Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation None of these Product enrichment Yield enhancement Heat conservation None of these Product enrichment Yield enhancement 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.? 0.6 0.2 0.1 0.4 0.6 0.2 0.1 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated molal absolute humidity of the vapor-gas mixture depends upon the Neither A nor B Total pressure Both A & B Vapor pressure at dry bulb temperature Neither A nor B Total pressure Both A & B Vapor pressure at dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry NaOH contains __________ percent oxygen. 1 16 40 10 1 16 40 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is 5/9 8/9 1/2 1/9 5/9 8/9 1/2 1/9 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Becomes zero at the critical point Decreases with increasing pressure Increases with pressure rise Both B & C Becomes zero at the critical point Decreases with increasing pressure Increases with pressure rise Both B & C ANSWER DOWNLOAD EXAMIANS APP
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