Stoichiometry Gases diffuse faster compared to liquids because of the reason that the liquid molecules Have no definite shape Are held together by stronger inter-molecular forces Move faster Are heavier Have no definite shape Are held together by stronger inter-molecular forces Move faster Are heavier 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 Kmole/m² . s Mole/s Mole/m² . s Mole/cm². s Kmole/m² . s Mole/s Mole/m² . s Mole/cm². s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Both B and C Increases its boiling point Decreases its freezing point Increases its freezing point Both B and C Increases its boiling point Decreases its freezing point Increases its freezing point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A reduction process is accompanied with increase in the Both A & B Number of electrons Neither A nor B Oxidation number Both A & B Number of electrons Neither A nor B Oxidation number ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pressure under which liquid and vapor can co-exit at equilibrium is called the __________ vapor pressure. Limiting Normal Saturated Real Limiting Normal Saturated Real ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases linearly Increases Remains unchanged Decreases Increases linearly Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
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