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Chemistry Test 2

TermDefinition
Absolute Zero zero kelvins. the temp at which alt motion stops
Weight gravitys affect on mass
Mass quanity of matter
Sig Figs measurement that includes all known digits
Precision how close a seris of measurements are to each other
Accuracy how close something is to the actual value
SI Units Length (m), Mass (kg), Temp (k), Time (sec), Amount of substance (mol), Luminous intensity (cd), and eletric current (A)
Formula for Density D = m/v
Advantage of the metric system goes by the power of 10
Length meters (m)
Mass kilograms (kg)
Temperature Kelvins (k)
Time seconds (sec)
Amount of substance mole (mol)
Luminous intensity condela (cd)
electric current ampere (A)
Sig Figs Adding/ Subtracting rounded to the same # of DECIMAL PLACES as the # with the least
Sig Figs Multiplying/ Dividing rounded to the same # of SIG FIGS as the # with the least
Convert between Kelvins and Celcius Kelvins = Celcuis +273
Density (Ratio) mass of an object to its volume
Created by: Hgiszewski
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