ch 1

chemistry
The science that deals with the structure of matter and the changes it undergoes.
chemical change/chemical reaction
substances are used up and others are formed
physical changes
substances do not change their identity
exponential notation
rules for significant figures
metric system
a system in which measurements of parameter are related by 10
factor-label method
solid
fixed volume, fixed shape
liquid

variable shape

fixed volume

gas

variable shape

variable volume

density
density=mass/volume
specific gravity
kinetic energy
KE=1/2m x velocity2
potential energy

stored energy

substances try to get as low as possible 

specific gravity
density of substance/density of water
specific heat
degrees c-degrees f
f=9/5(c)+32
degrees f- degree c
c= 5/9(f-32)
kelvin
k=c+273
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