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Ch.11 - Liquids and Intermolecular Forces
Chapter 11, Problem 11b

List the three states of matter in order of (b) increasing intermolecular attraction.

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1. The three states of matter are solid, liquid, and gas.
2. Intermolecular attraction refers to the forces between molecules that hold them together. These forces are strongest in solids, intermediate in liquids, and weakest in gases.
3. Therefore, to list the states of matter in order of increasing intermolecular attraction, we start with the state where these forces are weakest.
4. The state with the weakest intermolecular forces is gas. In a gas, the molecules are far apart and move freely, so the forces between them are minimal.
5. Next comes the liquid state, where the molecules are closer together and the intermolecular forces are stronger than in gases but weaker than in solids. Finally, the solid state has the strongest intermolecular forces because the molecules are tightly packed together.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

States of Matter

The three primary states of matter are solid, liquid, and gas. Solids have tightly packed particles that vibrate in place, liquids have particles that are close but can move past each other, and gases have widely spaced particles that move freely. Understanding these states is essential for discussing their properties and behaviors.
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Intermolecular Forces

Intermolecular forces are the attractions between molecules that influence the physical properties of substances. These forces vary in strength, with solids having the strongest intermolecular forces, followed by liquids, and then gases, which have the weakest. Recognizing these forces helps explain why substances behave differently in each state.
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Increasing Intermolecular Attraction

Increasing intermolecular attraction refers to the trend where the strength of forces between particles increases from gas to liquid to solid. This concept is crucial for understanding the arrangement and movement of particles in different states of matter, as stronger attractions lead to more ordered structures and less freedom of movement.
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