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How fast does a gram of H2O evaporate when introduced to a full atmospheric vacuum?

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You have a sealed test tube with one drop of water in it. You then pull a full atmospheric vacuum in the tube. What happens to the drop of water? Evaporation? How fast? Will the tube then be full of a gas atmosphere of H2O molecules?

asked Dec 22, 2025 in General Physics by anonymous [ no revision ]

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