Physics Unit 1: Heating Processes

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Last updated 3:18 AM on 3/8/25
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13 Terms

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Potential Energy
The energy that has the potential to do work.
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Kinetic Energy
The energy of motion; doing work.
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Heat
Energy transferred from one place to another due to temperature difference.
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Kinetic Particle Model
Suggests that matter is made up of particles that are constantly moving.
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States of Matter
Includes solids, liquids, and gases.
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Internal Energy (U)
Total microscopic kinetic and potential energy of the particles in a system.
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Temperature
A measure of the average kinetic energy of the particles in a system.
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Absolute Zero
The temperature at which all particle motion stops; 0K or -273°C.
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Specific Heat Capacity (c)
The quantity of heat required to raise the temperature of 1 kg of a substance by 1°C, measured in J/kg/K.
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Latent Heat of Fusion (Lf)
The energy required to change 1 kg of a substance from solid to liquid without a change in temperature.
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Latent Heat of Vaporisation (Lv)
The energy required to change 1 kg of a substance from liquid to gas without a change in temperature.
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Conservation of Energy
In a closed system, thermal energy lost by one object is equal to the thermal energy gained by another.
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Phase Change
When kinetic energy exceeds melting or boiling point, causing a change in state.