Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 180 200 720 60.3 180 200 720 60.3 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 Which of the following ratios defines the recycle ratio in a chemical process? Gross feed stream/recycle feed stream Recycle stream/fresh feed stream Recycle stream/gross feed stream None of these Gross feed stream/recycle feed stream Recycle stream/fresh feed stream Recycle stream/gross feed stream None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) Δ H >ΔH Δ H >ΔH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the Atomic weight of the metal is 4 Equivalent weight of the metal is 8 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 8 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by Decrease in pressure Decrease in temperature Increasing the concentration of N₂ Increase in pressure Decrease in pressure Decrease in temperature Increasing the concentration of N₂ Increase in pressure ANSWER DOWNLOAD EXAMIANS APP
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