1.

One of the important approach of the study of real gases involves the analysis of a parameter Z called the compressibility factor Z=(PV_(m))/(RT) where P is pressure, V_(m) is molar volume ,T is absolute temperature and R is the universal gas constant .Such a relation can also be expressed as Z=((V_(" m real"))/(V_("m ideal"))) (where V_("m ideal") and V_("m real") are the moler volume for ideal and real gas respectively tendencies among constituent particles.As pressure is force among is lowered or temperature is increased the value of Z approaches ideal behaviour For a realgas 'G', Zgt1 at STP, then for 'G' which of the following is true ?

Answer»

1mole of the GAS occupies 22.7 L at STP
1 mole of the gas occupies 22.7 L at PRESSURE higher then that at STP (Keeping temperature CONSTANT )
1 Mole of the gas occupies 22.7 L at pressure lower then that at STP (keeping temperature constant )
NONE of the above

Answer :B


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