Consider the combustion of ammonia, given below: 4 NH3(g) + 5 O2(g)  4 NO(g) + 6 H2O(g) If NH3(g) is decreasing at the rate of 0.440 mol/s, what are the rates of change of O2(g), NO(g), and H2O(g)? O2(g)/t = ______ mol/s NO(g)/t = _____ mol/s H2O(g)/t =______  mol/s

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
Section11.1: Reaction Rate
Problem 11.3CE
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HWK3/7

(a) Consider the combustion of ammonia, given below:

4 NH3(g) + 5 O2(g)  4 NO(g) + 6 H2O(g)

If NH3(g) is decreasing at the rate of 0.440 mol/s, what are the rates of change of O2(g), NO(g), and H2O(g)?

  1. O2(g)/t = ______ mol/s
  2. NO(g)/t = _____ mol/s
  3. H2O(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 555 torr/min, what is the rate of change of the total pressure in the vessel?

Ptot /t = ______ torr/min

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