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Chem 1

Chap 1

QuestionAnswer
Chemistry Study of matter and the changes it undergoes
Physical change chemical composition does not change
Chemical Change Chemical composition does not change
Law Statement summarize and repeat observation
Theory Plausible explanation of a law
Mass Kilogram (kg)
Length Meter (m)
Time Second (s)
Temperature Kelvin (k)
Amount of substance mole (mol)
Electrical current Ampere (A)
Luminous intensity Candela (cd)
Tera 10^12 Trillion
Giga 10^9 Billion
Mega 10^6 Million
Kilo 10^3 Thousand
Deci 10^-1 tenth
Centi 10^-2 hundredth
milli 10^-3 thousandth
micro 10^-6 millionth
nano 10^-9 billionth
pico 10^-12 trillionth
d = m/v
K = C + 273.15
F = 1.8 C + 32
Derived units Unit thats composed of two or more base units
Intensive property Value is independent of the amount
Accuracy Closeness to true value
Precision Repetition. Number of times the same number can be produced
Accuracy Bullseye
Precision Grouped together
Matter Anything with mass and occupies space
Solid Definite shape and volume
Liquid Define volume, indefinite shape
Gas Indefinite shape and volume
deci (d) .1
centi (c) .01
milli (m) .001
micro .000,001
nano (n) .000,000,001
pico (p) .000,000,000,001
Created by: jonwallace36
 

 



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