Answered: 2. If k= 9.6 x 10-4 mol-1 L s-1 and the…

2. If k= 9.6 x 10-4 mol-1 L s-1 and the initial concentration of A is 1.04 mol L-1, what is the half life of this reaction in minutes? 15010 A 57310 4

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.96PAE: The following statements relate to the reaction for the formation of HI: H2(g) + I2(g) -* 2 HI(g)...

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1. The following chemical reaction: A → products shows first order kinetics with respect to A; rate = k[A]. Assume k = 14.08 x 10-5 s-1. If the concentration
of A is 0.152 mol L-1 at 1.65 hours after the reaction starts, what was the concentration of A (in mol L-1) when the reaction started? 2. The following
chemical reaction: A → products shows second order kinetics with respect to A; rate = k[A]
2. If k= 9.6 x 10-4 mol-1 L s-1 and the initial concentration of A is 1.04 mol L-1, what is the half life of this reaction in minutes?
3. The following chemical reaction: A → products shows second order kinetics with respect to A; rate = K[A]2. Assume k = 5.73 x 10-4 mol-1 L s-1. If the
initial concentration of A is 0.19 mol L-1, what is the concentration of A (in mol L-1) after 5.41 minutes?
4. The rate constant of a chemical reaction is 6.56 s-1 at a temperature of 20.2 °C. If the activation energy is 45.8 kJ mol-1, what is the rate constant (in s-
1) at 50.6 °C?

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