When a can of a carbonated drink is opened, the carbon dioxide gas inside expands rapidly and rushes out from the can. This process has to be described in terms of the kinetic molecular theory. Concept Introduction: Kinetic molecular theory: This theory explains the laws that describe the behaviour of gases. It is based on five postulates. 1. A gas is composed of a large number of particles which are called molecules that are in constant random motion. 2. The distance between gas molecules is much greater than the size of molecules. Hence, the volume of the molecules is negligible. 3. Intermolecular interactions are so weak. Hence, they are also negligible. 4. Gas molecules collide with one another and with the walls of the container. These collisions are elastic collisions. They do not change the average kinetic energy of the molecules. 5. The average kinetic energy of the molecules depends only on the temperature.

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Chapter 1, Problem 47QRT

Interpretation Introduction

Interpretation:

When a can of a carbonated drink is opened, the carbon dioxide gas inside expands rapidly and rushes out from the can. This process has to be described in terms of the kinetic molecular theory.

Concept Introduction:

Kinetic molecular theory:

This theory explains the laws that describe the behaviour of gases. It is based on five postulates.

1. A gas is composed of a large number of particles which are called molecules that are in constant random motion.

2. The distance between gas molecules is much greater than the size of molecules. Hence, the volume of the molecules is negligible.

3. Intermolecular interactions are so weak. Hence, they are also negligible.

4. Gas molecules collide with one another and with the walls of the container. These collisions are elastic collisions. They do not change the average kinetic energy of the molecules.

5. The average kinetic energy of the molecules depends only on the temperature.

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