Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). 1/Sv Sv 1/St St 1/Sv Sv 1/St St ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0⁻⁵m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10⁻³. The rate of evaporation of aniline is 2.97 x 10⁻⁴. Its units are Kmole/m² . s Mole/cm². s Mole/s Mole/m² . s Kmole/m² . s Mole/cm². s Mole/s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the Nature of the liquid Total pressure Temperature of the liquid Nature of the gas Nature of the liquid Total pressure Temperature of the liquid Nature of the gas ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Raoult's law is not applicable to the Both B & C Concentrated solutions Solutes which dissociate or associate in the particular solution Solutions containing non-volatile solute Both B & C Concentrated solutions Solutes which dissociate or associate in the particular solution Solutions containing non-volatile solute 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 0.6 0.2 0.4 0.1 0.6 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Exponentially Negligibly Inversely Linearly Exponentially Negligibly Inversely Linearly ANSWER DOWNLOAD EXAMIANS APP
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