If you know all the concepts in the list below, you should be able to do well on the midterm exam. Be sure to review your quizzes and your homework problems.

1. The First Law of Thermodynamics: concept and equation (including the meaning of each term). dU/dt= Q + W
2. Ideal gas law: equation in two forms. pV = NkT and p = r RT.
3. Enthalpy: concept and equation. H=U+pV
4. Adiabatic processes: concept and use.
5. Dry adiabatic lapse rate.
6. Stability and buoyancy: concepts and relation to lapse rate.
7. Entropy: concept and equation. dS/dt = Q/T (in process for which W=-pdV/dt)
8. Reversible and irreversible processes: concepts and examples.
9. The Second Law of Thermodynamics.
10. Potential temperature: concept and equation. Q = T (p_o/p) ^{(g -1)/ g}
11. Carnot cycle: concept, individual processes, energy, and entropy.
12. Efficiency of the Carnot cycle: equation. h =1-T_low/T_high
13. Measures of water vapor: mass mixing ratio, and specific humidity, relative humidity
14. The concepts of condensation and evaporation, and C/E = e/e _s
15. Boiling: concept and change with altitude
16. Dewpoint temperature: concept
17. Saturation vapor pressure: concept
18. Gibbs free energy: what it is, how we use it, and the equation: G = H - TS
19. Clausius-Clapeyron Equation:  (1/e_s)de _s/dT = l_v/R_vT²
20. Enthalpies of vaporization, fusion, and sublimation and how they relate to each other
21. Effects of the difference between the saturation vapor pressure over ice and over liquid water
    
22. How the van der Waals equation of state differs from the ideal gas law
23. Critical temperature: concept
24. The water vapor phase diagram near the triple point (Figure 5.13 ) and what it means
25. Simple problems involving cooling, heating, expansion, and phase changes