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Hydrogen Bonding and Boiling Point of Water

OCR AS-level BiologyBiological MoleculesLesson 7 of 63

The boiling point of water is unusually high for a small molecule of its size.

By comparison hydrogen sulfide H2S is a gas and both methane CH4 and ethane C2H6 are gases at 25°C.

Both carbon dioxide and oxygen are heavier than water but are gases at 25°C.

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