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/x2 X1/x2 X2/x1 1 - (x1/x2) 1/x2 X1/x2 X2/x1 1 - (x1/x2) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the correct conversion. 1 calorie = 252 BTU 1 BTU = 252 calories 1 BTU =453.6 calories 1 calorie = 453.6 BTU 1 calorie = 252 BTU 1 BTU = 252 calories 1 BTU =453.6 calories 1 calorie = 453.6 BTU ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The amount of water vapour condensed (in kg) is 0.065 0.1 1 0.065 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is Not a function of the nature of vapor Called percentage saturation Not a function of the composition of gas mixture Termed as relative saturation Not a function of the nature of vapor Called percentage saturation Not a function of the composition of gas mixture Termed as relative saturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 0.2 0.5 1.72 0.58 0.2 0.5 1.72 0.58 ANSWER DOWNLOAD EXAMIANS APP