chemical engg thermodynamics 6 min read
What is the Second Law of Thermodynamics?
The laws of thermodynamics describe the relationships between thermal energy, or heat, and other forms of energy, and how energy…
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Heat Engine and Heat Pumps
One of the most important things we can do with heat is to use it to do work. Do you…
chemical engg thermodynamics 1 min read
Mollier Diagram for Water-Steam
The diagram below can be used to determine enthalpy versus entropy of water and steam. The Mollier diagram is useful…
chemical engg thermodynamics 3 min read
Phase Diagrams of Pure Substances:
In thermodynamics, a system is a region of space of which we have some interest. Often the system will consist of one…
chemical engg thermodynamics 1 min read
COMPRESSIBILITY FACTOR
Compressibility factor, usually defined as Z = pV/RT, is unity for an ideal gas. It should not be confused with…
chemical engg thermodynamics 1 min read
What is the state principle for simple compressible systems?
Definition of the state principle For a simple compressible system, values for any two independent intensive properties determine the values of all other intensive…
chemical engg thermodynamics 1 min read
What is a Phase In Substance?
These are Chemical Substances which will be ‘phased in’ to the REACH regulation. They fall into one of three categories:…
chemical engg thermodynamics 3 min read
Principle of Corresponding States (PCS)
The principle of Corresponding States (PCS) was stated by van der Waals and reads: “Substances behave alike at the same…
chemical engg thermodynamics 6 min read
Pure Substances
Phase Change and Property Diagrams In this chapter we consider the property values and relationships of a pure substance (such…
chemical engg thermodynamics 2 min read
Internal Energy
One of the thermodynamic properties of a system is its internal energy, E, which is the sum of the kinetic and potential…
chemical engg thermodynamics 2 min read
Two property Rule in Thermodynamics
Pure Substance Let we first go through the definition of pure substance to understand its meaning. “A pure substance is…