Stoichiometry The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of Wetting Sum of A and B Normal condensation Difference of A and B Wetting Sum of A and B Normal condensation Difference of A and B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to 1 - (x1/x2) X2/x1 1/x2 X1/x2 1 - (x1/x2) X2/x1 1/x2 X1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Measures the depression in freezing point Measures the elevation in boiling point Is not dependent on the temperature Is a function of the liquid phase composition Measures the depression in freezing point Measures the elevation in boiling point Is not dependent on the temperature Is a function of the liquid phase composition ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Hess's law of constant heat summation is based on conservation of mass. It deals with None of these Equilibrium constant Reaction rate Changes in heat of reaction None of these Equilibrium constant Reaction rate Changes in heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about 0.33 0.19 0.67 0.40 0.33 0.19 0.67 0.40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry NaOH contains __________ percent oxygen. 1 16 10 40 1 16 10 40 ANSWER DOWNLOAD EXAMIANS APP