/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 8 What is a triple point?... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

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.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Phases of Matter
Matter can exist in different forms, known as phases, primarily categorized as solid, liquid, and gas. Each phase has distinct physical properties due to how the molecules are arranged and move. For example:
  • In a solid, molecules are tightly packed and can only vibrate in place, leading to a definite shape and volume.
  • In a liquid, molecules are close but free to move past each other, allowing it to take the shape of its container while maintaining a constant volume.
  • In a gas, molecules are far apart and move freely, filling any container they are in, which means they have neither a fixed shape nor volume.
Transitions between these phases, such as melting, freezing, evaporation, and condensation, involve changes in energy and often occur under specific temperature and pressure conditions. The understanding of phases is crucial in thermodynamics as it explains familiar phenomena and is fundamental to explaining concepts like the triple point.
Phase Diagram
A phase diagram is a graphical representation that shows the conditions of temperature and pressure at which a substance exists in different phases. They are crucial for understanding the stability of each phase under varying conditions.
One axis typically denotes temperature, while the other represents pressure. The regions within the diagram define where a particular phase is stable.
  • The lines or boundaries on a phase diagram represent conditions where two phases coexist in equilibrium, known as phase boundaries.
  • The intersection point of these phase boundaries is the triple point, where all three phases coexist.
Understanding phase diagrams is essential in thermodynamics, as it helps visualize how a substance transitions between different phases and the specific conditions under which these transitions happen, including the critical triple point of a substance.
Thermodynamics
Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy. It explains how energy affects matter, particularly through processes involving heat transfer.
This field of study is fundamental in understanding how energy conversion and efficiency impacts real-world processes. Several laws govern thermodynamics:
  • The First Law states that energy cannot be created or destroyed, only transformed from one form to another, such as heat, work, and internal energy.
  • The Second Law states that the entropy of an isolated system always increases over time, guiding the direction of thermodynamic processes and ensuring they proceed in a certain manner, often leading to equilibrium phases.
In the context of the triple point, thermodynamics provides insight into how energy exchange governs the coexistence of phases in equilibrium at this critical point. Understanding these fundamentals allows for predictive insights into how substances behave under varied thermal conditions.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

How do you calculate the entropy change during a change of state at equilibrium?

The enthalpy of vaporization of butane, \(\mathrm{C}_{4} \mathrm{H}_{10},\) is 22.44 \(\mathrm{kJ} / \mathrm{mol}\) , and the entropy of vaporization is 82.2 \(\mathrm{J} / \mathrm{mol} \cdot \mathrm{K}\) .

Explain why liquid water at 273.0 \(\mathrm{K}\) will not melt in terms of Gibbs energy.

Explain why steam produces much more severe burns than the same amount of boiling water does.

Prepare a report about the adjustments that must be made when cooking and baking at high elevations. Collect instructions for high- elevation adjustments from packages of prepared food mixes. Explain why changes must be made in recipes that will be prepared at high elevations. Check your library for cook-books that contain information about food preparation at high elevations.
See all solutions

Recommended explanations on Chemistry Textbooks

The Earths Atmosphere

Read Explanation

Chemistry Branches

Read Explanation

Nuclear Chemistry

Read Explanation

Physical Chemistry

Read Explanation

Chemical Analysis

Read Explanation

Inorganic Chemistry

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.