Stoichiometry Which of the following is an exothermic reaction? Decomposition of water Conversion of graphite to diamond None of these Dehydrogenation of ethane to ethylene Decomposition of water Conversion of graphite to diamond None of these Dehydrogenation of ethane to ethylene 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. -23 46 -92 92 -23 46 -92 92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The rate of material __________ is zero in case of a steady state system. Production Input Generation Accumulation Production Input Generation Accumulation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Pascal (unit of pressure) is equal to __________ N/m². 0.1 1 10 1000 0.1 1 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 0.5 5 3 1 0.5 5 3 1 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 Xw = 1.0 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 0.5 Xw = 1.0 0.5 < Xw < 1.0 0 < Xw < 0.5 ANSWER DOWNLOAD EXAMIANS APP