Chapter 12, Problem 83A

Interpretation Introduction

Interpretation:

The reason for both gases and liquids to be fluid needs to be explained.

Concept introduction:

The Kinetic Molecular Theory is used to explain the nature of matter.

• Matter is made-up of particles which are always in motion. Their energy due to motion is called kinetic energy.
• The kinetic energy in a substance is directly related to its temperature.
• The space in between particles is related to the substance's state of matter.
• The force of attraction in between particles called intermolecular forces.

Answer to Problem 83A

The space between particles is greater causing high kinetic energy in particles so gases and liquids are fluids.

Explanation of Solution

Fluids are those substances which have capacity to flow so Liquids and gases are called fluids as they can flow. In liquids and gases the particles have more kinetic energy so they are known as fluids.

Conclusion

Due to having high kinetic energy of particles the liquids and gases are fluids.