Two Basic Approaches for Thermodynamic Analysis Only four laws of thermodynamics:0-3 Law Depth of knowledge required depends on the problem Go from simple to more complex analysis(80/20 rule) Classical Thermodynamics does not require detailed knowledge of molecular structure to describe a system Statistical Thermodynamics considers quantum mechanical description and behavior of molecules 上游通大学 February 26,2019 12 SHANGHAI JLAO TONG UNIVERSITYFebruary 26, 2019 12 Two Basic Approaches for Thermodynamic Analysis Only four laws of thermodynamics: 0-3rd Law Depth of knowledge required depends on the problem Go from simple to more complex analysis(80/20 rule) Classical Thermodynamics does not require detailed knowledge of molecular structure to describe a system Statistical Thermodynamics considers quantum mechanical description and behavior of molecules