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chemistry > particles and mixtures > Flashcards

particles and mixtures Flashcards

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1
Q

arrangement of solid particles

A

regular arrangment
touching/in contact

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2
Q

arrangement of liquid particles

A

irregular arrangment
touching/in contact

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3
Q

arrangement of gas particles

A

irregular arrangment
far apart/nit in contact

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4
Q

movement of solid particles

A

vibrating
fixed position

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5
Q

movement of liquid particles

A

slide over each other
random directions

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6
Q

movement of gas particles

A

fast
random directions

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7
Q

kinetic energy of solid particles

A

low

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8
Q

kinetic energy of liquid particles

A

medium

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9
Q

kinetic energy of gas particles

A

high

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10
Q

shape of solid particles

A

holds own shape

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11
Q

shape of liquid particles

A

take shape of bottom of container

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12
Q

shape of gas particles

A

takes shape of whole container

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13
Q

flow of solid particles

A

doesn’t flow

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14
Q

flow of liquid particles

A

flows

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15
Q

flow of gas particles

A

flows

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16
Q

does a gas compress?

A

yes

17
Q

does a solid compress?

A

no

18
Q

does a liquid compress?

A

no

19
Q

what happens if a solid is heated?

A
  • its temperature rises until it reaches its melting point
  • particles gain energy and vibrate more
20
Q

solid to gas

A

sublimation

21
Q

gas to solid

A

deposition

22
Q

gas to liquid

A

condensing

23
Q

liquid to gas

A

evaporation

24
Q

liquid to solid

A

freezing

25
Q

solid to liquid

A

melting

26
Q

define diffusion

A

the random mixing and moving of particles from an area of high concentration to an area of low concentration

27
Q

what temperature does water boil at?

A

100C

28
Q

what forms when a soluble solid dissolves in water?

A

solution

29
Q

what is a soluble solid also known as?

A

solute

30
Q

name the 2 types of distillation

A

simple
fractional

31
Q

name 2 techniques of separating mixtures

A

filtration
evaporation

32
Q

explain how chromatography works (4 marks)

A
  • solute rises top the chromatography paper, taking the ink spots with it
  • ink that’s more soluble in the solvent and less attracted to the paper will rise up the chromatogram more
  • inks that are less soluble in the solvent and more attracted to the paper will rise up the chromatogram less

chemistry (10 decks)

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