5. How much faster would a reaction be if a catalyst is used that lowers the...

Question

Question

5. How much faster would a reaction be if a catalyst is used that lowers the activation energy from 20.0 kJ/mol to 10.0 kJ/mo

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Ea= activation energy * using Arrehenius equation -EalRT K= A e at T=26°c K at 20 kJ/mol K2 at 10 kJ/mol P=128+273= 298K -20x K2 0.012206 KI 1.489x104 87.93 Reaction is 87.93 times faster wun catalyst is used at 0°C

Add a comment

Answer 2

Similar Homework Help Questions

5. How much faster would a reaction be if a catalyst is used that lowers the...

5. How much faster would a reaction be if a catalyst is used that lowers the activation energy from 20.0 kJ/mol to 10.0 kJ/mol? Do the calculation at two temperatures: first at 25.0°C and then at 0.0°C. (20 points)
5. How much faster would a reaction be if a catalyst is used that lowers the...

5. How much faster would a reaction be if a catalyst is used that lowers the activation energy from 20.0 kJ/mol to 10.0 kJ/mol? Do the calculation at two temperatures: first at 25.0°C and then at 0.0°C. (20 points)
5. How much faster would a reaction be if a catalyst is used that lowers the...

5. How much faster would a reaction be if a catalyst is used that lowers the activation energy from 20.0 kJ/mol to 10.0 kJ/mol? Do the calculation at two temperatures: first at 25.0°C and then at 0.0°C. (20 points) (V) Helpful Stuff Thermodynamics: AG° = AH-TAS Nernst Equation: 6 = 6 - (RT/nF)InQ AG=RTIK At 25°C: 8 = 6 - (0.0591/n)logQ AGRT Ke=e AGⓇ =-nF8° Units/Constants: Volt: 1 V = 1 J/C Faraday: 1 F = 96,485 C/mole Arrhenius Equation:...

A catalyst lowers the activation energy for a particular reaction from 75.0 kJ mol−1to 40.0 kJ...

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
The best description of how a catalyst makes a reaction proceed at a faster rate is...

The best description of how a catalyst makes a reaction proceed at a faster rate is a. A catalyst increases the kinetic energy of the reactant particles. b. A catalyst provides an alternate path for the reaction and effectively lowers the activation energy. c. A catalyst lowers the average energy of the product molecules. d. A catalyst changes the position of equilibrium by shifting the reaction towards the products. e. A catalyst raises height of the energy barrier required for...
Suppose that a catalyst lowers the activation barrier of a reaction from 121 kJ/mol to 59...

Suppose that a catalyst lowers the activation barrier of a reaction from 121 kJ/mol to 59 kJ/mol . Part A By what factor would you expect the reaction rate to increase at 25 ∘C? (Assume that the frequency factors for the catalyzed and uncatalyzed reactions are identical.) Express your answer using two significant figures. <Topic_6_kinetics Exercise 14.81 31 of 32 > A Review | Constants Periodic Table Suppose that a catalyst lowers the activation barrier of a reaction from 121...

The activation energy for a reaction is 15 kJ mol-1 at 27° C. A catalyst lowers...

The activation energy for a reaction is 15 kJ mol-1 at 27° C. A catalyst lowers the activation energy to 10 kJ mol at the same temperature. By what factor is the reaction rate increased? Assume that the reactant concentrations and the pre-exponential factor in the Arrhenius equation are unchanged. O A. 1.5 OB. 1.1 OC. 0.67 O D.7.4 O E. 1.7 x 107 Reset Selection
15) Suppose that a catalyst lowers the activation energy of a reaction from 115kJ/mol to 95kJ/mol...

15) Suppose that a catalyst lowers the activation energy of a reaction from 115kJ/mol to 95kJ/mol. By what factor would the rate increase at 25°C? a) 1.2 b) 336 c) 3000 d) 11000 e) 6 x 1041 15) Suppose that a catalyst lowers the activation energy of a reaction from 115kJ/mol to 95kJ/mol. By what factor would the rate increase at 25°C? a) 1.2 b) 336 c) 3000 d) 11000 e) 6 x 1041
Suppose that a catalyst lowers the activation barrier of a reaction from 128 kJ mol−1kJ mol−1...

Suppose that a catalyst lowers the activation barrier of a reaction from 128 kJ mol−1kJ mol−1 to 55 kJ mol−1kJ mol−1 . By what factor would you expect the reaction rate to increase at 25 ∘C∘C?

Suppose that a catalyst lowers the activation barrier of a reaction from 121 kJ mol−1 to...

Suppose that a catalyst lowers the activation barrier of a reaction from 121 kJ mol−1 to 55 kJ mol−1 By what factor would you expect the reaction rate to increase at 25 ∘C? (Assume that the frequency factors for the catalyzed and uncatalyzed reactions are identical.)

5. How much faster would a reaction be if a catalyst is used that lowers the...

Homework Answers