The decomposition of hydrogen iodide on finely divided gold at 150°C is zero order with respect to HI. The rate defined below is constant at 1.20 × 10ª mol/L. s. 2HI (g) →H2 (g) + I2 (g) Rate =- A[HI k= 1.22×104 mol/L. s. At i. a-If the initial HI concentration was 0.250 mol/L, calculate the concentration of HI at 25 minutes after the start of the reaction. ii. How long will it take for all of the 0.250 M HI to decompose?

The decomposition of hydrogen iodide on finely divided gold at 150°C is zero order with respect to HI. The rate defined below is constant at 1.20 × 10ª mol/L. s. 2HI (g) →H2 (g) + I2 (g) Rate =- A[HI k= 1.22×104 mol/L. s. At i. a-If the initial HI concentration was 0.250 mol/L, calculate the concentration of HI at 25 minutes after the start of the reaction. ii. How long will it take for all of the 0.250 M HI to decompose?

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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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

The decomposition of hydrogen iodide on finely divided gold at 150°C is zero order with
respect to HI. The rate defined below is constant at 1.20 × 10ª mol/L. s.
2HI (g) →H2 (g) + I2 (g)
Rate =-
A[HI
k= 1.22×104 mol/L. s.
At
i.
a-If the initial HI concentration was 0.250 mol/L, calculate the concentration of HI
at 25 minutes after the start of the reaction.
ii.
How long will it take for all of the 0.250 M HI to decompose?

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