Phase Components in Chemistry
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Questions and Answers

What is the value of F for a system at the triple point?

  • -1
  • 2
  • 0 (correct)
  • 1

    • What happens when either pressure or temperature is changed at the triple point?

  • Two phases disappear
  • One phase disappears (correct)
  • No phase disappears
  • All phases disappear

    • What is the number of degrees of freedom for a system with one phase and one component?

  • 2 (correct)
  • 4
  • 3
  • 1

    • What is the region represented by Area AOC?

    <p>Conditions for the one-phase system water</p> Signup and view all the answers

    What is the characteristic of a supercooled water/vapour system?

    <p>It is a metastable system</p> Signup and view all the answers

    What happens when a crystal of ice is introduced to a supercooled water/vapour system?

    <p>It reverts to the stable system ice/vapour</p> Signup and view all the answers

    How many phases are present in a supercooled water/vapour system?

    <p>4</p> Signup and view all the answers

    What is the difference between the vapour pressure curve of water and the dashed line OA'?

    <p>The dashed line OA' represents the metastable system</p> Signup and view all the answers

    What is the characteristic of a system with one component and three phases?

    <p>It is a nonvariant system</p> Signup and view all the answers

    What is the region represented by Area BOC?

    <p>Conditions for the one-phase system ice</p> Signup and view all the answers

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