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Chapter 2
Chemistry - Holt
Question | Answer |
---|---|
Energy | the capacity to do work |
Evaporation | the cahnge of a substance from a liquid to a gas |
Endothermic | describes a process in which heat is absorbed from the environment |
exothermic | describes a process in which a system releases heat into the environment |
Law of conservation of energy | The law that states taht energy cannot be created or destroyed but can be chagned from one form to another. |
heat | the energy transferred b/t objects tht are at different tempeatrures; energy is always transferred fro highter-temperature objects to lower-temperature objects until thermal equilibrium is reached |
kinetic energy | the energy of an object that is due to the object's motion |
temperature | a measure of how (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object |
Specific Heat | the quantity of heat required to rais a unit mass of homgenous material 1 K or 1 celsius in a specified way given constant pressure and volume. |
Hypothesis | a theory or explanation that is based on observations and that can be tested |