CHM 3400 Final

Spring 2006

Wed., April 26, 3:30-6:15 pm, PC 310

7-10 questions

Comprehensive

New material emphasized

Topics

Ch 1

• Gas laws
• Condensation
• Critical temperature

Ch 2

• Know 1^st, 2^nd, 3^rd laws
• Work & heat
• Constant-p and reversible expansion
• Enthalpy
• Heat capacity (C_V and C_p)

Ch 3

• DH for Phase transitions
• DH for Ionization & electron gain
• Bond enthalpies
• DH for combustion
• Enthalpy of formation
• Enthalpy of reaction
• Kirchoff’s law

Ch 4

• Entropy definition
• DS for expansion
• DS for heating
• DS for phase transition
• DS for surroundings
• Total DS and 2^nd law
• Absolute entropy
• Standard reaction entropy
• DS and spontaneity of reaction
• Definition of G
• G and spontaneity
• G as maximum non-expansion work

Ch 5

• Dependence of DG on pressure and temperature change
• Phase diagrams
• Clapeyron & Clausius-Clapeyron equations
• Phase rule

Ch 6

• Chemical potential
• DG and DS for mixing
• Ideal & Ideal-dilute solutions
• Raoul’s & Henry’s laws
• Phase diagrams for mixtures
• Activity
• Colligative properties
• Liquid-vaper, liquid-liquid, liquid-solid phase diagrams
• Lever rule
• Azeotrope, fractional distillation
• Eutectic

Ch 7

• D_rG
• Standard Reaction Gibbs energy
• Dependence of DG of composition
• Q and K
• K_c, K_p
• Le Chatelier’s principle
• Van’t Hoff equation (dependence of K on T)

Ch 9

• Mean activity coefficient
• Debye-Hueckel theory
• Migration of ions
• Electrochemical cells
• Half reactions
• Cell notation
• Cell potential
• Nernst equation
• Determine equilibrium constant, pH etc.
• Determine DG & DS

Ch 10

• Rate laws
• Order of reaction
• Rate constants
• Integrated rate laws
• Half life
• Arrhenius equation
• Transition state theory

Ch 11

• Equilibrium reaction schemes
• Consecutive reaction schemes
• Reaction mechanisms
• Steady-state approximation

Ch 12

• Failures of classical physics
• de Broglie
• Heisenberg
• Schrödinger equation (time dependent & time independent)
• Standing waves
• Born interpretation
• Model problems (particle-in-a-box, particle-on-ring, harmonic oscillator)

Ch 13

• Schrödinger equation for electrons in atoms & molecules
• Quantum numbers n l m_l m_s
• Orbitals

Ch 19

• Rotational spectroscopy
• Moment of inertia
• Bond distance
• Vibrational spectroscopy
• Force constant
• Selection rules
• Vibrational-rotational spectra
• P,Q,R branches