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 20 58.65 32.2 45.35 20 58.65 32.2 45.35 ANSWER DOWNLOAD EXAMIANS APP
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 molecular attraction Increase in average molecular speed Increased collision rate among molecules Decrease in mean free path Increase in molecular attraction Increase in average molecular speed ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A chemical process is said to occur under unsteady state, if the Ratio of streams entering/leaving are independent of time Flow rates & composition both are time dependent Inventory changes do not take place None of these Ratio of streams entering/leaving are independent of time Flow rates & composition both are time dependent Inventory changes do not take place None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the Temperature of the liquid Nature of the liquid Nature of the gas Total pressure Temperature of the liquid Nature of the liquid Nature of the gas Total pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be 0.05 0.1 0.2 0.1818 0.05 0.1 0.2 0.1818 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Either A or B; depends on the liquid Decreases Increases Remains unchanged Either A or B; depends on the liquid Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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