Question

a) State kinetic theory of matter.(b) Differentiate the three states of matter interms of movement of particles.3. On the basis of kinetic theory of matter explain(a) Why the solids have a definite volume anddefinite shape?(b) Why the liquids have a definite volume, butno definite shape?4. (a) Describe energy content in the three statesof matter(b) Describe the change of state using kinetictheory.​

Answer 1

Explanation:

a) The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in the solid, liquid, or gaseous state.

3) the solid have a definite volume and definite shape . the liquid have a definite volume and definite shape. the gasses have no definite volume and no definite shape.

a)The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in the solid, liquid, or gaseous state.

b) (b) Why the liquids have a definite volume and but no definite shape?

Liquid molecules are also packed closely together, but there is enough space between the molecules to allow them to slide past each other. This sliding action prevents the liquid from taking a shape of its own. As a result, liquids take the shape of the container that holds them. The particles in liquids are much farther apart than the particles in solids, and they're also moving around much more . Even though the particles are farther apart in liquids than in solids, some particles in liquids may still be near each other, clumped together in small groups. Because the particles are farther apart in liquids, the attractive forces among them aren't as strong as they are in solids which is why liquids don't have a definite shape. However, these attractive forces are strong enough to keep the substance confined in one large mass instead of going all over the place.

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