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17 Cards in this Set
- Front
- Back
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Kinetic theory |
an explanation of how the particles in gases behave |
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Describe the particles in a liquid |
loose but not too spaced out |
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Describe the particles in a solid |
Compacted and close together |
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Describe the particles in a gas |
Far and spread out |
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Temperature |
is the term used to explain how hot or cold an object is
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Thermal energy |
the TOTAL energy of a material's particles
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Melting Point |
the temperature at which a solid becomes a liquid
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Heat of Fusion
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the energy required to change a substance from solid to liquid at its melting point
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What are the two ways vaporization can occur? |
Evaporation and boiling |
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The process in which a gas becomes a liquid |
Condensation |
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Evaporation |
when particles are at the liquid's surface and have enough kinetic energy to escape the forces of the liquid
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Boiling Point |
the temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid
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Heat of Vaporization |
the amount of energy required for the liquid at its boiling point to become a gas
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Sublimation |
the process of a solid changing directly to a gas without forming a liquid
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Plasma
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Really hot
Really violent Rips off electrons matter that has enough energy to not just overcome the attractive forces between its particles but also the attractive forces within its atoms |
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Thermal expansion |
an increase in the size of a substance when the temperature is increased |
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Name an example of an amorphous solid |
Glass or butter a solid that can melt, without being a liquid, a gooey thing |
