Stoichiometry A vapor that exists above its critical temperature is termed as a __________ vapor. Sub-cooled Gaseous Saturated Unsaturated Sub-cooled Gaseous Saturated Unsaturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 485 140 350 345 485 140 350 345 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 0.67 0.19 0.33 0.40 0.67 0.19 0.33 0.40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration. Differential Neither A nor B Both A & B Integral Differential Neither A nor B Both A & B Integral ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the Relative saturation Percentage saturation None of these Relative humidity Relative saturation Percentage saturation None of these Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 ANSWER DOWNLOAD EXAMIANS APP
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