Concept explainers
(a)
Interpretation:
The pressure of tanks of
Concept introduction:
According to Boyle’s law, the volume occupied by the gas is inversely proportional to the pressure at the constant temperature.
The relationship between pressure and volume can be expressed as follows,
Here,
According to Charles's law, the volume occupied by the gas is directly proportional to the temperature at the constant pressure.
The relationship between pressure and temperature can be expressed as follows,
Here,
According to Avogadro’s law, the volume occupied by the gas is directly proportional to the mole of the gas at the constant pressure and temperature.
The relationship between volume and mole can be expressed as follows,
Here,
The ideal gas equation can be expressed as follows,
Here,
(a)

Answer to Problem 5.125P
The pressure of tanks by the ideal gas equation of
Explanation of Solution
The equation for the reaction of
From the equation (1), two moles of the
Substitute the value
From the equation (1), two moles of the
Substitute the value
The formula to convert
Substitute
The expression to calculate the pressure of
Here,
Rearrange the equation (5) to calculate
Substitute the value
The expression to calculate the moles of
Here,
Rearrange the equation (7) to calculate
Substitute the value
The pressure of tanks by the ideal gas equation of
(b)
Interpretation:
The pressure of tanks of
Concept introduction:
The ideal gas equation can be expressed as follows,
Here,
The expression of the van der Waals equation is as follows:
Here,
(b)

Answer to Problem 5.125P
The pressure of tanks by van der Waals equation of
Explanation of Solution
Rearrange the equation (8) to calculate the pressure of
Substitute the value
Rearrange the equation (8) to calculate the pressure of
Substitute the value
The pressure of tanks by van der Waals equation of
(c)
Interpretation:
The result from the two equation is to be compared.
Concept introduction:
The ideal gas equation can be expressed as follows,
Here,
The expression of the van der Waals equation is as follows:
Here,
(c)

Answer to Problem 5.125P
The van der Waals value for hydrogen has a higher value as compared to the
Explanation of Solution
For hydrogen, the van der Waals value for hydrogen has a higher value as compared to the ideal
The van der Waals value for hydrogen has a higher value as compared to the ideal gas law but the van der Waals value has a lower value as compared to the ideal gas law.
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Chapter 5 Solutions
CHEM 212:STUDENT SOLUTION MANUAL
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