51. 1 gm mole of methane (CH4) contains
52. N2 content in a urea sample was found to be only 42%. What is the actual urea content of the sample? (molecular weight of urea = 60)
53. Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is
54. __________ equation gives the effect of temperature on heat of reaction.
55. For the gaseous phase reaction, N2 + O2 ⇋ 2NO, ΔH = + 80 kJ/kg.mole; the decomposition of NO is favoured by
56. The most convenient way of expressing solution concentration is in terms of
57. For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become
58. For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).
59. N.T.P. corresponds to
60. Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components.
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