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) 0.8 0.95 0.9 0.98 0.8 0.95 0.9 0.98 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 46 -92 -23 92 46 -92 -23 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. Total energy Intermolecular forces Kinetic energy Potential energy Total energy Intermolecular forces Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pressure of 'V' litres of a dry gas is increased from 1 to 2 kgf/cm² at a constant temperature. The new volume will become V² V/4 2V V/2 V² V/4 2V V/2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 40 96 48 12 40 96 48 12 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One 'Therm' is equivalent to 10⁵ kcal 10⁹ kcal 10⁹ BTU 10⁵ BTU 10⁵ kcal 10⁹ kcal 10⁹ BTU 10⁵ BTU ANSWER DOWNLOAD EXAMIANS APP