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 Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is Greater than 80.1°C but less than 100°C 100°C Less than 80.1°C 80.1°C Greater than 80.1°C but less than 100°C 100°C Less than 80.1°C 80.1°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of calorific value. 1 kcal/m³ = 0.1124 BTU/ft³ 1 BTU/lb = 2.3 kcal/kg 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 kcal/m³ = 0.1124 BTU/ft³ 1 BTU/lb = 2.3 kcal/kg 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The total number of atoms in 8.5 gm of NH₃ is __________ x 1023. 1.204 9.03 3.01 6.02 1.204 9.03 3.01 6.02 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? Depression of freezing point Osmotic pressure None of these Lowering of vapor pressure Depression of freezing point Osmotic pressure None of these Lowering of vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Fusion Formation Solution Combustion Fusion Formation Solution Combustion ANSWER DOWNLOAD EXAMIANS APP