Water Flashcards

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1
Q

properties of water that help living organisms (5)

A

its a reactant (useful in hydrolysis reactions)

solvent (biological reactions can take place in it)

high specific heat capacity and latent heat of evaporation (can maintain a constant temp)

useful as a habitat

insulation as ice rises (also land)

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2
Q

is oxygen delta negative or delta positive

A

delta negative (many unshared electrons)

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3
Q

is hydrogen delta negative or delta positive?

A

delta positive (the electrons are shared)

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4
Q

why is water a polar molecule?

A

regions of both positivity and negativity

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5
Q

how is waters structure related to properties and functions? (3)

A

many hydrogen bonds give it a high specific heat capacity- helps to maintain temperature

H bonds also give a high latent heat of evaporation- uses a lot of energy for evaporation which makes it good for cooling down

polarity makes it cohesive (transpiration)

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