Stoichiometry 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) 0.98 0.9 0.95 0.8 0.98 0.9 0.95 0.8 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the Nature of both the gas & the liquid Total pressure Temperature None of these Nature of both the gas & the liquid Total pressure Temperature None of these 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 CS₂ > H₂O > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH CS₂ > H₂O > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An azeotropic solution of two liquids has boiling point lower than either of them, when it Shows positive deviation from Raoult's law Is saturated Is unsaturated Shows negative deviation from Raoult's law Shows positive deviation from Raoult's law Is saturated Is unsaturated Shows negative deviation from Raoult's law ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a unit of length? Parsec Fermi Angstrom Barn Parsec Fermi Angstrom Barn ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids. Non-polar Polar Neither A nor B Both A & B Non-polar Polar Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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