Question

If the temperature of a liquid in a container is decreased, then the interatomic distance will ______

Answer 1

If the temperature of a liquid in a container is decreased, then the interatomic distance will decreased.

Explanation:

Liquid state : It is a state in which the particles are present in random and irregular pattern. The particles are closely arranged but they can move from one place to another and thus have higher kinetic energy as compared to solids. This state has a definite volume but does not have a fixed shape.

With decrease in temperature the energy of particles due to their motion also decreases i.e. their kinetic energy decreases. And due to this particle's motion slows down.

With this space between particles also decreases which further decreases the interatomic distance between the atoms of the particle of the liquid.

Whereas :

Solid state : It is a state in which the particles are closely packed and does not have any space between them. They have least kinetic energy due to restricted movement. This state has a definite shape and volume.

Gaseous state : It is a state in which the particles are loosely arranged and have a lot of space between them. They have highest kinetic energy. This state has indefinite volume as well as shape.

Learn more : Energy related to states of matter

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Answer 2

Will decrease.

Explanation:

• As we know that heat is the kinetic energy of the constituent particles of the matter.

• Temperature is a property of heat energy by virtue of which the heat flows.

• The inter-atomic distance in a liquid will decrease slightly when the temperature of the liquid decreases because the inter-atomic forces holding the forces become slightly strong. But the inter-molecular space becomes lesser due to lack of any strong bond and inter-molecular forces become stronger.

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TOPIC: effect of temperature on the inter-atomic distance

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