Stoichiometry Cp is expressed in S.I. unit as 0°K J/kg.°K W/m. °K W/m². °C 0°K J/kg.°K W/m. °K W/m². °C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). 1/Sv Sv 1/St St 1/Sv Sv 1/St St ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 54 5.4 27 2.7 54 5.4 27 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is Unchanged with pressure changes Increases with rise in pressure Independent of temperature Increased with decrease in pressure Unchanged with pressure changes Increases with rise in pressure Independent of temperature Increased with decrease in pressure 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/cm². s Mole/m² . s Kmole/m² . s Mole/s Mole/cm². s Mole/m² . s Kmole/m² . s Mole/s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute. Decrease Remain unchanged None of these Increase Decrease Remain unchanged None of these Increase ANSWER DOWNLOAD EXAMIANS APP