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. 57.46 -28.73 114.92 -57.46 57.46 -28.73 114.92 -57.46 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be 10 7 14 10 7 14 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by All of these Changing the nature of the system by the addition of a more soluble material Removal of pure solvent by evaporation Change of temperature thereby causing supersaturation All of these Changing the nature of the system by the addition of a more soluble material Removal of pure solvent by evaporation Change of temperature thereby causing supersaturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies XM = 0.5 XM < 0.5 0.5 < XM < 0.64 XM ≥ 0.64 XM = 0.5 XM < 0.5 0.5 < XM < 0.64 XM ≥ 0.64 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of calorific value. 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 1 kcal/m³ = 0.1124 BTU/ft³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. Equal to Less than More than Either more or less; depends on the solvent Equal to Less than More than Either more or less; depends on the solvent ANSWER DOWNLOAD EXAMIANS APP