lecture 1-29 grg sec1

lecture 1-29 grg sec1 - Lecture GRG 301K Definitions to...

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Lecture 1-29-08 GRG 301K Definitions to Know… Energy - The property of a system that enables it to do work (kinetic, electrical, chemical, etc.) Temperature – “hotness”/”coldness; is subjective and dependent on the motion of molecules. Heat - for of energy transferred between objects by virtue of temperature difference. Mass is an important factor of heat. Heat capacity - ratio absorbed (or released) by a system compared to the corresponding temperate rise (or fall). Latent Heat (“hidden” form of heat) Heat energy required for change of state i.e. liquid, solid, gas Example: Evaporation of water (Latent Heat of Evaporation) Evaporation is a cooling process Slower in humidity Faster in dry air or low humidity Example: Condensation of water vapor (Latent Heat of Condensation) Condensation is a warming process A very important source of atmospheric energy Latent Heat through condensation = thunderstorms and lightning Latent Heat of Evaporation – Heat is “hidden” away in water vapor Latent Heat of Condensation – Sensible heat is released
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This note was uploaded on 03/19/2008 for the course GRG 301K taught by Professor Kimmel during the Spring '08 term at University of Texas.

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lecture 1-29 grg sec1 - Lecture GRG 301K Definitions to...

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