Stoichiometry Validity of the relationship, inputs = outputs, holds good for the system at steady state With chemical reaction None of these Without chemical reaction Without chemical reaction & losses With chemical reaction None of these Without chemical reaction Without chemical reaction & losses ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Boiling point depression Vapor pressure lowering All of these Freezing point elevation Boiling point depression Vapor pressure lowering All of these Freezing point elevation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 0.18 1 0.24 0.18 1 0.24 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure. All of these Kg of solute/kg of solvent Kg-mole of solute/kg-mole of solvent Kg-mole of solute/1000 kg of solvent All of these Kg of solute/kg of solvent Kg-mole of solute/kg-mole of solvent Kg-mole of solute/1000 kg of solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is 880 760 630 380 880 760 630 380 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 BTU/lb.←°F is equivalent to __________ kcal/kg.°C. 1.987 4.97 1 2.42 1.987 4.97 1 2.42 ANSWER DOWNLOAD EXAMIANS APP
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