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1_ThermodynamicsNotes_0910 - Thermodynamics Movement of...

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1 Thermodynamics s “Movement of Heat” s The study of heat and its transformation to and from mechanical energy. Temperature s Tells us how warm or cold an object is relative to some standard. s Measure of the average kinetic energy of a substance. s Measured using a thermometer. b How does a thermometer work? Temperature s There is no upper limit on temperature s There is a lower limit on temperature: Absolute Zero b Point where no more energy can be removed. b Theoretically, at absolute zero, the volume and pressure of a gas would be zero. s Important Temperatures!! What Causes Temperature? s Kinetic-Molecular Theory b Matter is tiny particles always in motion. b As they gain energy, move faster. b Faster means greater average kinetic energy . b More kinetic energy, greater temperature.
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2 Temperature is NOT a measure of Total Kinetic Energy s If the same amount of energy is added to a cup of water and a gallon of water, which one will end up having a higher temperature?
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1_ThermodynamicsNotes_0910 - Thermodynamics Movement of...

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