CO hydrogenation to form CH4: CO + 3H2 --> CH4 + H2O occurs on a Ru/SiO2 catalyst and is used to remove traces of CO from H2 streams used in fuel cell applications where ultra-high purity H2 is required. This reaction occurs through the following steps: (1) CO + * <--> CO* (2) H2 +2* <--> 2 H* (3) CO* + * <--> C* + O* (4) C* + H* --> CH* + * (5) CH* + H* --> CH2* + * (6) CH2* + H* --> CH3* + * (7) CH3* + H* --> CH4 + 2* (8) O* + H* <--> OH* + * (9) OH* + H* <--> H2O + 2* where steps 1, 2, 3, 8, and 9 can all be considered quasi-equilibrium. a) what is the stoichiometric number of each step?
CO hydrogenation to form CH4: CO + 3H2 --> CH4 + H2O occurs on a Ru/SiO2 catalyst and is used to remove traces of CO from H2 streams used in fuel cell applications where ultra-high purity H2 is required. This reaction occurs through the following steps: (1) CO + * <--> CO* (2) H2 +2* <--> 2 H* (3) CO* + * <--> C* + O* (4) C* + H* --> CH* + * (5) CH* + H* --> CH2* + * (6) CH2* + H* --> CH3* + * (7) CH3* + H* --> CH4 + 2* (8) O* + H* <--> OH* + * (9) OH* + H* <--> H2O + 2* where steps 1, 2, 3, 8, and 9 can all be considered quasi-equilibrium. a) what is the stoichiometric number of each step?
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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CO hydrogenation to form CH4:
CO + 3H2 --> CH4 + H2O
occurs on a Ru/SiO2 catalyst and is used to remove traces of CO from H2 streams used in fuel cell applications where ultra-high purity H2 is required.
This reaction occurs through the following steps:
(1) CO + * <--> CO*
(2) H2 +2* <--> 2 H*
(3) CO* + * <--> C* + O*
(4) C* + H* --> CH* + *
(5) CH* + H* --> CH2* + *
(6) CH2* + H* --> CH3* + *
(7) CH3* + H* --> CH4 + 2*
(8) O* + H* <--> OH* + *
(9) OH* + H* <--> H2O + 2*
where steps 1, 2, 3, 8, and 9 can all be considered quasi-equilibrium.
a) what is the stoichiometric number of each step?
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