Chapter Ten Notes

# Chapter Ten Notes - Chapter 10 Thermal Physics I II Thermal...

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Chapter 10: Thermal Physics I) Thermal physics: the study of temperature, heat, and how they affect matter II) Thermodynamics A) Thermal contact: if energy can be exchanged b/t two objects B) Thermal equilibrium: if two objects are in thermal contact and there is no net exchange of energy 1) Zeroth law of thermodynamics (the law of equilibrium): If objects A and B are separately in thermal  equilibrium with a third object C then A and B are in thermal equilibrium with each other 2) Two objects in thermal equilibrium with each other are the same temperature C) Heat: exchange of energy b/t two objects b/c of differences in their temperatures III) Temperature scales A) Celsius temperature scale 1) Ice point or freezing point of water: Temperature of ice-water mixture is 0 oC   2) Steam point or boiling point: the temperature of a water steam mixture is 100 oC B) Kelvin temperature scale 1) A.K.A. absolute temperature 2) Absolute zero: 0K 3) Triple point of water: 273.16K, single temperature and pressure at which water, water vapor, and ice  can coexist in equilibrium 4) Defined as 1/273.16 if the temperature of the triple point

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