Energy and Heat Basics
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11 Terms
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Energy
the capacity to do work or generate heat
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Energy Measurements
Calories (Cal) or Joules (J). 4.184 J = 1 Cal.
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Law of Conservation of Energy
Energy is neither created or destroyed.
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Potential Energy
energy that results from an objects position or configuration.
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Kinetic Energy
the energy of movement/ The energy of which a mass possesses due to its motion
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Thermal Energy
A type of Kinetic energy. the motion of atoms
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Heat
form of energy that is transferred from a body at a high temperature to a body at a lower temperature
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System
part of the universe upon which we focus our attention. Heat energy can flow in or out of the system depending on whether the system or surrounding is warmer.
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Surroundings
the rest of the universe other than the system
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Endothermic process
heat flows from the surroundings into the reaction system
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Exothermic process
heat flows out of the reaction system into the surroundings
Flashcards (42)