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What is the difference between water vapour and steam, evaporation?

April 26, 2017Chemistry evaporation Mathematics steam Vapour water

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What is the difference between water vapour and steam, evaporation?

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Water vapour is water as a gas. It is an invisible constituent of Earth’s atmosphere. When there are small visible liquid water droplets suspended in the air as water is evaporating we normally call it steam. Evaporation is when a liquid goes through a phase change and becomes gas. No, any liquid can evaporate under the right conditions. Alcohol, ammonia, mercury, water, and many liquids evaporate at room temperature and 1 atmosphere of pressure.