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# heat review

the energy transferred between substances because of a difference in their temperatures heat
the state in which two substances that are mixed or touched together reach the same temperature thermal equilibrium
the heat energy required to raise the temperature of one kg of a substance by 1 degree celcius or 1K specific heat
a measure of the average kinetic energy if the particles (atoms or molecules) in a substance temperature
the transfer of heat by means of motion in a fluid convection
the process by which heat is transferred when objects at different temperatures are touched together conduction
the increase in length or volume of a material when it is heated thermal expansion
the natural processes tend to increase the entropy of the universe 2nd law of thermodynamics
thermal energy cant be created nor destroyed but can be transformed from one substance to another 1st law of thermodynamics
a substance in which heat is easily transferred throughout thermal conductor
as the temperature of a substance approaches absolute zero, this entropy and kinetic energy approaches zero 3rd law of thermodynamics
Created by: dalizavez

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