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 -92 46 -23 92 -92 46 -23 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A 'limiting reactant' is the one, which decides the __________ in the chemical reacation. None of these Equilibrium constant Conversion Rate constant None of these Equilibrium constant Conversion Rate constant ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Intermolecular forces Potential energy Total energy Kinetic energy Intermolecular forces Potential energy Total energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole. 114.92 57.46 -57.46 -28.73 114.92 57.46 -57.46 -28.73 ANSWER DOWNLOAD EXAMIANS APP
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) 0.9 0.98 0.95 0.8 0.9 0.98 0.95 0.8 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 12 8 10 6 12 8 10 6 ANSWER DOWNLOAD EXAMIANS APP
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