Stoichiometry The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be M/2 2M M M/4 M/2 2M M M/4 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. Its units are M/s Cm/s Kmole/m².s.Pa Mole/m².s.Pa M/s Cm/s Kmole/m².s.Pa Mole/m².s.Pa ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. Equal to More than Less than Either more or less; depends on the solvent Equal to More than Less than Either more or less; depends on the solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality? Fugacity co-efficient Use of equation of state None of these Activity co-efficient Fugacity co-efficient Use of equation of state None of these Activity co-efficient ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is > 7 < 7 7 Constant over a wide range > 7 < 7 7 Constant over a wide range ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent? Pressure Temperature Nature of solvent Nature of solute Pressure Temperature Nature of solvent Nature of solute ANSWER DOWNLOAD EXAMIANS APP
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