Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 4480 0.4 2240 1120 4480 0.4 2240 1120 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of reaction is a function of the Both(a)&(b) Temperature Pressure Neither (a) nor (b) Both(a)&(b) Temperature Pressure Neither (a) nor (b) 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 Kmole/m² . s Mole/m² . s Mole/cm². s Mole/s Kmole/m² . s Mole/m² . s Mole/cm². s Mole/s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The reverse process of fractional crystallisation is called Leaching Differential distillation Absorption Stripping Leaching Differential distillation Absorption Stripping ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following gravity scales is used exclusively for liquids heavier than water? API scale None of these Twaddel scale Baumme scale API scale None of these Twaddel scale Baumme scale ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kopp's rule is concerned with the calculation of Surface tension Heat capacity Viscosity Thermal conductivity Surface tension Heat capacity Viscosity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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