Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Decrease. Either A or B; depends on the concentration of the solution. increase. Remain unchanged. Decrease. Either A or B; depends on the concentration of the solution. increase. Remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 4576 J 19206 J 12712 J 13728 J 4576 J 19206 J 12712 J 13728 J ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Boiling point depression Freezing point elevation Vapor pressure lowering All of these Boiling point depression Freezing point elevation Vapor pressure lowering All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Cv for monoatomic gases is equal to(where, R = gas constant) 3R R 1.5 R 2R 3R R 1.5 R 2R ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of water at 100°C is 76 cms of Hg 760 mm wc 13.6 cms of Hg 100N/m² 76 cms of Hg 760 mm wc 13.6 cms of Hg 100N/m² ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is Decreased with the increase in pressure Unchanged by the pressure change Independent of the temperature Increased with the increase in pressure Decreased with the increase in pressure Unchanged by the pressure change Independent of the temperature Increased with the increase in pressure ANSWER DOWNLOAD EXAMIANS APP
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