Stoichiometry Gases diffuse faster compared to liquids because of the reason that the liquid molecules Move faster Are heavier Have no definite shape Are held together by stronger inter-molecular forces Move faster Are heavier Have no definite shape Are held together by stronger inter-molecular forces ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A bypass stream in a chemical process is useful, because it Increases the yield of products None of these Facilitates better control of the process Improves the conversion Increases the yield of products None of these Facilitates better control of the process Improves the conversion ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be 10?? 10?? ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is Not a function of the composition of gas mixture Called percentage saturation Termed as relative saturation Not a function of the nature of vapor Not a function of the composition of gas mixture Called percentage saturation Termed as relative saturation Not a function of the nature of vapor ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is Less than 80.1°C 100°C 80.1°C Greater than 80.1°C but less than 100°C Less than 80.1°C 100°C 80.1°C Greater than 80.1°C but less than 100°C 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/cm². s Mole/s Kmole/m² . s Mole/m² . s Mole/cm². s Mole/s Kmole/m² . s ANSWER DOWNLOAD EXAMIANS APP
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