Stoichiometry Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm. 3 1 2 4 3 1 2 4 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/s Mole/cm². s Mole/m² . s Kmole/m² . s Mole/s Mole/cm². s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c. 141.5 293 566 283 141.5 293 566 283 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of gas constant 'R' is __________ kcal/kg.mole.°C. 3.99 None of these 2.79 1.987 3.99 None of these 2.79 1.987 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat capacity of a substance is Lower for liquid state than for gaseous state Greater for liquid state than for solid state Equal for solid and liquid states below melting point Higher for solid state than for liquid state Lower for liquid state than for gaseous state Greater for liquid state than for solid state Equal for solid and liquid states below melting point Higher for solid state than for liquid state ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation Yield enhancement Product enrichment None of these Heat conservation Yield enhancement Product enrichment None of these ANSWER DOWNLOAD EXAMIANS APP
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