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Phase Diagrams
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Which of the following statements about phase diagrams are true? (Select all that apply)

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A

Phase diagrams can show the relationship between temperature and pressure for a substance.

B

The triple point on a phase diagram indicates where solid, liquid, and gas phases coexist.

C

Phase diagrams only apply to solid substances.

D

The boiling point of a substance can vary depending on the pressure depicted in the phase diagram.

E

Phase diagrams are only useful for gases.

Understanding the Answer

Let's break down why this is correct

Phase diagrams map temperature and pressure and show where a substance is solid, liquid, or gas. Other options are incorrect because Many people think diagrams only work for solids, but they also show liquids and gases; Some say diagrams only help with gases, but they also show liquids and solids.

Key Concepts

Phase Diagrams
States of Matter
Thermodynamics
Topic

Phase Diagrams

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easy level question

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Definition
Definition

Phase diagrams in Chemistry represent the states of matter (solid, liquid, gas) of a substance at different pressures and temperatures. They show how state transitions occur, such as melting, boiling, and sublimation, providing a visual guide to understand the behavior of substances under varying conditions.

Topic Definition

Phase diagrams in Chemistry represent the states of matter (solid, liquid, gas) of a substance at different pressures and temperatures. They show how state transitions occur, such as melting, boiling, and sublimation, providing a visual guide to understand the behavior of substances under varying conditions.

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