Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 43832 43834 4 √2 43832 43834 4 √2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of solution depends upon the Nature of solute All of these Concentration of solution Nature of solvent Nature of solute All of these Concentration of solution Nature of solvent 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 Mole/s Kmole/m² . s Mole/m² . s Mole/cm². s Mole/s Kmole/m² . s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution A₁ is more alkaline than solution A₂ Both A & C A₁ is very slightly acidic A₁ is highly acidic A₁ is more alkaline than solution A₂ Both A & C A₁ is very slightly acidic A₁ is highly acidic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of a solution containing 1 gm of hydrogen ion per litre will be 10 1 7 10 1 7 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. The temperature at which the above mixture will exert a pressure of one standard atm. is 110.6°C Less than 100°C Between 100 and 110°C 100°C 110.6°C Less than 100°C Between 100 and 110°C 100°C ANSWER DOWNLOAD EXAMIANS APP
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