Stoichiometry A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is N₂O₃ None of these N₂O₅ N₂O₄ N₂O₃ None of these N₂O₅ N₂O₄ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. All of these Boiling point depression Vapor pressure lowering Freezing point elevation All of these Boiling point depression Vapor pressure lowering Freezing point elevation 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 Mole/s Mole/m² . s Mole/cm². s Kmole/m² . s Mole/s Mole/m² . s Mole/cm². s Kmole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its Molality Mole fraction of the solute Molarity Weight % of the solute Molality Mole fraction of the solute Molarity Weight % of the solute ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Colligative properties of a dilute solution are those, which depend entirely upon the Constitution of the solute Chemical composition of the solute Number of solute molecules contained in a given volume of the solvent None of these Constitution of the solute Chemical composition of the solute Number of solute molecules contained in a given volume of the solvent None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be -136.5°K 0°K 0°C -136.5°C -136.5°K 0°K 0°C -136.5°C ANSWER DOWNLOAD EXAMIANS APP
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