The structures of solid and liquids are to be envisioned. The comparison between the physical and structural properties of liquid, solid and gaseous substances is to be explained. The explanation corresponding to the statement that the structures of the solid and liquid states of a substance are more comparable to each other than to the properties of substance in the gaseous state is to be stated. Concept Introduction: A matter has three states-solid, liquid and gas. All these three states can be converted into each other by changing the temperature or pressure of the system. The kinetic energy of the particles is very high in gaseous state and comparatively low in the liquid state. The kinetic energy of particle in solid state is negligible. The liquid, solid and gaseous states show variation in structural and physical properties.

Question

3.3 Consider the variation of molar Gibbs energy with pressure. 3.3.1 Write the mathematical expression for the slope of graph of molar Gibbs energy against 3.3.2 pressure at constant temperature. Draw in same diagram graphs showing variation with pressure of molar Gibbs energies of a substance in gaseous, liquid and solid forms at constant temperature. 3.3.3 Indicate in your graphs melting and boiling points. 3.3.4 Indicate for the respective phases the regions of relative stability.

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Chapter 15, Problem 14CR

Interpretation Introduction

Interpretation:

The structures of solid and liquids are to be envisioned. The comparison between the physical and structural properties of liquid, solid and gaseous substances is to be explained. The explanation corresponding to the statement that the structures of the solid and liquid states of a substance are more comparable to each other than to the properties of substance in the gaseous state is to be stated.

Concept Introduction:

A matter has three states-solid, liquid and gas. All these three states can be converted into each other by changing the temperature or pressure of the system. The kinetic energy of the particles is very high in gaseous state and comparatively low in the liquid state. The kinetic energy of particle in solid state is negligible. The liquid, solid and gaseous states show variation in structural and physical properties.

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