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10 cards from this deck
Uneven charge: O slightly negative, H slightly positive
Attractions between +/- regions of molecules
Hydrogen bonds need substantial energy to break
Energy needed to convert liquid water to vapour
Molecules stick together via hydrogen bonding
Typically 65%
Reactions using water to break down complex molecules
Dissolves gases, ions, & hydrophilic molecules
Transport oxygen in haemoglobin
DNA structure & ATP energy storage
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