1.

For a real gas the P -V curve was experimentally plotted and it hed the following appearance. With respect to liquifaction. Choose the correct statement.

Answer»

at `T = 500K, P = 40` atm, the STATE will be liquid
at `T = 300K, P = 50` atm, the state will be gas
at `T lt 300K, P gt 20` atm, the state will be gas
at `300 K lt T lt 500 K, P gt 50` atm, the state will be liquid.

Solution :
(a) at `T = 500K, P = 40 atm` corresponds to 'a' SUBSTANCE - ga
(b) at `T= 300 K, P = 50 atm` corresponds to 'b' substance -liquid
(c ) at `T lt 300 K, P gt 20 atm` corresponds to 'c' substance -liquid
(d) at `T lt 500 K, P gt 50 atm` corresponds to 'd' substance -liquid
So, Answer (D)


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