Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 5.4 27 54 2.7 5.4 27 54 2.7 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 +816.15 -2448.45 +1632.3 -1632.3 +816.15 -2448.45 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer rate. 1 kcal/hr= 1.163 Watt 1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m² 1 Watt = 1.163 kcal/hr 1 BTU/ft².hr = 2.712 kcal/m².hr 1 kcal/hr= 1.163 Watt 1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m² 1 Watt = 1.163 kcal/hr 1 BTU/ft².hr = 2.712 kcal/m².hr ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Total energy at a point comprises of __________ energy. Internal Potential & kinetic Pressure All of these Internal Potential & kinetic Pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of water at 100°C is 100N/m² 760 mm wc 13.6 cms of Hg 76 cms of Hg 100N/m² 760 mm wc 13.6 cms of Hg 76 cms of Hg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Increases its freezing point Both B and C Increases its boiling point Decreases its freezing point Increases its freezing point Both B and C Increases its boiling point Decreases its freezing point ANSWER DOWNLOAD EXAMIANS APP
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