Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Does not vary Decreases Varies linearly Increases Does not vary Decreases Varies linearly Increases 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/cm². s Mole/m² . s Kmole/m² . s Mole/s Mole/cm². s Mole/m² . s Kmole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Applicability of Claussius-Clapeyron equation is subject to the condition that the Volume in the liquid state is negligible Neither A nor B Vapor follows ideal gas law Both A & B Volume in the liquid state is negligible Neither A nor B Vapor follows ideal gas law Both A & B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Disappearance of snow in subzero weather exemplifies the process of Evaporation Melting Vaporisation Sublimation Evaporation Melting Vaporisation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be Of the same acidity More acidic Neutral Basic Of the same acidity More acidic Neutral Basic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Measurement of the amount of dry gas collected over water from volume of moist gas is based on the Boyle's law Charle's law Dalton's law of partial pressures Avogadro's hypothesis Boyle's law Charle's law Dalton's law of partial pressures Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
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