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Questions and Answers
What is a phase diagram?
What is a phase diagram?
- A graphical representation of the physical states of a substance under different conditions of temperature and pressure (correct)
- A diagram showing the electrical phases of a substance
- A diagram depicting the chemical composition of a substance
- A diagram illustrating the phase transition of a substance under constant pressure
What does the triple point on a phase diagram represent?
What does the triple point on a phase diagram represent?
- The point where a substance transitions from solid to liquid phase
- The temperature and pressure at which all three phases of a substance coexist in equilibrium (correct)
- The pressure at which a substance becomes a supercritical fluid
- The maximum temperature a substance can reach without vaporizing
What happens to the boiling point of a substance as pressure increases?
What happens to the boiling point of a substance as pressure increases?
- It decreases
- It depends on the substance's chemical composition
- It remains constant
- It increases (correct)
