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Definition
| the measure of the average kinetic energy of the particles in an object |
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| the sum of the kinetic and potential energy of all the particles in an object |
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| thermal energy that flows from something at a higher temperature to something at a lower temperature |
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| the amount of heat that is needed to raise the temperature of 1 kg of some material by 1 degree C |
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| changes in thermal energy |
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Definition
Q=m(Tf-Ti)C
Q = mass x change in temperature Celsius x specific heat |
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| measures the specific heat of materials |
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| Transfer of thermal energy by collisions between particles in matter. Particles are in constant motion. |
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| Transfer of thermal energy in a fluid by the movement of warmer and cooler fluid from place to place. |
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| transfer of energy by electromagnetic waves. |
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| a material in which heat flows slowly |
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| internal combustion engine |
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Definition
| heat engine in which fuel is burned inside cylinders or chambers. |
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| first law of thermodynamics |
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Definition
| the increase in thermal energy of a system ewuyals the work done on the system plus the heat transferred to the system |
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| second law of thermodynamics |
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Definition
| it is impossible for heat to flow from a cool object to a warmer object unless work is done |
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Definition
| absorb radiant energy from the sun |
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| study of the relationship among thermal energy, heat, and work |
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