Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is Less than 80.1°C 80.1°C Greater than 80.1°C but less than 100°C 100°C Less than 80.1°C 80.1°C Greater than 80.1°C but less than 100°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Inversely Linearly Negligibly Exponentially Inversely Linearly Negligibly Exponentially ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Vapor pressure lowering All of these Freezing point elevation Boiling point depression Vapor pressure lowering All of these Freezing point elevation Boiling point depression ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its Molality Molarity Mole fraction of the solute Weight % of the solute Molality Molarity Mole fraction of the solute Weight % of the solute ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 15 5 10 20 15 5 10 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Real gases approach ideal behaviour at High pressure & low temperature High pressure & high temperature Low pressure & high temperature Low pressure & low temperature High pressure & low temperature High pressure & high temperature Low pressure & high temperature Low pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
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