At elevated temperatures, HI reacts according to the chemical equation 2 HI(g) → H2(g) + L(g) At 443°C, the rate of the reaction increases with concentration of HI as follows: [HI] (mol L-') Rate (mol L-1s-') 0.0050 0.010 0.020 7.5 x 10-4 3.0 x 10-3 1.2 x 10-2 (a) Determine the order of the reaction and write the rate expression. (b) Calculate the rate constant, and give its units. (c) Calculate the reaction rate for a 0.0020 M concentration of HI.

At elevated temperatures, HI reacts according to the chemical equation 2 HI(g) → H2(g) + L(g) At 443°C, the rate of the reaction increases with concentration of HI as follows: [HI] (mol L-') Rate (mol L-1s-') 0.0050 0.010 0.020 7.5 x 10-4 3.0 x 10-3 1.2 x 10-2 (a) Determine the order of the reaction and write the rate expression. (b) Calculate the rate constant, and give its units. (c) Calculate the reaction rate for a 0.0020 M concentration of HI.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

At elevated temperatures, HI reacts according to the chemical equation
2 HI(g) → H2(g) + L(g)
At 443°C, the rate of the reaction increases with concentration of HI as follows:
[HI] (mol L-')
Rate (mol L-1s-')
0.0050
0.010
0.020
7.5 x 10-4
3.0 x 10-3
1.2 x 10-2

(a) Determine the order of the reaction and write the rate expression.
(b) Calculate the rate constant, and give its units.
(c) Calculate the reaction rate for a 0.0020 M concentration of HI.

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