SEARCH Articles Figures Tables Energy First Law of Thermodynamics Energy The First Law of Thermodynamics Energy and the first law of thermodynamics Energy changes and first law of thermodynamics Energy, Work, and Heat The First Law of Thermodynamics First Law of Thermodynamics The total First law First law of thermodynamic First law of thermodynamics First law of thermodynamics (for open First law of thermodynamics See First law of thermodynamics The First law of thermodynamics enthalpy First law of thermodynamics for closed systems First law of thermodynamics for open systems First law of thermodynamics state functions First law of thermodynamics statement First law of thermodynamics, conservation First law of thermodynamics, internal energy Heat (The First Law of Thermodynamics) Internal Energy The First Law of Thermodynamics The First Law of Thermodynamics for Closed Systems The First Law of Thermodynamics for Open Systems The First Law of Thermodynamics for a System The First and Second Laws of Thermodynamics The Zeroth and First Laws of Thermodynamics The first law of thermodynamics enthalpy Thermochemistry first law of thermodynamics Thermodynamic first law Thermodynamic first law Thermodynamic law Thermodynamics first and second laws Thermodynamics laws Thermodynamics the First Law Thermodynamics, first second laws