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 If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 100 10000 1000 10 100 10000 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Intermolecular forces Total energy Kinetic energy Potential energy Intermolecular forces Total energy Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer co-efficient. 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 kcal/m².hr.°K = 1.163 W/m².°C 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 kcal/m².hr.°K = 1.163 W/m².°C 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Avogadro number is the number of molecules in one __________ of a gas. Kilogram Gm.mole Gram Litre Kilogram Gm.mole Gram Litre ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the Volume in the liquid state is negligible compared with that in the vapor state All of these Vapor follows the ideal gas law Molal latent heat of vaporisation is constant within the limited temperature range Volume in the liquid state is negligible compared with that in the vapor state All of these Vapor follows the ideal gas law Molal latent heat of vaporisation is constant within the limited temperature range ANSWER DOWNLOAD EXAMIANS APP