DE_Chem_1.2_Thermochemistry

Front

activation energy

Back

minimum energy to initiate a chemical reaction; Ea; measured in kJ

Front

average kinetic energy

Back

average movement of particles; proportional to absolute temperature

Front

calorimetry

Back

measuring energy change in a reaction or physical change

Front

chemical potential energy

Back

chemical energy stored in a substance

Front

combustion reaction

Back

substance reacts with O2 to produce CO2, H2O, and heat

Front

conduction

Back

heat transfer within or between touching objects

Front

convection

Back

heat transfer by movement of molecules

Front

critical point

Back

temperature and pressure beyond which a liquid cannot boil

Front

deposition (phase change)

Back

gas to solid phase change

Front

electromagnetic radiation

Back

energy traveling through space with wave-like behavior