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Arrhenius Equation

Q. Calculate the Energy of Activation for a reaction if the specific rate constant at 35oC is 3.2 x 10-5 sec-1 and the specific rate constant at 42oC is 5.9 x 10-5 sec-1

Solved • May 6, 2020

Arrhenius Equation

Q. 19. What value was actually measured to derive a number that was related to the rate constant? 20. From the graph, it appears that plotting the LN(k) vs. 1/T provides a stratight line. What is the equation from which this relationship was derived? 21. Calculate the value for the energy of activation from the data provided. 22. What is the expected result on the rate of the reaction if the temperature is increased? 23. How was the “end” of the reaction signaled in the reaction as performed in the

Solved • May 3, 2020

Arrhenius Equation

Q. Based on the data in the following table, what will be the value of k at 655 K? T (K) 625 635 645 k (s^-1) 1.1x10^-4 1.5x10^-4 2.0x10^-4. (Enter your answer in scientific notation)

Solved • Apr 11, 2020

Arrhenius Equation

Q. Enter your answer in the provided box. The rate at which tree crickets chirp is 1.80x102 per minute at 29°C but only 36.6 per minute at 5.0 °C. From these data, calculate the activation energy for the chirping process. _ kJ/mol

Solved • Apr 11, 2020

Arrhenius Equation

Q. Identify which of the following reactions will have the largest orientation factor (or steric factor) .a)Enzyme + Substrate → Enzyme-SubstrateComplex b)Cl + O2→ClO2 c)I−+ CH3Br → CH3I +Br d)CH2+ CH2→C2H4e)C2H4+ C2H4→C4H8

Solved • Apr 7, 2020

Arrhenius Equation

Q. The frequency factor for a reaction is 1.72x10^10 s^-1. If the rate constant is 5.36x10^4 s^-1 at 300 K, what will the rate constant be at 400 K.

Solved • Apr 6, 2020

Arrhenius Equation

Q. 9. At elevated temperatures, methylisonitrile (CH3NC) isomerizes to acetonitrile (CH3CN): CH3NC(g)→ CH3CN(g). The dependence of the rate constant on temperature is studied and the graph below is prepared from the results. The energy of activation of this reaction is _ kJ/mol. Show calculations below.

Solved • Apr 5, 2020