EXAMIANS
2 litres of nitrogen at N.T.P. weighs __________ gms.
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The unit of Cp in S.I. units is
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N.T.P. corresponds to
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A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of
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Colligative properties of a dilute solution are those, which depend entirely upon the
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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
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For estimation of heat capacity of a solid compound, one can use
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The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of
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Size range of the colloidals particles is
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Heat of transition is the heat evolved or absorbed, when a substance is converted from
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