Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 720 200 60.3 180 720 200 60.3 180 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The osmotic pressure of a solution is directly proportional to the All of these Absolute temperature of a given concentration Molecular concentration of the solute Lowering of vapor pressure All of these Absolute temperature of a given concentration Molecular concentration of the solute Lowering of vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 345 350 140 485 345 350 140 485 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Viscosity of atmospheric air may be about __________ centipoise. 1.5 0.015 150 15 1.5 0.015 150 15 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 Xw = 0.5 0.5 < Xw < 1.0 Xw = 1.0 0 < Xw < 0.5 Xw = 0.5 0.5 < Xw < 1.0 Xw = 1.0 0 < Xw < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Remain unchanged. Decrease. increase. Either A or B; depends on the concentration of the solution. Remain unchanged. Decrease. increase. Either A or B; depends on the concentration of the solution. ANSWER DOWNLOAD EXAMIANS APP
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