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 0.95 0.8 0.98 0.9 0.95 0.8 0.98 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. +1632.3 -1632.3 -2448.45 +816.15 +1632.3 -1632.3 -2448.45 +816.15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The elevation in boiling point of a solution is proportional to the __________ of the solution. Normality Molarity Reciprocal of the molal concentration Molal concentration Normality Molarity Reciprocal of the molal concentration Molal concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of water at 100°C is about __________ bar. 1.013 10.13 0.1013 101.3 1.013 10.13 0.1013 101.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). St Sv 1/Sv 1/St St Sv 1/Sv 1/St ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the correct conversion. 1 BTU = 252 calories 1 calorie = 252 BTU 1 BTU =453.6 calories 1 calorie = 453.6 BTU 1 BTU = 252 calories 1 calorie = 252 BTU 1 BTU =453.6 calories 1 calorie = 453.6 BTU ANSWER DOWNLOAD EXAMIANS APP