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Arrhenius Equation

Q. 11) The aquation of tris(1, 10-phenanthroline)iron(II) in acid solution takes place according to the equation: Fe(phen)32+ + 3 H3O+ + 3 H2O →Fe(H2O)62+ + 3 phenH+. If the activation energy, Ea, is 126 kJ/mol and the rate constant at 30°C is 9.8 × 10-3 min-1, what is the rate constant at 50°C?

Solved • Jun 25, 2019

Arrhenius Equation

Q. 10) The reaction for the decomposition of dinitrogen monoxide gas to form an oxygen radical is: N2O(g) →N2(g) + O(g) . If the activation energy is 250 kJ/mol and the frequency factor is 8.0 × 1011 s-1, what is the rate constant for the first-order reaction at 1000 K? A) 1.1 × 10-3 s-1 B) 7.0 × 10-2 s-1 C) 9.1 × 1024 s-1 D) 1.6 × 1013 s-1

Solved • Jun 25, 2019

Arrhenius Equation

Q. 9) The reaction for the decomposition of dinitrogen monoxide gas to form oxygen radicals is: N2O(g) →N2(g) + O(g) . If the rate constant is 3.04 × 10-2 s-1 and the frequency factor is 8.00 × 1011 s-1, what is the activation energy for the first-order reaction at 700°C? A) 250 kJ/mol B) 38.2 kJ/mol C) 180 kJ/mol D) 0.262 kJ/mol

Solved • Jun 25, 2019

Arrhenius Equation

Q. The reaction 2NOCl(g) --> 2NO(g) + Cl2(g) has a rate constant value for the reaction of NOCl of 9.5x10-6/s at 350 K and 6.9x10-4/s at 400K. Calculate the activation energy for the reaction. What is the rate constant at 435K?

Solved • Jun 23, 2019

Arrhenius Equation

Q. the reaction 2NOCl --> Cl2 has a rate constant values of nocl of 9.3 x 10^-6/s at 350 K and 6.9 x 10^-4/s at 400K. calculate the activation energy for the reaction. what is the rate constant at 435 K

Solved • Jun 21, 2019

Arrhenius Equation

Q. A first order reaction has an activation energy of 51.3 kJ/mol and a frequency factor (Arrhenius constant) of 5.24 x 1010 sec -1. Calculate the rate constant at 13 oC. Use the nearest whole number.

Solved • Jun 21, 2019

Arrhenius Equation

Q. Calculate the rate constant and activation energy (with the correct units) for the unimolecular reaction at 30% with the provided data:

Solved • Jun 15, 2019