81. The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas).
82. With rise in pressure, the solubility of gases in solvent, at a fixed temperature
83. Total energy at a point comprises of __________ energy.
84. The reverse process of fractional crystallisation is called
85. One micron is equal to
86. One 'Therm' is equivalent to
87. Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at
88. Isotopes are atoms having the same
89. One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 → CO2 + 2H2O. Both the reactants and products are in gas phase. ΔH°298 = -730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to
90. Pick out the wrong unit conversion.
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