Stoichiometry One micron is equal to __________ cm. 44108 44110 44112 44106 44108 44110 44112 44106 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? AB₂ A₂B₃ A₂B AB₃ AB₂ A₂B₃ A₂B AB₃ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.8 0.98 0.9 0.95 0.8 0.98 0.9 0.95 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is < 7 7 Constant over a wide range > 7 < 7 7 Constant over a wide range > 7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of an unsaturated vapor-gas mixture, the humid volume increases with increase in the Neither A nor B Total pressure Both A & B Absolute humidity at a given temperature Neither A nor B Total pressure Both A & B Absolute humidity at a given temperature 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 Kmole/m² . s Mole/cm². s Mole/m² . s Mole/s Kmole/m² . s Mole/cm². s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP