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Heat and States

Chem Vocab

QuestionAnswer
Sublimation Conversion of a solid directly to a gas
Condensation Opposite of Vaporization
Exothermic Reaction Reactions that release heat
Joule the SI of energy
Freezing Point Temperature at which liquid is converted into a crystalline solid
Phase Change Conversion of a substance from one of the three states of matter to another
Heat The energy that is transferred from one object to another
Thermochemistry The study of changes in heat in chemical reactions
Vaporization Change of state from a liquid to a gas
Vapor Pressure Pressure exerted by a vapor over a liquid
Combustion Example of exothermic reaction type
Endothermic Reactions Reactions that absorb heat
Volatile Description of a liquid that evaporates easily
Deposition Transformation of a gas directly into a solid
Melting Phase change from a solid to a liquid
Specific Heat How much heat is needed to raise one gram of a substance by 1 degree Celcius
Calorimeter A well insulated container used to measure heat absorbed or released during a chemical or physical process
Enthalpy The heat content of a system at constant pressure
Created by: SadurnSchool
 

 



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