Concept explainers
The first step in the Ostwald process for manufacturing nitric acid is the reaction between ammonia and oxygen described by the equation
a) How many moles of ammonia can be oxidized by
b) If the reaction consumes
c) How many grams of ammonia are required to produce
d) If
(a)
Interpretation:
The moles of ammonia that can be oxidized by
Concept introduction:
Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. Stoichiometric coefficient is the number preceding each symbol in an equation which determines the moles of the reactants and products in the reaction.
Answer to Problem 7E
The moles of ammonia that can be oxidized by
Explanation of Solution
The balanced equation for the reaction between ammonia and oxygen are given below.
Therefore,
Therefore mole to mole ratio are given below.
Therefore, two conversion factors from the mole-to-mole ratio are given below.
The conversion factor to obtain moles of
The molar mass of oxygen is
Therefore, the molar mass of
Therefore, the conversion factor to determine moles of
The formula to calculate the number of moles of
The mass of
Substitute the mass of
Therefore, the moles of
The moles of ammonia that can be oxidized by
(b)
Interpretation:
The grams of water will be produced if the reaction consumes
Concept introduction:
Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. Stoichiometric coefficient is the number preceding each symbol in an equation which determines the moles of the reactants and products in the reaction.
Answer to Problem 7E
The grams of water will be produced if the reaction consumes
Explanation of Solution
The balanced equation for the reaction between ammonia and oxygen are given below.
Therefore,
Therefore mole to mole ratio are given below.
Therefore, two conversion factors from the mole-to-mole ratio are given below.
The conversion factor to obtain moles of
The molar mass of oxygen is
The molar mass of hydrogen is
Therefore, the molar mass of
The conversion factor to calculate the grams of
The formula to calculate the number of grams of
The number of moles of
Substitute the moles of
The grams of water will be produced if the reaction consumes
The grams of water will be produced if the reaction consumes
(c)
Interpretation:
The grams of ammonia that are required to produce
Concept introduction:
Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. Stoichiometric coefficient is the number preceding each symbol in an equation which determines the moles of the reactants and products in the reaction.
Answer to Problem 7E
The grams of ammonia that are required to produce
Explanation of Solution
The balanced equation for the reaction between ammonia and oxygen is given below.
Therefore,
Therefore mole to mole ratio is given below.
Therefore, two conversion factors from the mole-to-mole ratio are given below.
The conversion factor to obtain moles of
The molar mass of oxygen is
The molar mass of nitrogen is
Therefore, the molar mass of
Therefore, the conversion factor to obtain moles of
The molar mass of hydrogen is
The molar mass of nitrogen is
Therefore, the molar mass of
Therefore, the conversion factor to obtain grams of
The formula to calculate the grams
The grams of
Substitute the grams of
Therefore, the grams of ammonia that are required to produce
The grams of ammonia that are required to produce
(d)
Interpretation:
The yield of nitrogen monoxide (in grams) is to be stated if
Concept introduction:
Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. Stoichiometric coefficient is the number preceding each symbol in an equation which determines the moles of the reactants and products in the reaction.
Answer to Problem 7E
The yield of nitrogen monoxide (in grams) is
Explanation of Solution
The balanced equation for the reaction between ammonia and oxygen are given below.
Therefore,
Therefore mole to mole ratio are given below.
Therefore, two conversion factors from the mole-to-mole ratio are given below.
The conversion factor to obtain moles of
The molar mass of oxygen is
The molar mass of hydrogen is
Therefore, the molar mass of
The conversion factor to calculate the moles of
The molar mass of oxygen is
The molar mass of nitrogen is
Therefore, the molar mass of
Therefore, the conversion factor to obtain grams of
The formula to calculate the grams of
The grams of
Substitute the grams of
Therefore, the yield of nitrogen monoxide (in grams) is
The yield of nitrogen monoxide (in grams) is
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Chapter 10 Solutions
Introductory Chemistry: An Active Learning Approach
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