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 CS₂ > H₂O > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > C₂H₅OH > CS₂ H₂O > CS₂ > C₂H₅OH CS₂ > H₂O > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > C₂H₅OH > CS₂ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Combustion Formation Fusion Solution Combustion Formation Fusion Solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry On mixing 56 gm of CaO with 63 gm of HNO₃, the amount of Ca(NO₃)₂ formed is __________ gm. 41 8.2 164 82 41 8.2 164 82 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will Decrease three fold Increase three fold Remain unaltered Increase nine fold Decrease three fold Increase three fold Remain unaltered Increase nine fold ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.1 0.2 0.4 0.6 0.1 0.2 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces? (p +a/v²) RT (V - b) 1/RT (p +a/v²) RT (V - b) 1/RT ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS