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science > properties of water > Flashcards

properties of water Flashcards

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1
Q

___________ slight charge at each end

A

polar

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2
Q

______________ negative charge (slight)

A

oxygen

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3
Q

________ each with positive charge (slight)

A

hydrogen

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4
Q

overall charge if h2o molecule is __________

A

neutral

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5
Q

polarity definition

A

A condition in which opposite ends of a molecule have slowly opposite charges but the overall charge of the molecules neutral

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6
Q

water molecule ________ other h2o molecules bc of ___________

A

attract, polarity

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7
Q

____________ ends attract ___________ ends

A

negative, positive

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8
Q

polarity is why water can ___________ many substances

A

dissolve

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9
Q

the two parts to any solution are ________ and ___________

A

solvent and solute

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10
Q

solevnt defintion

A

Substance that does the dissolving (usually larger of the two)

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11
Q

solute definition

A

What is getting dissolved (added)

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12
Q

water disslves many substances bc of __________

A

polarity

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13
Q

hydrogen - ___________ charged ions attracted to __________ charged hydrogen atoms

A

negative, positive

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14
Q

oxygen - ___________ charged ions attracted to __________ charged oxygen atoms

A

positive, negative

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15
Q

these ___________ break apart substances in h2o or ___________ them

A

attractions, dissolve

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16
Q

cohesion definition

A

Attraction among modules are like ALIKE

17
Q

adhesion

A

Attraction among molecules that are NOT ALIKE

18
Q

__________ between the water and test tube cause a _________ to form

A

attraction, meniscus

19
Q

density ___________ when particles get closer together

A

increases

20
Q

density ___________ when particles get farther apart

A

decreases

21
Q

when water cools to ____ molecules move ___________________ and form a ___________ pattern

A

4 degrees celcius, farther apart, six sided

22
Q

density of ice is ________ than that of ________

A

lower, water

23
Q

water is __________________ @ 4 degrees c

A

most dense

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