2.1 the First law of thermodynamics 2.1.1 Basic terms in thermodynamics 1.System and surroundings 2.State and state functions 3.Process and path 4.Volume work 5.Thermodynamic energy 2.1.2 the First law of thermodynamics 1.the Content of the First law of thermodynamics 2.Work and heat2.1.1 Basic terms in thermodynamics 1. System and surroundings 5. Thermodynamic energy 4. Volume work 3. Process and path 2. State and state functions §2.1 the First law of thermodynamics 2.1.2 the First law of thermodynamics 1. the Content of the First law of thermodynamics 2. Work and heat