Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? A₂B AB₃ AB₂ A₂B₃ A₂B AB₃ AB₂ A₂B₃ 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 CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor. Saturated Dry gaseous Unsaturated Superheated Saturated Dry gaseous Unsaturated Superheated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Isotonic solutions must have the same Critical temperature Normality Molar concentration Viscosity Critical temperature Normality Molar concentration Viscosity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The unit of dynamic viscosity is Gm/cm sec Stoke Poise Both B & C Gm/cm sec Stoke Poise Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies 0.5 < Xw < 1.0 Xw = 0.5 Xw = 1.0 0 < Xw < 0.5 0.5 < Xw < 1.0 Xw = 0.5 Xw = 1.0 0 < Xw < 0.5 ANSWER DOWNLOAD EXAMIANS APP
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