If a particular reaction has an activation enery, Ea, of 160 kJ/mol, how much faster is a reaction at 70 ∘C compared to the reaction at 25 ∘C? a. The reaction is approximately 875 times slower at the higher temperature. b. The reaction is approximately 4,800 times faster at the higher temperature c. The reaction is approximately 520 times faster at the higher temperature
Certain reaction has an activation energy of 26.64 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 289 K?
The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 x 10-45-1 at 323 K, what is the rate constant at 273 K? | 1/ Determine the activation energy for the redox reaction Q2+ + 2 R3+ → Q4+ + 2 R2+. Rate Constant Temperature 3.12 x 103 M-15-1 275 K 2.70 x 104 M-15-1 300 K kJ/mol
A certain reaction has an activation energy of 39.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.00 times faster than it did at 317 K? ?= ?K
A certain reaction has an activation energy of 61.53 kJ/mol. At what Kelvin temperature will the reaction proceed 5.50 times faster than it did at 335 K? ?= K
A certain reaction has an activation energy of 50.96 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 311 K? TE K
A certain reaction has an activation energy of 43.60 kJ/mol. At what Kelvin temperature will the reaction proceed 3.00 times faster than it did at 337 K?