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 46 -23 92 -92 46 -23 92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will Increase four times Be reduced to l/4th None of these Increase two times Increase four times Be reduced to l/4th None of these Increase two times ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Product enrichment None of these Yield enhancement Heat conservation Product enrichment None of these Yield enhancement Heat conservation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of __________ of a fuel is called its calorific value. Vaporisation Reaction Formation Combustion Vaporisation Reaction Formation Combustion ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is (C₂H₄)2H₂.OH C₃H21OH C₄H9OH C2H33OH (C₂H₄)2H₂.OH C₃H21OH C₄H9OH C2H33OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 180 720 200 60.3 180 720 200 60.3 ANSWER DOWNLOAD EXAMIANS APP