Stoichiometry The heat of vaporisation __________ with increase in pressure. Increases Both B and C Decreases Becomes zero at critical pressure Increases Both B and C Decreases Becomes zero at critical pressure 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/cm². s Kmole/m² . s Mole/m² . s Mole/s Mole/cm². s Kmole/m² . s Mole/m² . s Mole/s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Increases Remains unchanged Approach zero at 0°C Decreases Increases Remains unchanged Approach zero at 0°C Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Total energy at a point comprises of __________ energy. Internal All of these Potential & kinetic Pressure Internal All of these Potential & kinetic Pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of a solution containing 1 gm of hydrogen ion per litre will be 1 7 10 1 7 10 ANSWER DOWNLOAD EXAMIANS APP