Useful Links
Chemistry
General Chemistry
Thermodynamics
Laws of Thermodynamics
Zeroth Law of Thermodynamics
Concept of thermal equilibrium
Transitive property of temperature
First Law of Thermodynamics
Law of energy conservation
Internal energy
Heat and work interactions
Mathematical formulation: ΔU = Q - W
Applications to closed and open systems
Second Law of Thermodynamics
Direction of natural processes
Entropy and irreversibility
Statements of the second law
Clausius statement
Kelvin-Planck statement
Concepts of heat engines and refrigerators
Carnot cycle and its implications
Third Law of Thermodynamics
Behavior of entropy at absolute zero
Implications for the unattainability of absolute zero
The concept of residual entropy
Enthalpy, Entropy, and Free Energy
Enthalpy (H)
Definition and units
Enthalpy changes: exothermic and endothermic reactions
Standard enthalpy changes: formation and combustion
Enthalpy diagrams and Hess's Law
Entropy (S)
Definition and units
Statistical interpretation
Entropy change and spontaneity
Calculating entropy change for reversible and irreversible processes
Gibbs Free Energy (G)
Definition and units
Relationship with spontaneity: ΔG < 0, ΔG = 0, ΔG > 0
Standard Gibbs free energy of formation
ΔG = ΔH - TΔS: its implications and applications
Heat Capacity and Calorimetry
Definitions of heat capacity, specific heat, and molar heat capacity
Differences between constant pressure heat capacity (Cp) and constant volume heat capacity (Cv)
Methods of calorimetry
Coffee cup calorimetry
Bomb calorimetry
Calculation of enthalpy changes using calorimetric data
Hess’s Law
Principle of the conservation of energy in chemical reactions
Use in calculating enthalpy changes for complex reactions
Construction and interpretation of enthalpy cycles
Applications of Thermodynamics
Chemical thermodynamics
Reaction spontaneity
Equilibrium constants and temperature
Physical Processes
Phase transitions and phase diagrams
Clapeyron and Clausius-Clapeyron equations for phase transitions
Real-world systems
Thermodynamics in engineering systems
Environmental implications and energy efficiency
Biological thermodynamics: ATP generation, biochemical reactions
Non-equilibrium Thermodynamics
Overview and basic concepts
Phenomenological irreversible processes
Coupled reactions and flows
Applications in physics, chemistry, and biology
Statistical Thermodynamics
Connection between microscopic and macroscopic states
Boltzmann distribution
Partition functions and their importance
Statistical interpretation of entropy
Calculation of thermodynamic quantities from molecular properties
5. States of Matter
First Page
7. Chemical Reactions