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Altairs
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I was studying the Ideal gas properties of air. Among other properties like [itex]h[/itex], [itex]P_r[/itex], [itex]U[/itex], [itex]V_r[/itex] I also found an [itex]S^o[/itex]. What is this entropy like thing ?
Altairs said:I was studying the Ideal gas properties of air. Among other properties like [itex]h[/itex], [itex]P_r[/itex], [itex]U[/itex], [itex]V_r[/itex] I also found an [itex]S^o[/itex]. What is this entropy like thing ?
Altairs said:Standard State Entropy ? What's the difference between Standard STate Entropy and the normal Entropy ?
An ideal gas is a theoretical gas composed of particles that have no volume and do not interact with each other. This means that an ideal gas follows the gas laws (Boyle's Law, Charles's Law, Avogadro's Law) perfectly, and its behavior can be described by the ideal gas law (PV = nRT).
An ideal gas has the following properties:
Air is a mixture of gases and can behave as an ideal gas under certain conditions, such as low pressure and high temperature. However, at high pressures and low temperatures, the behavior of air deviates from that of an ideal gas due to the intermolecular forces between its particles.
The ideal gas constant (R) has units of energy per mole per Kelvin (J/mol·K) in the SI system of units. However, it can also be expressed as pressure times volume per temperature (PV/T) in other unit systems, such as atm·L/mol·K or mmHg·m^3/mol·K.
The ideal gas law (PV = nRT) can be used to calculate various properties of air, such as pressure, volume, temperature, and number of moles. By knowing three of these properties, the fourth one can be calculated using the ideal gas law. This can be particularly useful in engineering and thermodynamics applications.