Stoichiometry Heat of transition is the heat evolved or absorbed, when a substance is converted from Solid to liquid Vapor to liquid Vapor to solid One allotropic form to another allotropic form Solid to liquid Vapor to liquid Vapor to solid One allotropic form to another allotropic form ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration. Differential Both A & B Integral Neither A nor B Differential Both A & B Integral Neither A nor B 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 4 kmole/hr 6 kmole/hr 3 kmole/hr 5 kmole/hr 4 kmole/hr 6 kmole/hr 3 kmole/hr 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/m² . s Mole/s Mole/cm². s Kmole/m² . s Mole/m² . s Mole/s Mole/cm². s Kmole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies 0.5 < Xw < 1.0 Xw = 1.0 Xw = 0.5 0 < Xw < 0.5 0.5 < Xw < 1.0 Xw = 1.0 Xw = 0.5 0 < Xw < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry How many phases are present at eutectic point? 3 2 1 Unpredictable 3 2 1 Unpredictable ANSWER DOWNLOAD EXAMIANS APP
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