Stoichiometry Isotopes are atoms having the same Atomic mass Number of neutrons None of these Mass number Atomic mass Number of neutrons None of these Mass number 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 Mole/cm². s Kmole/m² . s Mole/m² . s Mole/s Mole/cm². s Kmole/m² . s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A chemical process is said to occur under unsteady state, if the Inventory changes do not take place None of these Flow rates & composition both are time dependent Ratio of streams entering/leaving are independent of time Inventory changes do not take place None of these Flow rates & composition both are time dependent Ratio of streams entering/leaving are independent of time 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. 141.5 283 566 293 141.5 283 566 293 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be 5 kmole/hr 3 kmole/hr 4 kmole/hr 6 kmole/hr 5 kmole/hr 3 kmole/hr 4 kmole/hr 6 kmole/hr ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant? 273°K 200°C 273°C 100°C 273°K 200°C 273°C 100°C ANSWER DOWNLOAD EXAMIANS APP
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