Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 400° 300° 300° 273° 400° 300° 300° 273° ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be -136.5°C 0°K - 136.5°K -273°C -136.5°C 0°K - 136.5°K -273°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/s Mole/cm². s Kmole/m² . s Mole/m² . s Mole/s Mole/cm². s Kmole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following ideal gas laws are not applicable to mixture of gases ? Dalton's law Amgat's law None of these Boyle's law & Charle's Law Dalton's law Amgat's law None of these Boyle's law & Charle's Law ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is 0.2 0.8 0.6 0.4 0.2 0.8 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Intermolecular forces of attraction Total energy Kinetic energy Potential energy Intermolecular forces of attraction Total energy Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
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