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because mirrors are cold

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13y ago

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How the water vapour condenses on the mirror?

When the warm water vapor in the air comes into contact with the cool surface of the mirror, it loses heat energy. As a result, the water vapor cools down and changes from a gas to a liquid, forming tiny water droplets on the mirror. This process is called condensation.


How do you separate sea water from pure water?

evaporate the water or evaporation. condense the water vapour or condensation


How does vapour form on a mirror?

When warm, moist air comes into contact with a cool surface, such as a mirror, the air near the surface cools down. If the air is saturated with moisture, the cooling causes some of the water vapor in the air to condense into tiny water droplets, creating fog or mist on the mirror.


Suggest an activity to show that air contains moisture?

An activity to demonstrate that air contains moisture is to use a mirror. Hold a mirror up to your mouth and breathe on it. The moisture in your breath will condense on the mirror, showing that the air you exhaled contained moisture.


Why can you see clouds but not water vapour in the air?

It is because water vapour is air so it can't be seen but when we breath out in the mirror,water vapour is found.


Can water vapour condense on wooden surface?

no it can't because wood is not cold


Why does dust particles present in the air help water vapour to condense?

somehow


What happens to the energy in a substance as in condenses?

A substance condenses when it changes from a gas to a liquid. This is why we call the water you get on the bathroom mirror after taking a shower condensation - because its actually water vapour from the hot water that has then cooled down on the cool mirror.


When water changes from gas to a solid?

Water as a vapour (gas?) has to condense back to water, which can then become a solid if frozen.


Condensation occurs when?

Condensation occurs in cold when water vapour condense to form tiny droplets of water.


What happens when a liquid condenses?

I don't think you can condense a liquid, you can evaporate a liquid eg water which turnns into water vapour then when the water vapour gets colder it cools and condenses


When the mirror turns cloudy what is happening?

water vapour in our breath is condensing on the cold surface of the mirror