Stoichiometry With rise in pressure, the solubility of gases in solvent, at a fixed temperature Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Increases Does not vary Decreases Varies linearly Increases Does not vary Decreases Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of Difference of A and B Normal condensation Wetting Sum of A and B Difference of A and B Normal condensation Wetting Sum of A and B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer co-efficient. 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 kcal/m².hr.°K = 1.163 W/m².°C 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 kcal/m².hr.°K = 1.163 W/m².°C 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/m² . s Mole/cm². s Mole/s Kmole/m² . s Mole/m² . s Mole/cm². s Mole/s Kmole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Disappearance of snow in subzero weather exemplifies the process of Melting Vaporisation Evaporation Sublimation Melting Vaporisation Evaporation Sublimation ANSWER DOWNLOAD EXAMIANS APP