Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.98 0.9 0.95 0.8 0.98 0.9 0.95 0.8 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 13728 J 19206 J 12712 J 4576 J 13728 J 19206 J 12712 J 4576 J ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ chart is a graph related to Antonie equation. Enthalpy-concentration Cox Ostwald Mollier's Enthalpy-concentration Cox Ostwald Mollier's ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in temperature, the solubility of ammonia in water at a fixed pressure Decreases Increases Increases exponentially Remains unchanged Decreases Increases Increases exponentially Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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. -92 -23 46 92 -92 -23 46 92 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. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 ANSWER DOWNLOAD EXAMIANS APP
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