is water heating up a chemical change

Question

abmon98 · Answer

yes heating water will cause the molecules to move faster as they gain more kinetic energy, K.E increases as temperature increases. more energetic molecules will escape from the water structure

abmon98 · Answer

this is a result of overcoming the forces of attraction

matt101 · Answer

Nope - it's a physical change.

A chemical change occurs when you actually produce a new compound.
A physical change occurs when the compound you start with remains unchanged.

In this case, when you heat up water, it begins to boil and water vapour is formed. However, liquid water and water vapour are both made of the same molecules: H2O!

sweetburger · Answer

matt would be correct

abmon98 · Answer

but evaporation occurs at any temperature

sweetburger · Answer

yes you would be correct on that statement as well as solid water or ice sublimes

matt101 · Answer

State changes are considered physical changes. Your molecules are the same no matter what the state, the difference is just that in a gas they're farther apart than in a liquid, and in a liquid they're farther apart than in a solid.

koikkara · Answer

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