Water as a Solvent Flashcards

1
Q

What is water excellent as?

A

a solvent

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2
Q

What is a solvent?

A

a liquid that other substances can dissolve in

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3
Q

What can easily dissolve in water?

A

ionic compounds e.g. NaCl as they are made from positive ions Na+ and negative ions Cl-

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4
Q

How can ionic compounds dissolve in water?

A

as all of the small charges of water add up together

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5
Q

What do the small charges added up together equal?

A

the charge of the ion so that the ion+ can break free from its partner and dissolve

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6
Q

What is water important for?

A

metabolic reactions e.g. condensation & hydrolosis

for reactions in the body

it is a metabolic

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7
Q

What is water useful for?

A

it is useful for transport

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8
Q

What is cohesion?

A

water molecules stick to each other because of their hydrogen bonds

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9
Q

What does cohesion make possible?

A

to pull water uphill e.g. xylem or through a straw

cohesion is also responsible for surface tension when water meets air e.g. pond skaters

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