Interpretation:
To determine the entropy change
Concept Introduction:
The partial entropy of mixing
Here, gas constant is
The mole fraction
Here,
The entropy change
Explanation of Solution
Given Information
The number of moles in propanol
The number of moles in ethanol
Write the expression to calculate the total number of moles.
Here, number of moles in Propanol is
Substitute
Write the expression to calculate the mole fraction of Propanol
Substitute
Write the expression to calculate the mole fraction of ethanol
Substitute
The value of gas constant as
Write the expression to calculate the partial entropy of mixing
Substitute
Write the expression to calculate the entropy change
Substitute
Thus, the entropy change
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Chapter 9 Solutions
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