BouncedCornet6 BouncedCornet6

10-04-2020
Chemistry

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How could you demonstrate boiling point?

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mefwamage69 mefwamage69

10-04-2020

A light layer of vacuum grease is applied to the rim of the belljar. Water at room temperature is placed inside and the vacuum pump is then used to evacuate the vessel. When the air pressure is reduced to the vapour pressure of water at room temperature the water will begin to boil.

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