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38. The rate constant for a reaction at 40.0°C is exactly 5 times that at 20.0°C....
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E 40.0 kJ/mol. If the rate constant of this reaction is 2.5 x 10' M is at 181.0 °C, what will the rate constant be at 241.0 °C? Round your answer to 2 significant digits. X 5 ?
The rate constant for a reaction at 40 degree C is exactly 3 times that at 20 degree C. Calculate the activation energy for the reaction. R=8.314J/Kmol K=Ae^(-Ea/RT)
Joe Using the to c k at one temperature f. The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E-69.0 kJ/mol. If the rate constant of this reaction is 0.0051 Ms- at 20.0 °C, what will the rate constant be at 90.0 °c Round your answer to 2 significant digits
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0 kJ mol-1. Which statement below is true? a. The activation energy of the forward reaction would be affected to a greater extent than the activation energy of the reverse reaction by addition of a catalyst. b. The value for the enthalpy of reaction would be decreased by addition of a catalyst. c. The reaction is endothermic. d....
calculate the rate constant at 25 degrees celsius for a reaction that has a rate constant of 5.5x10^-5 s^-1 at 100 degrees celsius and an activation energy of 40.0 KJ/mol
E 12.0 kJ/mol. If the rate constant of this The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy sat 314.0 "C, what will the rate constant be at 347.0 °C reaction is 8.6x 10 M Round your answer to 2 signifcant digits. -0A X
A catalyst lowers the activation energy for a particular reaction from 75.0 kJ mol−1to 40.0 kJ mol−1. By what factor does the rate constant increase if the catalyst is used at 25.0 °C? Assume that all rate constants obey the Arrhenius equation and that the pre-exponential factors for the uncatalyzed and catalyzed reactions are equal
к 8. At 20.0°C the rate constant for a reaction is 0.125M min:!. What will be the value of the rate constant at 32.0°C? The activation energy for the reaction is 57.2kJ/mol ca
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E,= 17.0 kJ/mol. If the rate constant of this reaction is 4.9 x 100 M is at 111.0 °C, what will the rate constant be at 199.0 °C? Round your answer to 2 significant digits. k = []m-².5-1 xo x 6 ?
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E = 76.0 kJ/mol. If the rate constant of this reaction is 11. M S at 296.0 °C, what will the rate constant be at 214.0 °C? Round your answer to 2 significant digits. k = [] M4.5-2 x | ?