Stoichiometry 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. 92 -23 -92 46 92 -23 -92 46 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH CS₂ > C₂H₅OH > H₂O ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Normality of a solution does not change with the increase in the Temperature Dilution of the solution Pressure Solute concentration Temperature Dilution of the solution Pressure Solute concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 300° 273° 400° 300° 300° 273° 400° 300° ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Intermolecular forces of attraction Potential energy Kinetic energy Total energy Intermolecular forces of attraction Potential energy Kinetic energy Total energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1019 1026 1023 1020 1019 1026 1023 1020 ANSWER DOWNLOAD EXAMIANS APP
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