The value of H for cooling 2 mole of an ideal monoatomic gas from 225°C to 125°C at constant pressure will be [given Cp = ].
250 R
-500 R
500 R
-250 R
The compressibility factor (Z) of one mole of a van der Waals' gas of negligible 'a' value is
1
Calculate the ratio of the rate of diffusion of oxygen to the rate of diffusion of hydrogen at constant temperature and pressure.
At identical temperature and pessure, the ratio of diffusion of hydrogen gas is times that of a hydrocarbon having molecular formula CnH2n-2. What is the value of 'n'?
1
4
3
8
Which of the following compounds shows evidence of the strongest hydrogen bonding?
Propan-1-ol
Propan-2-ol
Propan-1,2-diol
Propan-1,2,3-triol
Unusually high boiling point of water is result of
intermolecular hydrogen bonding
intramolecular hydrogen bonding
both intra and inter molecular hydrogen bonding
high specific heat