comment on the following statements: 1 )evaporation produces cooling 2) sponge though compressible is a solid
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HEY DEAR ...
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1.) Evaporation produces cooling as the particles at the surface of the liquid gain energy from the surroundings and change into vapour thereby producing a cooling effect.
2.) A sponge has minute holes in which air is trapped. Also the material is not rigid. When we press it, the air is expelled out and we are able to compress it.
HOPE , IT HELPS ...
_______________________
_______________________
1.) Evaporation produces cooling as the particles at the surface of the liquid gain energy from the surroundings and change into vapour thereby producing a cooling effect.
2.) A sponge has minute holes in which air is trapped. Also the material is not rigid. When we press it, the air is expelled out and we are able to compress it.
HOPE , IT HELPS ...
Answered by
3
Heya!
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♦Evaporation Produces cooling =>
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➰Evaporation is a Surface Phenomena . The Particles from the surface gain energy from the surroundings and this leads to a Cooling Effect.
➰A common example is that When you put some Acetone on your palm , it will evaporate giving a Cooling sensation on the Hand .
♦Sponge Though Compressible is a Solid =>
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➰Sponge can be compressed but still it is regarded as a Solid because it has all the other properties of Solids . It has a fixed shape and a fixed volume .
➰It is just an Exception to the property of Compressibility . Thus, it is regarded as a Solid .
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============================================================
♦Evaporation Produces cooling =>
============================
➰Evaporation is a Surface Phenomena . The Particles from the surface gain energy from the surroundings and this leads to a Cooling Effect.
➰A common example is that When you put some Acetone on your palm , it will evaporate giving a Cooling sensation on the Hand .
♦Sponge Though Compressible is a Solid =>
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➰Sponge can be compressed but still it is regarded as a Solid because it has all the other properties of Solids . It has a fixed shape and a fixed volume .
➰It is just an Exception to the property of Compressibility . Thus, it is regarded as a Solid .
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