2.5 Flashcards by Keela Trent

Q

do +H attract to -O

A

yes

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Q

what is cohesion

A

H bonding between H2O molecules

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Q

what is adhesion

A

H bonding between H2O and other things

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Q

what is an example of cohesion and adhesion

A

water drops beading up on windows

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Q

what is a solvent

A

dissolves things

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Q

what is a solute

A

thing being dissolved

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Q

what is a solvent

A

solute and solvent mixed

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Q

is water a good solvent

A

yes

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Q

what makes water a good solvent

A

polarity

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Q

what is hydrophilic

A

attracted to water

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Q

what is hydrophobic

A

not attracted to water

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Q

is hydrophilic polar or nonpolar

A

polar

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Q

is hydrophobic polar or nonpolar

A

nonpolar

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Q

what is the special case for ice

A

ice is less dense than water

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Q

why does that make ice special

A

ice floats in water unlike most frozen liquids

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Q

why is ice floats important

A

surface ice insulates water below

Q

what does it mean that water has a high specific heat

A

it takes more energy to heat it up

Q

what does it mean that water has a high heat for vaporization

A

it takes more energy to vaporize