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Heat
Heat
9
Physics
11th Grade
11/12/2008

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Cards

Term
Calorie
Definition
amount of heat necessary to raise 1 g of water 1oC
Term
Heat (Q)
Definition
energy transferred from one object to another because of a difference in temp
Term
Temp of gas
Definition
a measure of the KE of its molecules
Term

Internal Energy, U of an Ideal Gas

ΔU

Definition

U = 3/2 nRT

ΔU = Q - W (heat minus work)

Term

Latent Heat, L

Heat of Vaporization, LV

Heat of Fusion, LF

Definition

LV = heat required to change 1 kg of material from solid to liquid

LF = heat required to change 1 kg of material from liquid to vapor

Term
Thermal conductivity, k
Definition
materials with large k are called conductors, small k are insulators
Term
Convection
Definition
heat flows by the mass movement of molecules
Term
conduction
Definition
heat flow through molecular collisions
Term
Radiation
Definition
transfer of energy by electromagnetic waves
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