how to interpret logp vs logv graphs for an isothermal proces?? it wud be a great help.......thank u so much

DEAR MAHEEP TRIPATHI,

Any thermodynamic process is characterized by a change in the macroscopic thermodynamic variables associated with it. An isothermal process is one in which all developments occur at a constant temperature. In the language of thermodynamics, it is a process which is characterized by ΔT = 0. An isothermal process may occur because of contact with a thermal reservoir. The system exchanges heat and its state changes slowly (ΔQ ≠ 0), while maintaining a temperature equal to the temperature of the reservoir.

The ideal gas law is stated as: PV = nRT, where P is pressure, V is the volume and T is the temperature of the system, while 'n' is the number of moles of a gas. During an isothermal process, 'nRT' becomes a constant and the equation of state for the gas can be written as:

PV = Constant

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