Which of the following statements is true regarding the phase diagram of a subst

Practice Questions

Q1
Which of the following statements is true regarding the phase diagram of a substance?
  1. The triple point is where all three phases coexist
  2. The critical point is where the solid and liquid phases coexist
  3. The vapor pressure curve separates solid and liquid phases
  4. The solid phase is always more stable than the liquid phase

Questions & Step-by-Step Solutions

Which of the following statements is true regarding the phase diagram of a substance?
  • Step 1: Understand what a phase diagram is. A phase diagram shows the different states (solid, liquid, gas) of a substance at various temperatures and pressures.
  • Step 2: Identify the triple point on the phase diagram. The triple point is a specific point where the lines separating the solid, liquid, and gas phases meet.
  • Step 3: Recognize what happens at the triple point. At this point, all three phases (solid, liquid, and gas) can exist together in balance.
  • Step 4: Conclude that the statement about the triple point being the unique set of conditions for all three phases to coexist is true.
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