12 Questions
What is the preferred measure of composition in a solution that does not depend on temperature or pressure?
Molality
In binary solutions, what term is used to refer to the component present in the largest amount?
Solvent
What is the total moles of a mixture symbolized as?
n = ∑ni
Which equation represents the total system property ( M ) in a mixture?
M = ∑(ni M̄ i )
What property does not depend on temperature or pressure in a solution?
Mass fraction
At a constant number of moles, what remains constant for a solution?
Composition (x)
What property is used to express the mixture property in the equation Mmix = ∑(xi M̄ i ) ?
Mole fraction
In the special case where volume is constant, what does Δ G(mix )=RT∑ xi ln xi simplify to?
Δ G(mix )=RT∑ xi ln xi
What is the new thermodynamic constant introduced to maintain simplicity in real gas mixtures?
Fugacity (f)
What does the equation μi (p,T)= μo i (T)+ RT ln fi (p) represent for real gas mixtures?
Free energy change calculation
Which property is used to calculate the change in thermodynamic property on mixing according to the given equations?
Gibbs energy
Dalton's Law relates the total pressure of a gas mixture to which of the following properties?
Mole fraction
This quiz covers different measures of composition in solutions, including mole fraction, mass fraction, volume fraction, molarity, and molality. It discusses examples such as air and solid solutions in the Fe-C system.
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