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

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

<p>It is a metastable system (A)</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 (C)</p> Signup and view all the answers

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

<p>4 (C)</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 (C)</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 (D)</p> Signup and view all the answers

What is the region represented by Area BOC?

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

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