Evaporation and Condensation

When water evaporates its chemical composition?


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2017-08-04 17:49:27
2017-08-04 17:49:27

The chemical composition remain unchanged.


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crystals from chemical precipitates and evaporates

The chemical composition of water remain unchanged.

It is a chemical change (reaction) because the chemical composition of the products (O2 and H2) is different from the chemical composition of the water (H2O).

Water, H2O, is a definitely a chemical composition. There are many many others!

Evaporation is a physical process.

Water freezing is a physical change because the chemical composition of the water does not change.

Chemical Change: a usually irreversible chemical reaction involving there arrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of ruston iron is a chemical change.It is a chemical change.A physical change is a change that does not change the chemical composition of the material. When water evaporates and condenses it is still water even though it looks different, the same as if you cut or crumple paper. It may look different, but its chemical composition has not be altered.

Pure water boils and evaporates faster than soda because of the simple composition of the water. The chemicals and ingredients in soda mean it requires more chemical breakdowns before it can reach a gaseous state.

The chemical composition of water remain unchanged.

Boiling water is a physical change because it does not change the chemical composition of the water.

Because water is a compound, a type of pure substance, which has a definite composition.

That's because there is no chemical change. In most cases, there is no chemical change when a substance evaporates. The exception is very long molecules, which may break apart during evaporation.

It would depend on your definition of a chemical. A chemical is: "a substance produced by or used in a chemical process." And, water is a chemical because it is be used in chemical reactions such as neutralization, redox, etc. I believe what you're asking though is if water is a chemical substance: "a material with a definite chemical composition." Water is also a chemical composition because of its electron configuration in its valence shell which defines its chemical properties.

No, it is a physical change because the chemical composition of the water or mud does not change.

Dissolving salt in water is a physical change- no chemical reaction took place. If the water evaporates, the salt is still there.

Its A physical change. When you boil water under a stove, The water evaporates and the chemical stays in the..pan or whatever you put in it.

It's a physical change when water evaporates and becomes water vapour.

Liquid water become gaseous water; the chemical structure is not changed.

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