FINAL EXAM STUDY GUIDE

Topic Text Reference
CHAPTER 18
- Know the Law of Thermodynamics and the relationship between internal energy, heat and work
- Know the convention for the signs of heat and work
- Determine the work in a chemical reaction from the pressure and change in volume
- Calculate the internal energy of a system from given data
- Calculate the enthalpy of a reaction from enthalpy of formation data
- Know the definition of entropy and how it affects the spontaneity of a process
- Determine the spontaneity of a process from the Law of Thermodynamics
- Calculate the change in entropy of an equilibrium from enthalpy and temperature
- Predict the sign of the entropy change in a reaction without knowing the entropies of formation
- Calculate , and predict the signs of and from data
- Use ( ) as a criteria for the spontaneity of reaction
- Know Free Energy and its relation to spontaneity of a process
- Calculate for a reaction from and
- Evaluate the effect of , and T on spontaneity or reactions
- Calculate from standard molar entropies
- Calculate for a reaction from the standard free energies of formation ( )
- Calculate the non-standard change in free energy ( ) from and Q values
- Calculate the at various temperatures other than
- Calculate temperature at which a reaction becomes spontaneous
- Calculate the equilibrium constant at various temperatures from values
Notes
Notes
Notes
Notes
Notes
18.2-18.3
18.3
18.3
18.3
18.4
Notes
18.5
18.5
18.5
18.6
18.8
18.8
Notes
18.9
18.9
CHAPTER 19
- Assign oxidation numbers and determine oxidized and reduced species in a redox reaction
- Determine oxidizing and reducing agents in a redox reaction
- Balance redox reactions in acidic or basic solutions using the half-reaction method
- Know the characteristics of voltaic and electrolytic cells
- Sketch a voltaic cell, assign electrodes and determine which half-reaction occurs at each
- Interpret the shorthand notation for voltaic cells
- Use standard reduction potentials to determine the standard cell potential (
- Know the relationship of maximum work to the cell potential ( )
- Determine the relative strength of oxidizing and reducing agents from standard reduction potentials
- Calculate for a cell from its standard cell potential ( ), and vice versa
- Calculate equilibrium constant (K) from cell potential, and vice versa
- Calculate the cell potential under non-standard conditions using Nernst equation
- Sketch an electrolytic cell, assign electrodes and determine which half-reaction occurs at each
- Predict the products of electrolysis for a molten salt mixture
Notes
Notes
19.2
Notes
19.3
19.3
19.4
Notes
Notes
19.5
19.5
19.6
19.8
19.8