comment on the following statements .●evaporation produces cooling ●rate of evaporation of an aqueous solution decreases with increases in humidity ●even thought sponge is compressible, it is a solid. please urgent
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b.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.
a.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.
a.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.
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