Composition Measures in Solutions Quiz
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Questions and Answers

What is the preferred measure of composition in a solution that does not depend on temperature or pressure?

  • Mass fraction
  • Volume fraction
  • Molality (correct)
  • Mole fraction
  • In binary solutions, what term is used to refer to the component present in the largest amount?

  • Mole ratio
  • Volume ratio
  • Solvent (correct)
  • Solute
  • What is the total moles of a mixture symbolized as?

  • M = ∑(ni M̄ i )
  • n = ∑ni (correct)
  • Σni
  • d(nM) = ∑(ni dM̄ i ) + ∑ (M̄ i dni)
  • Which equation represents the total system property ( M ) in a mixture?

    <p>M = ∑(ni M̄ i )</p> Signup and view all the answers

    What property does not depend on temperature or pressure in a solution?

    <p>Mass fraction</p> Signup and view all the answers

    At a constant number of moles, what remains constant for a solution?

    <p>Composition (x)</p> Signup and view all the answers

    What property is used to express the mixture property in the equation Mmix = ∑(xi M̄ i ) ?

    <p>Mole fraction</p> Signup and view all the answers

    In the special case where volume is constant, what does Δ G(mix )=RT∑ xi ln xi simplify to?

    <p>Δ G(mix )=RT∑ xi ln xi</p> Signup and view all the answers

    What is the new thermodynamic constant introduced to maintain simplicity in real gas mixtures?

    <p>Fugacity (f)</p> Signup and view all the answers

    What does the equation μi (p,T)= μo i (T)+ RT ln fi (p) represent for real gas mixtures?

    <p>Free energy change calculation</p> Signup and view all the answers

    Which property is used to calculate the change in thermodynamic property on mixing according to the given equations?

    <p>Gibbs energy</p> Signup and view all the answers

    Dalton's Law relates the total pressure of a gas mixture to which of the following properties?

    <p>Mole fraction</p> Signup and view all the answers

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