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Year 9 Term Tests > Chemistry > Flashcards

Chemistry Flashcards

1
Q

which state of matter has the most kinetic energy

A

gas

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2
Q

which state of matter has the least kinetic energy

A

solids

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3
Q

what is it called when a solid turns into a gas

A

sublimation

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4
Q

what is it called when a gas turns into a solid

A

deposition

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5
Q

what is it called when a gas turns to liquid

A

condensation

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6
Q

what is it called when a liquid turns to a gas

A

evaporation

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7
Q

what is it called when a solid turns to liquid

A

melting

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8
Q

what is it called when a liquid turns to lsolid

A

freezing

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9
Q

what does evaporate mean

A

a liquid becomes a gas at any temperature.

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10
Q

what does freezing/solidifcation mean

A

liquid to solid at a fixed temp

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11
Q

what does melting mean

A

a solid to liquid

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12
Q

what does condensation mean

A

a gas to a liquid

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13
Q

what does boiling mean

A

liquid becomes a gas at a fixed temperature

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14
Q

why does ammonia gas travel fatser than hydrochloride gas

A

this is because hydrochloride gas is heavier than ammonia

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15
Q

what is the unit for ammonia

A

NH cubed

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16
Q

what is the unit for hydrogenchloride

A

HCC

17
Q

which state of matter allows particles to slide over each other?

A

liquid

18
Q

what is the difference between boiling and evaporating

A

boiling is at a fixed temp and evaporating can be at any temp

19
Q

what does diffusion mean

A

The net (overall) movement of particles from a
HIGH to LOW concentration.

20
Q

what does solvent mean

A

liquid that dissolves things

21
Q

what does solute mean

A

a solid that dissolves

22
Q

what does solution mean

A

when a solute is dissolved in a solvent

23
Q

what does Saturated solution mean

A

when no more solute will dissolve

24
Q

what does soluble mean

A

when a solute dissolves

25
Q

what does insoluble mean

A

solute cant dissolve

26
Q

what is a solubilitiy curve

A

a graph of solubility, measured in g/100 g water, against temperature in °C.

Year 9 Term Tests (3 decks)

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