Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. 46 -23 92 -92 46 -23 92 -92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A reduction process is accompanied with increase in the Oxidation number Neither A nor B Both A & B Number of electrons Oxidation number Neither A nor B Both A & B Number of electrons ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Roult's law is obeyed by a __________ solution. Normal None of these Saturated Molar Normal None of these Saturated Molar ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Measurement of the amount of dry gas collected over water from volume of moist gas is based on the Dalton's law of partial pressures Avogadro's hypothesis Charle's law Boyle's law Dalton's law of partial pressures Avogadro's hypothesis Charle's law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-13 10-10 10-3 10-11 10-13 10-10 10-3 10-11 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 Kmole/m² . s Mole/s Mole/cm². s Mole/m² . s Kmole/m² . s Mole/s Mole/cm². s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP
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