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Unformatted text preview: Thermochemistry Chapter 6 Energy is the capacity to do work. Radiant energy comes from the sun and is earths primary energy source Thermal energy is the energy associated with the random motion of atoms and molecules Chemical energy is the energy stored within the bonds of chemical substances Nuclear energy is the energy stored within the collection of neutrons and protons in the atom Potential energy is the energy available by virtue of an objects position Heat is the transfer of thermal energy between two bodies that are at different temperatures. Energy Changes in Chemical Reactions Temperature is a measure of the thermal energy . Thermochemistry is the study of heat change in chemical reactions. The system is the specific part of the universe that is of interest in the study. Exothermic process is any process that gives off heat transfers thermal energy from the system to the surroundings....
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