Question

Using the ideas of particles....Explain- 1. How is it easy to pour a liquid? 2. How will a gas completely fill any container? 3. How a solid expands when it is heated?

Answer 1

Answer:

1.It is easy to pour a liquid rather than solids because the molecule makeup of fluid is less packed than the molecule makeup of solids. In other words, the molecules of solids are more tightly packed than of fluids.

2.Since gas has no definite volume or shape it can be expanded or compressed, the particles will spread till they reach the walls of their container.

3.All three states of matter (solid, liquid and gas) expand when heated. The atoms themselves do not expand, but the volume they take up does. When a solid is heated, its atoms vibrate faster about their fixed points. ... An increase in temperature results in the expansion of the liquid which means it rises up the glass

Explanation:

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