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Chapter 1: Problem 37

Name and describe the three states of matter.

Short Answer

Expert verified
The three states of matter are solid, liquid, and gas.

Step by step solution

01

Understand the Task

Read the question carefully and identify the need to describe the three states of matter: solid, liquid, and gas.
02

Describe Solid State

Solids have a definite shape and volume due to closely packed particles. The particles vibrate in place but do not move from their positions, giving solids their rigidity.
03

Describe Liquid State

Liquids have a definite volume but take the shape of their container, as their particles are less tightly packed than solids. This allows particles to slide past one another, giving liquids a fluid nature.
04

Describe Gas State

Gases have neither a definite shape nor a definite volume, because their particles are far apart and move freely. This allows gases to expand to fill their container.

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Key Concepts

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

Solid State
In the solid state, matter has a definitive shape and volume. This occurs because the particles within a solid are packed closely together. Imagine a dense stack of Lego blocks; each piece is tightly joined to its neighboring piece, allowing for minimal movement.
In solids, particles vibrate in place but do not easily slide past each other. This vibration is influenced by energy in the environment; however, the arrangement of particles remains fixed and orderly.
This rigidity gives solids their characteristic strength and stability. It's why a rock retains its shape and doesn't flow or conform to different containers or surfaces, regardless of how it is positioned.
Liquid State
Liquids possess a fixed volume but not a fixed shape. The particles in a liquid are less tightly packed compared to those in solids. This slightly looser arrangement allows them to move around more freely, sliding past each other. Picture a handful of small marbles distributed in a bowl, freely adjusting to take the shape of the bowl.
Unlike solids, liquids can change shape based on the container they occupy, hence they are known as fluids. Despite this flexibility, they still maintain a constant volume. For instance, whether water is in a wide dish or a tall narrow glass, the amount of water remains consistent, even though its shape changes.
Gas State
In the gas state, matter has neither a fixed shape nor a fixed volume. The particles in a gas are spread out and move independently of each other. This means gases can expand or compress to fill any container they are in.
Imagine a bunch of balloons floating around in a room; they can move freely, changing direction and speed as they go. Similarly, gas particles are constantly in motion and have large distances between them.
This freedom and spacing between particles give gases the ability to diffuse quickly and assume the shape and volume of their container, as seen when air fills up a balloon. Gases can also be compressed, which is often utilized in pressurized containers.

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