Stoichiometry What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively? 801.5 780.5 880.5 756.2 801.5 780.5 880.5 756.2 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 Kmole/m² . s Mole/cm². s Mole/m² . s Mole/s Kmole/m² . s Mole/cm². s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal gas, the compressibility factor Zero Decreases with pressure rise Is unity at all temperature Is unity at Boyle's temperature Zero Decreases with pressure rise Is unity at all temperature Is unity at Boyle's temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in temperature, the heat capacity of a substance Decreases Increases Remains unchanged Either A or B; depends on the substance Decreases Increases Remains unchanged Either A or B; depends on the substance ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Internal energy of a substance comprises of the __________ energy. Rotational Vibrational All of these Translational Rotational Vibrational All of these Translational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the Volume in the liquid state is negligible compared with that in the vapor state All of these Molal latent heat of vaporisation is constant within the limited temperature range Vapor follows the ideal gas law Volume in the liquid state is negligible compared with that in the vapor state All of these Molal latent heat of vaporisation is constant within the limited temperature range Vapor follows the ideal gas law ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS