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Chapter 11: Problem 8

What is a triple point?

Short Answer

Expert verified
A triple point refers to a specific condition of temperature and pressure at which the three phases of a substance (solid, liquid, and gas) coexist in thermal equilibrium.

Step by step solution

01

Introduction to phases

In thermodynamics, substances can exist in different phases, most commonly: solid, liquid, and gas.
02

Definition of Triple Point

The triple point is a specific temperature and pressure at which all three phases (solid, liquid, and gas) of a particular substance coexist in thermal equilibrium.
03

Explanation of the concept

In a phase diagram which shows how the phase of a substance depends on temperature and pressure, the triple point is represented as the point where the boundaries separating the different phases intersect. At this unique set of conditions, the substance can exist as solid, liquid and gas simultaneously.

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