51. 1 kg/m2 is equal to __________ mm water column.
52. Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces?
53. Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult's law is proportional to the
54. 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.
55. °API gravity of water at N.T.P. is about
56. Enthalpy of formation of NH3 is -46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to __________ kJ/kg. mole.
57. Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the
58. Kinematic viscosity of 1 m2/second is equivalent to __________ stokes.
59. The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation
60. Unit of mass velocity is
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