Positive deviation from ideal gas behaviour takes place because of- A)Molecular interaction and z>1 B)Molecular interactions and z<1 C)Finite size of atoms and z>1 D)Finite size of atoms and z<1
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ur ans is option A) ......
arnab200206:
can u explain why
because repulsive forces are predominant....
atoms and pv/nrt > 1 and the gas is less compressible
pv/ nRT > 1 *
in the vander waals equation its coming z=1+Pb/RT...and b stands for effective volume...so why cant it be finite size of molecules?
in case of finite size atoms ...pv is not equal to nRT ...therefore z is not equal to 1
but z is greater than 1
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