Question

Correct the following statement: In general, matter expands when it gains heat. This is because the particle in the matter "swell" in size when they gain energy.​

Answer 1

Required Answer:-

Statement:

In general, matter expands when it gains heat. This is because the particle in the matter "swell" in size when they gain energy.

Corrected one:

In general, matter expands when it gains heat. This is because the distance between the particles in the matter increases or we can say that Interparticular spaces increases which enlarge the size.

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The phenomenon of gaining heat is an important aspect of change of state. This can also occur by change in pressure.

• This creates a difference between the arrangement of atoms inside the matter.
• The Interparticular spaces may increase or decrease depending on heat is gained/loss.
• There will be change in kinetic energy and movement of particles inside matter$.$

Answer 2

Question:-

Correct the following statement :-

• In general, matter expands when it gains heat. This is because the particle in the matter "swell" in size when they gain energy.

Answer:-

• matter expands when it gains heat. This is due to the fact that the intermolecular spaces between the matter increases by the heat energy which results in the increasing of their size.

Additional information:-

Note:- The space between particles of matter is known as intermolecular space.

• when there is no intermolecular spaces between the particles, it is a solid.
• when the intermolecular space is quite more, then it is a liquid.
• when the intermolecular space is maximum, then it is a gas.