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Chap 2 vocab part 2
Question | Answer |
---|---|
The total energy of a substance's particles due to their movement or vibration. | Thermal Energy |
A form of energy that comes from chemical bonds. | Chemical Energy |
The principle that states that the total amount of energy remains the same before and after physical and chemical changes. | law of conservation of energy |
The change of state from solid to liquid. | melting |
The change of state from liquid to solid. | freezing |
The change of state from liquid to gas. | vaporization |
The process that occurs when vaporization takes place only on the surface of a liquid. | evaporation |
The process that occurs when vaporization takes place inside a liquid as well as on the surface of the liquid. | boiling |
The change of state from a gas to a liquid. | condensation |
The change of state from a solid directly to a gas without passing through the liquid state. | sublimation |
A process in which substances undergo chemical changes, forming new substances with different properties. | chemical reaction |