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heat (Q)
the transfer of thermal energy between two objects due to a temperature difference.
temperature (T)
a measure of the average kinetic energy of the random motions of the particles in a system.
calorie (cal)
unit of energy. is defined as the energy required to raise the temperature of one gram of water one degree Celsius
system
the specific part of the universe that is being studied.
Enthalpy
the heat content of a system
specific heat
The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius