Question

What is Boyle's temperature ? What are the critical temperature, pressure and volume.Write their formulas. What is the value of Z at critical constraints .​

Answer 1

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$\bf\underline\color{red} Boyles. Temperature$

The Boyle temperature is formally defined as the temperature for which the second virial coefficient, becomes zero. It is at this temperature that the attractive forces and the repulsive forces acting on the gas particles balance out This is the virial equation of state and describes a real gas.

$\bf\underline\color{red} Critical. Temperature$

374°C

Every substance has a critical temperature. Some examples are shown below. Tubes containing water at several temperatures. Note that at or above 374oC (the critical temperature for water), only water vapor exists in the tube.

$\bf\underline\color{red} Pressure; Volume$

Standard Pressure

This formulation has become established as Boyle's law. Of course, the relationship is valid only if the temperature remains constant. As an example of the use of this law, consider an elastic balloon holding 5 L of air at the normal atmospheric pressure of 760 mm Hg.

Standard Volume

The relationship for Boyle's Law can be expressed as follows: P1V1 = P2V2, where P1 and V1 are the initial pressure and volume values, and P2 and V2 are the values of the pressure and volume of the gas after change.