2.3 SI units Flashcards by Kate McNamara | Brainscape

Q

SI units

A

international system of units used by chemists

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Q

length

A

meter

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Q

mass

A

kilogram

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Q

volume

A

liter

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Q

temp

A

kelvin

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Q

time

A

second

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Q

amt. of substance

A

mole

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Q

kilo

A

1000x larger

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Q

deci

A

10x smaller

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Q

centi

A

100x smaller

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Q

milli

A

1000x smaller

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Q

micro

A

1000000x smaller

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Q

what two things must be in all measurements

A

number
unit

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Q

celcius

A

bsed on 100 equal divisions between 0 and 100

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Q

kelvin

A

based on absolute 0

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Q

convert kelvin

A

k=c+273
c=k-273

Q

Fahrenheit

A

180 divisions between 32 and 212

Q

convert farenheit

A

f=1.8(c)+32
c=(f-32)/1.8

Q

derived units

A

combinations of different units