Stoichiometry The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed. 2481 6680 13360 97302 2481 6680 13360 97302 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the All of these Volume in the liquid state is negligible compared with that in the vapor state Molal latent heat of vaporisation is constant within the limited temperature range Vapor follows the ideal gas law All of these Volume in the liquid state is negligible compared with that in the vapor state Molal latent heat of vaporisation is constant within the limited temperature range Vapor follows the ideal gas law ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.1 0.6 0.4 0.2 0.1 0.6 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 485 345 350 140 485 345 350 140 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Volume occupied by one gm mole of a gas at S.T.P. is 22.4 litres 22.4 c.c 22400 litres 359 litres 22.4 litres 22.4 c.c 22400 litres 359 litres ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is 58.65 20 32.2 45.35 58.65 20 32.2 45.35 ANSWER DOWNLOAD EXAMIANS APP