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Temp
Temp
7
Physics
11th Grade
11/12/2008

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Term
Zeroth Law of Thermodynamics
Definition
If 2 objects are each in equilibrium with a third, they are also in equilibrium with eachother
Term
Thermal Expansion
Definition
Water's minimum volume is at 4oC; it expands when it gets colder or hotter
Term
Mole
Definition

# of grams of a substance that is numerically equal to the molecular mass

n (mol) = mass (g)/ molecular mass (g/mol)

Term
Ideal Gas Laws (2)
Definition

Pv=nRT

P1V1/T1=P2V2/T2

Term

Diffusion (2)

Definition
A region of high concentration spreads fully to a region of low concentration; concentration of a substance becomes uniform
Term
Evaporation
Definition

occurs when the fastest moving molecules escape from the surface of the liquid

Term
Relative Humidity
Definition
vapor pressure/saturated vapor pressure
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