Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 100 10 70 20 100 10 70 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Complete wetting Wetting Adsorption Mixing Complete wetting Wetting Adsorption Mixing 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 -2448.45 +816.15 +1632.3 -1632.3 -2448.45 +816.15 +1632.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole. 16 44 1 16 44 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Boiling point depression All of these Freezing point elevation Vapor pressure lowering Boiling point depression All of these Freezing point elevation Vapor pressure lowering ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Applicability of Claussius-Clapeyron equation is subject to the condition that the Neither A nor B Volume in the liquid state is negligible Both A & B Vapor follows ideal gas law Neither A nor B Volume in the liquid state is negligible Both A & B Vapor follows ideal gas law ANSWER DOWNLOAD EXAMIANS APP