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Water vapor in your mouth comes from the moisture in your breath. As you exhale, water from the mucus lining in your respiratory system evaporates into the air, creating water vapor. Additionally, any liquid water in your mouth may also evaporate into water vapor.

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AnswerBot

1y ago

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Why does smoke come out of mouth when it is cold?

"Smoke" does not come out of your mouth when it's cold. That's actually water vapor. This is because normal air that we breath everyday is partially composed of water vapor, however we don't see this vapor until the temperature drops (however the temperature at which we would see the vapor depends on the humidity of the air). So when that vapor goes from your warm lungs to the cold outside, it condenses and forms what looks like smoke.


Why do you see your breathe in a cold day?

Because you have water vapor on your mouth when you breath it out the water vapor turns to water like how rain comes


Where does water vapor come from?

water vapor comes from the ocean water when it goes through evaporation.


What does water vapor come from?

the Evaporation


How does water vapor come out in the air?

condensation


What is the cooling of water vapor called?

The cooling of water vapor to form liquid water is called condensation. It occurs when the temperature of the water vapor decreases, causing the vapor molecules to come together and form liquid droplets.


What is water vapour and where does it come from?

Water vapor is evaporated water, it is mainly caused by the heating of water by the sun.


Liquid water is changed to water vapor by the process of Water vapor forms into clouds by the process of?

Liquid water is changed to water vapor by the process of evaporation (or boiling)Water vapor forms into clouds (liquid droplets) by the process of condensation


When water condenses what does it change from and to?

When water condenses, it changes from a gas (water vapor) to a liquid (water droplets). This process occurs when the temperature of the water vapor decreases, causing the molecules to come together and form liquid droplets.


What gas would come out of a Crystalliser?

A Crystalliser typically removes water vapor and turns it into ice crystals. The gas that would come out of a Crystalliser is generally water vapor or steam.


Why does the condensation from your mouth cause water droplets to form on a cold car window?

When you breathe out, the warm air from your lungs contains a good bit of water vapor. When it hits a cold surface (such as a cold car window, in this case) the water vapor condenses out of vapor form and forms a liquid.


What happens with water vapor when its cooled?

when water vapour is cooled it condenses and falls as rain