Water

describe water molecule

polar moelcule

unevenly distributed charge due to oxygen atom is slightly negative and hydrogen atoms are slightly positive

so can form hydrogen bonds with other water molecules

what are the 5 key properties of water

1. metabolite so used in many reactions (eg condensation/hydrolysis)

2. important solvent as it dissolves solutes for metabolic reactions that happen in solution

3. high heat capacity meaning water takes a lot of energy to raise temp of water (due to strong hydrogen bonds)

4. large latent heat of vaporisation meaning it requires a lot of energy to convert liquid state of water to gaseous state (strong hydrogen bonds)

5. strong cohesion between hydrogen bonds

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