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Physical change- it is still H2O, and can be changed back to water by cooling it.

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7y ago

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When water changes to steam is it a chemical change?

The change of water to steam is a physical change, not a chemical change. In this case, the water molecules are simply changing phase from a liquid to a gas, but the chemical composition of water remains the same.


Why liquid water changing into steam is a physical not a chemical change?

The steam when cooled changes back to liquid water. A chemical change is usually not so reversible.


Is water heated and changed to steam a physical or chemical change or both?

physical only, you are only changing its state, not its composition.


Is changing water to steam physical or chemical?

It is a physical change because it's still a form of water just a different state.


Is steam condenses on a cold window chemical change?

No, condensation of steam on a cold window is a physical change, not a chemical change. The water vapor in the steam undergoes a change in state from gas to liquid as it loses heat energy to the cold window, but the water molecules themselves remain unchanged.


Is mixing popcorn steam a physical or chemical change?

it is a chemical change


Is water is heated and changed to steam is it a physical or chemical change?

The changing of water to steam is a physical change because it is still water, but only in a different state. The steam can change back into water which is a reversible change. Chemicals changes cannot change back. They are permanent.


Is steam a chemical raection?

No. Steam is water vapor. Steam is formed by boiling water, which is a physical change.


Is water is heated and changed to steam a physical change or chemical change?

chemical


Is water evaporating into steam chemical or physical change?

It's a physical change because no new substances are formed, the molecules simply get further apart.


Do the bubbles in a pot of boiling water for noodles indicate chemical change?

No, the bubbles in boiling water for noodles do not indicate a chemical change. The bubbles are formed due to the physical process of water reaching its boiling point and turning into steam bubbles. This is a physical change, as only the state of the water molecules is changing, not their chemical composition.


Is water evaporating into steam a chemical or physical change?

It is a physical change because the change is reversible.