Units and dimensions; dimensional equations; concentrations, force, pressure and temperature; systems, flow diagrams of systems, mass balances in steady-state systems and recycle, purge and bypass conditions; gaseous and steams; moisture and saturation; heat, work, potential energy, kinetic energy, internal energy, enthalpy, heat capacity, sensible heat, heat of fusion and vaporization; energy balances in steady-state systems; steam tables; psychrometric chart