CH 431/Lecture contents
From WolfWikis
* 1 LECTURE 1:Gas law * 2 Units o 2.1 Pressure units o 2.2 Volume units o 2.3 Temperature units * 3 Non-ideal behavior o 3.1 Compressibility o 3.2 Van der Waals o 3.3 Corresponding states * 1 LECTURE 2 * 2 Probability distributions o 2.1 Discrete distributions o 2.2 Indistinguishable outcomes o 2.3 Moments of distributions o 2.4 Continuous distributions * 3 Energy levels o 3.1 Quantization o 3.2 Duality o 3.3 Standing waves in a 'box' o 3.4 Size changes o 3.5 Potential energy o 3.6 Ideal gases, 3D boxes * 3.6.1 Degeneracy * 3.6.2 Translational motion, degrees of freedom o 3.7 Rotational and vibrational energy states * 4 Statistical thermodynamics o 4.1 Thermal energy o 4.2 The Boltzmann probability factor o 4.3 Why the Boltzmann factor is an exponential * 1 LECTURE 3 o 1.1 Partition functions + 1.1.1 Molecular partition functions versus system partition functions + 1.1.2 Translational partition function of a monatomic gas # 1.1.2.1 Breakdown of Boltzmann statistics o 1.2 Other partition functions * 1.2.1 Electronic * 1.2.2 Vibrational * 1.2.3 Rotational * 1 LECTURE 4 o 1.1 Classical thermodynamics o 1.2 Partial differentiation o 1.3 Exact and inexact differentials. State and path functions. o 1.4 The zeroth and first law of thermodynamics o 1.5 Heat and work + 1.5.1 Dissipation and the concept of energy + 1.5.2 Types of work # 1.5.2.1 A special case: volume work # 1.5.2.2 Sign conventions o 1.6 Compressing a gas in a cylinder + 1.6.1 Compression one (irreversible): + 1.6.2 Compression two (reversible). o 1.7 Reversible versus irreversible o 1.8 Work and heat are not state functions o 1.9 The more complete first law * 1 LECTURE 5: Isotherms and adiabats o 1.1 Isothermal expansion of an ideal gas o 1.2 Adiabatic expansion of an ideal gas o 1.3 Statistical interpretation * 1 LECTURE 6: Chemical thermodynamics o 1.1 Enthalpy o 1.2 Determining enthalpies from heat capacities. + 1.2.1 Scanning calorimetry * 2 Heat of chemical reactions o 2.1 Formation enthalpy o 2.2 Heat of combustion o 2.3 Hess's law + 2.3.1 Reaction-as-written convention (caution!) + 2.3.2 Reverse reactions + 2.3.3 Combining values o 2.4 Tabulation and standard states * 2.4.1 Standard states * 2.4.2 Tabulation o 2.5 Changing temperature o 2.6 Changing pressure * 1 LECTURE 7 o 1.1 Spontaneity and entropy o 1.2 A new state function named entropy + 1.2.1 Circular integrals o 1.3 Spontaneity of an isolated system + 1.3.1 Entropy exchange of an open system o 1.4 Second law + 1.4.1 Vacuum expansion + 1.4.2 Mixing two gases + 1.4.3 Carnot cycles + 1.4.4 Efficiency + 1.4.5 Heat pumps * 1 LECTURE 8 o 1.1 Two items left on our wish list + 1.1.1 Entropy on a microscopic scale # 1.1.1.1 Permutations o 1.2 Changing the size of the box with the particles in it + 1.2.1 Partition functions and entropy + 1.2.2 Entropy versus temperature # 1.2.2.1 Natural variables # 1.2.2.2 Entropy and heat capacity + 1.2.3 Absolute entropies. The third law * 1 LECTURE 9 o 1.1 One item that is left on our wish list o 1.2 Helmholtz energies + 1.2.1 Natural variables of A o 1.3 Gibbs energy + 1.3.1 Phase transitions + 1.3.2 Direction of the spontaneous change + 1.3.3 