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Energy and matter, Units of Energy, Forms of energy…, Thermo Equilibrium,…
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Forms of energy…
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Heat – burner on a stove,
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Sound – music on the radio,
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Thermo Equilibrium
For Calorimetry Problems: the final temperature of the water and the metal should be equal due to thermal equilibrium.
The condition under which two substances in physical contact with each other exchange no heat energy. Two substances in thermal equilibrium are said to be at the same temperature.
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Two types of reactions
Endothermic
Processes in which energy is absorbed as it proceeds, and surroundings become colder
Exothermic
Processes in which energy is released as it proceeds, and surroundings become warmer
Temperature: (T)
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as kinetic energy increases, so does temperature
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