DISTINGUISH BETWEEN ISOBARIC AND ISOCHORIC.
as answered previously...
Isobaric: When the pressure of a system is kept constant, it is called isobaric condition i.e. ΔP =0
For an ideal gas undergoing an isobaric process (a process in which pressure is constant), V/T = Constant
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Isochoric: When the volume of a system is kept constant, it is called isochoric condition i.e. ΔV =0
For an ideal gas undergoing an isochoric process (a process in which volume is constant), P/T = Constant