Hydrogen iodide, HI decomposes at moderate temperatures according to the equation 2 HI (g) ↔ H2 (g) + I2 (g) The amount of I2 in the reaction mixture can be determined from the intensity of the violet color of I2; the more intense the color, the more I2 in the reaction vessel. When 4.00 mole HI was places in a 5.00 L vessel at 458ºC, the equilibrium mixture was found to contain 0.442 mole I2. What is the value of K?

The initial concentration of HI is equal to 4/5 = 0.8 M The ICE table can be drawn as follows:

Answered: Hydrogen iodide, HI decomposes at…

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

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

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Hydrogen iodide, HI decomposes at moderate temperatures according to the equation

2 HI (g) ↔ H₂ (g) + I₂ (g)

The amount of I₂ in the reaction mixture can be determined from the intensity of the violet color of I₂; the more intense the color, the more I₂ in the reaction vessel. When 4.00 mole HI was places in a 5.00 L vessel at 458ºC, the equilibrium mixture was found to contain 0.442 mole I₂. What is the value of K?

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