Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, and hydrogen prepared by reforming natural gas, in a two-step process. In the first step, nitrogen and hydrogen react to form ammonia: N2g + 3H2g -> 2NH3g In the second step, ammonia and oxygen react to form nitric acid HNO3  and water:   NH3g + 2O2g + HNO3g -> H2Og Suppose the yield of the first step is 78.%  and the yield of the second step is  79.% . Calculate the mass of hydrogen required to make  5.0kg  of nitric acid.   Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability
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Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, and hydrogen prepared by reforming natural gas, in a two-step process. In the first step, nitrogen and hydrogen react to form ammonia:

N2g + 3H2g -> 2NH3g

In the second step, ammonia and oxygen react to form nitric acid

HNO3

 and water:

 

NH3g + 2O2g + HNO3g -> H2Og

Suppose the yield of the first step is

78.%

 and the yield of the second step is 

79.%

. Calculate the mass of hydrogen required to make 

5.0kg

 of nitric acid.

 

Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits.

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