Stoichiometry At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to Increased collision rate among molecules Decrease in mean free path Increase in average molecular speed Increase in molecular attraction Increased collision rate among molecules Decrease in mean free path Increase in average molecular speed Increase in molecular attraction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 27 5.4 54 2.7 27 5.4 54 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution A₁ is very slightly acidic Both A & C A₁ is more alkaline than solution A₂ A₁ is highly acidic A₁ is very slightly acidic Both A & C A₁ is more alkaline than solution A₂ A₁ is highly acidic 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 1 0.1 0.065 1 0.1 0.065 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Colligative properties of a dilute solution are those, which depend entirely upon the Constitution of the solute Chemical composition of the solute None of these Number of solute molecules contained in a given volume of the solvent Constitution of the solute Chemical composition of the solute None of these Number of solute molecules contained in a given volume of the solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is 0.5055 0.2528 0.5 0.25 0.5055 0.2528 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
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