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 32.2 58.65 45.35 20 32.2 58.65 45.35 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One micron is equal to 10⁻⁴ cm 10⁻⁴ mm Both B & C 10⁻⁶ m 10⁻⁴ cm 10⁻⁴ mm Both B & C 10⁻⁶ m ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is 1 3 2 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of Sum of A and B Normal condensation Wetting Difference of A and B Sum of A and B Normal condensation Wetting Difference of A and B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Collide without loss of energy Are above the inversion temperature Exert no attractive force on each other Do work equal to loss in kinetic energy Collide without loss of energy Are above the inversion temperature Exert no attractive force on each other Do work equal to loss in kinetic energy 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 0.40 0.33 0.67 0.19 0.40 0.33 0.67 0.19 ANSWER DOWNLOAD EXAMIANS APP
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