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CHAPTER 5 THERMOCHEMISTRY (The Nature Of Energy and Types Of Energy…
CHAPTER 5 THERMOCHEMISTRY
The Nature Of Energy and Types Of Energy
Energy
the capacity to do work
Radiant Energy
solar energy, comes from the sun
Thermal Energy
energy associated with the random motion of atoms and molecules
Chemical Energy
energy that is stored within the structural units of chemical substances
Potential Energy
energy available by virtue of an object's position
3 Types Of System
Closed system
Allow Transfer of energy (heat) but not mass
Isolated system
Does not allow transfer of either mass or energy
Open system
Can exchange mass and energy
Exothermic Process
Energy is released into the surroundings as heat.
The temperature of the surroundings increase