UCSD SIO 217A - Lecture (6 pages)

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Lecture



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Lecture

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Lecture Notes


Pages:
6
School:
University of California, San Diego
Course:
Sio 217a - Atmospheric and Climate Sciences I

Unformatted text preview:

Chapter 3 Homework Radiance Ch 3 Homework Correction At zenith angle Z Isotropic Extra Credit 2 pts for Latex Answer Key submit by email by Friday 12 30pm Lecture Ch 4a Equilibrium Phase changes Enthalpy changes from phase changes Latent heat Clapeyron equation Clausius Clapeyron equation Curry and Webster Ch 4 pp 96 115 skip 4 5 except 4 5 1 4 6 For Wednesday Homework Problem Ch 4 Prob 4 5 1 Atmospheric Components Phase Diagrams Pressure temperature diagrams Degrees of freedom Pressure volume diagrams dG 0 Consider Tangent vs Average p T g dp p p2 p1 dT T T2 T1 Phase Equilibrium Thermal equilibrium Mechanical equilibrium Reminders Virtual Temperature The temperature air would have at the given pressure and density if there were no water vapor in it Tv T 1 0 608qv Chemical equilibrium Potential Temperature The temperature a parcel would have if it were brought adiabatically and reversibly to p0 usually 1 atm p T 0 p Rd c pd Virtual Potential Temperature The temperature a parcel would have if there were no water vapor in it only condensed water and if it were brought adiabatically and reversibly to p0 usually 1 atm Rd c pd 0 v v p T 1 0 608q p 2 Water Vapor Metrics Chemical Equilibrium Two phases in equilibrium Constant T P GT P 0 GT P 0 Phase changes Constant T P What was G Gibbs Free Energy Enthalpy Change Enthalpy for phase transition Define latent heat Quiz Answer briefly and clearly with appropriate equations or diagrams What is mechanical equilibrium Give an equation What 3 equilibria are required for the Gibbs phase rule Give the equation for the Gibbs phase rule What is the change in free energy for a phase change at constant T P What type of pressure change is described by the Clausius Clapeyron equation i e what changes as a function of what under what conditions Clapeyron Equation Enthalpy change for any phase transition Exact tangent Not exact but usually good Exact average Curry and Webster Ch 4 3 Clausius Clapeyron Equation Latent heat of vaporization



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