Meaning of the ΔG term + 1.3.4 Conjugate variables + 1.3.5 Natural variables of G * 1 LECTURE 10 o 1.1 Partial derivatives as powerful machinery + 1.1.1 The partial differentials of first and second order. Maxwell relations + 1.1.2 'Measuring' entropy * 1.1.2.1 Measuring entropy of an electrochemical reaction + 1.1.3 Energy U versus volume o 1.2 The relation between the heat capacities * 1 LECTURE 11 o 1.1 Enthalpy H versus pressure o 1.2 Gibbs free energy G versus pressure o 1.3 The Gibbs-Helmholtz expression o 1.4 Gibbs free energy at function of T. + 1.4.1 Tabulation of H,S and G. Frozen entropy o 1.5 Transitions of order one and two * 1 LECTURE 12 * 1 Phase diagrams o 1.1 Diagrams o 1.2 Thermodynamic stability o 1.3 Fluctuations o 1.4 Unary phase diagrams + 1.4.1 Liquid-vapor equilibrium + 1.4.2 Gas-solid + 1.4.3 Liquid-solid + 1.4.4 Putting the lines together * 2 Binary systems o 2.1 Number of moles o 2.2 Partial variables o 2.3 Thermodynamic potentials + 2.3.1 Thermodynamic and electrochemical potentials o 2.4 Gaseous mixtures o 2.5 Liquid mixtures o 2.6 Solid mixtures o 2.7 Ideal liquid-gas phase diagram * 1 LECTURE 13 o 1.1 Mixtures o 1.2 Partial quantities and scaling o 1.3 Gaseous mixtures o 1.4 Liquid mixtures o 1.5 Solid mixtures o 1.6 Ideal liquid- ideal gas phase diagram + 1.6.1 The pressure diagram + 1.6.2 The temperature diagram # 1.6.2.1 The lever rule # 1.6.2.2 Distillation * 1 LECTURE 14 * 2 Thermodynamics of solutions o 2.1 Thermodynamic potentials of solutions + 2.1.1 Thermodynamic potentials of ideal solutions o 2.2 Thermodynamics of ideal mixing o 2.3 Vapor pressures on non-ideal solutions + 2.3.1 Henry's law + 2.3.2 The other component # 2.3.2.1 Gibbs-Duhem # 2.3.2.2 Gibbs-Duhem in the ideal case # 2.3.2.3 Gibbs-Duhem and Henry's law + 2.3.3 Margules functions + 2.3.4 Activity and activity coefficients + 2.3.5 Regular solutions # 2.3.5.1 Gibbs free energy of regular solutions o 2.4 Real solutions o 2.5 Boiling non-ideal solutions + 2.5.1 Azeotropes + 2.5.2 Eutectics * 1 LECTURE 15 o 1.1 Activities + 1.1.1 Raoult versus Henry + 1.1.2 Various concentration unit + 1.1.3 Non-volatile solutes o 1.2 Colligative properties + 1.2.1 Melting point depression # 1.2.1.1 Determining molar masses nowadays # 1.2.1.2 Purity analysis + 1.2.2 Osmosis # 1.2.2.1 Semipermeable membranes * 1 LECTURE 16 o 1.1 Ionic solutions + 1.1.1 Thermodynamic potentials versus the dissociation + 1.1.2 Mean ionic activity + 1.1.3 Activity coefficients + 1.1.4 Mean ionic molality + 1.1.5 Mean ionic activity coefficient + 1.1.6 Measuring mean ionic activity coefficients + 1.1.7 Debye-Hückel theory # 1.1.7.1 Debye length * 1.1.7.1.1 Ionic strength + 1.1.8 Ionic replacement + 1.1.9 Extension of the Debye theory + 1.1.10 Importance for colloids * 1 LECTURE 17 o 1.1 Chemical reactions and the liquid problem o 1.2 Extent of reaction + 1.2.1 Measuring ξ o 1.3 Thermodynamic potentials + 1.3.1 Gas reactions + 1.3.2 ΔrG versus ΔfG + 1.3.3 Equilibrium constants + 1.3.4 Concentration o 1.4 Activity o 1.5 activities of pure condensed phases o 1.6 Le Chatelier o 1.7 K as a function of temperature o 1.8 Spontaneity o 1.9 Weak electrolytes o 1.10 Solubility products