Solid : Solid is a sample of matter that retains its shape and density when not confined. Stronger forces of attraction exist between atom/ions/ molecules. Liquid: A liquid is a sample of matter that conforms to shape of container in which acquires a defined surface in the presence of gravity. In this state weaker force exist between atoms/ ions/ molecules. Gas: A gas is a sample of matter that conforms to the shape of container in which it is placed and acquires whole volume of container. Negligible forces of attraction exist between atoms/ions/molecules. Supercritical fluid: Fluid over its critical temperature and pressure exhibiting good solvent power. Boling point: The boiling point of a substance is the temperature at which the vapour pressure of the liquid equal the pressure surrounding the liquid and liquid change in vapour Normal point: The normal boiling point of a substance is defined as the temperature at which the vapour pressure of the liquid becomes equal to 1 a t m at the sea level. Concept introduction: This is the generic phase diagram. This graph show phase change as a function of temperature and pressure. To determine: Nitrogen has normal Boiling point at 77.3 K and a melting point ( at 1atm ) of 63.1 K its critical temperature is 126.2 K , and its critical pressure is 2.55 torr it has triple point at 63.1 K and 94.0 torr sketch the phase diagram for nitrogen. Does nitrogen have a stable liquid state at 1 a t m

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Chapter 13, Problem 21E

Interpretation Introduction

Interpretation:

Solid: Solid is a sample of matter that retains its shape and density when not confined. Stronger forces of attraction exist between atom/ions/ molecules.

Liquid: A liquid is a sample of matter that conforms to shape of container in which acquires a defined surface in the presence of gravity. In this state weaker force exist between atoms/ ions/ molecules.

Gas: A gas is a sample of matter that conforms to the shape of container in which it is placed and acquires whole volume of container.

Negligible forces of attraction exist between atoms/ions/molecules.

Supercritical fluid: Fluid over its critical temperature and pressure exhibiting good solvent power.

Boling point: The boiling point of a substance is the temperature at which the vapour pressure of the liquid equal the pressure surrounding the liquid and liquid change in vapour

Normal point: The normal boiling point of a substance is defined as the temperature at which the vapour pressure of the liquid becomes equal to $1 a t m$ at the sea level.

Concept introduction:

This is the generic phase diagram. This graph show phase change as a function of temperature and pressure.

To determine:

Nitrogen has normal Boiling point at $77.3 K$ and a melting point $(at 1atm)$ of $63.1 K$ its critical temperature is $126.2 K,$ and its critical pressure is $2.55$ torr it has triple point at $63.1 K$ and $94.0$ torr sketch the phase diagram for nitrogen. Does nitrogen have a stable liquid state at $1 a t m$

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