Consider the reaction of hydrogen sulfide with methane, given below: 1 CH4(g) + 2 H2S(g)  1 CS2(g) + 4 H2(g) If CH4(g) is decreasing at the rate of 0.580 mol/s, what are the rates of change of H2S(g), CS2(g), and H2(g)?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 99QRT
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(a) Consider the reaction of hydrogen sulfide with methane, given below:

1 CH4(g) + 2 H2S(g)  1 CS2(g) + 4 H2(g)

If CH4(g) is decreasing at the rate of 0.580 mol/s, what are the rates of change of H2S(g), CS2(g), and H2(g)?



H2S(g)/t =  mol/s

CS2(g)/t =  mol/s

H2(g)/t =  mol/s




(b) The decomposition reaction given below:

2 NOCl(g)  2 NO(g) + 1 Cl2(g)

is carried out in a closed reaction vessel. If the partial pressure of NOCl(g) is decreasing at the rate of 733 torr/min, what is the rate of change of the total pressure in the vessel?



Ptot /t =  torr/min

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