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Chapter 2

Chemistry - Holt

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
Created by: etalentino