Concept explainers
(a)
Interpretation:
Total pressure of mixture has to be determined.
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.
Mole fraction is a relation between moles of constituent and total moles of all constituent in mixture. The expression of relation can be represented as follows:
Here,
(a)

Answer to Problem 3C.4E
Partial pressure of
Explanation of Solution
The expression to calculate number of moles of
Substitute
The expression to calculate number of moles of
Substitute
The expression to calculate number of moles of
Substitute
Therefore, the mole fraction for
The expression to calculate total pressure form partial pressure nitrogen gas is as follows:
Here,
Substitute
(b)
Interpretation:
Volume of sample mixture has to be determined.
Concept Introduction:
An ideal gas contains a large number of randomly moving particles that are supposed to have perfectly elastic collisions among themselves. It is a theoretical concept. Gases that show perfect elastic collision are practically not possible. At higher
Here,
(b)

Answer to Problem 3C.4E
Volume of sample mixture is
Explanation of Solution
Total number of moles of sample can be calculated as follows:
The expression to calculate volume of sample is as follows:
Substitute
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Chapter 3 Solutions
ACHIEVE/CHEMICAL PRINCIPLES ACCESS 1TERM
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