Concept explainers
(a)
Interpretation:
Balanced equation for decomposition of
Concept Introduction:
Dolton’s law of partial pressure gives relation between total pressure of mixture of gases and partial pressure of individual gases. The expression of relation can be represented as follows:
Here,
A and B are individual gases.
Here,
(a)

Explanation of Solution
Decomposition of
To balance the reaction (1), add coefficient 2 for
Hence balance equation for decomposition of
(b)
Interpretation:
Pressure of
Concept Introduction:
Refer to part (a).
(b)

Answer to Problem 3.7E
Pressure of
Explanation of Solution
Number of moles of
The expression to calculate pressure of gas is as follows:
The conversion factor to convert
Substitute
Hence pressure of
(c)
Interpretation:
Pressure of gas if whole
Concept Introduction:
Refer to part (a).
(c)

Answer to Problem 3.7E
Pressure of
Explanation of Solution
Balance equation for decomposition of
Since
Hence pressure of
(b)
Interpretation:
Mole fractions of
Concept Introduction:
Refer to part (a).
(b)

Answer to Problem 3.7E
Mole fraction for
Explanation of Solution
Balanced equation for decomposition of
Initial partial pressure of
Total pressure at equilibrium
Thus at equilibrium, pressure of
Expression for mole fraction is follows:
Here,
Since pressure is directly proportional to moles at constant temperature and volume thus equation (3) for
Substitute
Equation (1) for
Substitute
Hence mole fraction for
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Chapter 3 Solutions
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