chemical engg thermodynamics 2 min read
Multiple Chemical Sensitivity
Multiple chemical sensitivity can include a wide range of symptoms, which some people link to their environment. It’s also known…
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Boiling Point Elevation and Freezing Point Depression
The colligative properties really depend on the escaping tendency of solvent molecules from the liquid phase. You will recall that…
chemical engg thermodynamics 7 min read
PHASE EQUILIBRIUM
Phase equilibrium conditions of a system comprising v components (where v ≥ 1) and φ phases (where φ ≥ 1)…
chemical engg thermodynamics 1 min read
Henry’s law
Henry’s law is one of the gas laws formulated by William Henry in 1803 and states: “At a constant temperature,…
chemical engg thermodynamics 1 min read
Infinite Dilution
The term ’infinite dilution‘ is often encountered in reviewing the properties of solutions. However some caution has to be exercised…
chemical engg thermodynamics 4 min read
Internal Energy (E), Enthalpy (H), Entropy (S), Volume (V) of Phases and Reactions
The Gibbs Free Energy of any phase varies with pressure and temperature. The fundamental relationship is: G = E +…
chemical engg thermodynamics 3 min read
Gibbs Free Energy and Other Thermodynamic Functions
Dexter Perkins (University of North Dakota), Andrea Koziol (University of Dayton), John Brady (Smith College) Comparing the Gibbs Free Energy…
chemical engg thermodynamics 4 min read
The Clausius-Clapeyron Equation:
The equilibrium between water and water vapor depends upon the temperature of the system. If the temperature increases the saturation…
chemical engg thermodynamics 2 min read
Gibbs’ Phase Rule
The Phase Rule describes the possible number of degrees of freedom in a (closed) system at equilibrium, in terms of…
chemical engg thermodynamics 1 min read
The Maxwell relations
The Maxwell relations The Maxwell relations: a single-component system
chemical engg thermodynamics 1 min read
Thermodynamic potentials
Thermodynamic potentials are state functions that, together with the corresponding equations of state, describe the equilibrium behavior of a system…
chemical engg thermodynamics 2 min read
Defining Entropy (S) through the Clausius Inequality
Consider two heat engines, one a reversible (Carnot) engine and the other an irreversible heat engine. For purposes of developing…