Stoichiometry The value of the gas-law constant 'R' is 1.987 Kcal/kg-mole.°C Kcal/kg-mole.°K Both B & C Btu/lb-mole.°R Kcal/kg-mole.°C Kcal/kg-mole.°K Both B & C Btu/lb-mole.°R ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Vapor pressure lowering Boiling point depression Freezing point elevation All of these Vapor pressure lowering Boiling point depression Freezing point elevation All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality? Use of equation of state Activity co-efficient Fugacity co-efficient None of these Use of equation of state Activity co-efficient Fugacity co-efficient None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is 0.6 0.2 0.4 0.8 0.6 0.2 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Elevation in boiling point in the ratio of their molecular weights Different elevation in boiling point Same elevation in boiling point None of these Elevation in boiling point in the ratio of their molecular weights Different elevation in boiling point Same elevation in boiling point None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the Vapor pressure vs. temperature Vapor pressure vs. log (temperature) Temperature vs. log (vapor pressure) Log (temperature) vs. log (vapor pressure) Vapor pressure vs. temperature Vapor pressure vs. log (temperature) Temperature vs. log (vapor pressure) Log (temperature) vs. log (vapor pressure) ANSWER DOWNLOAD EXAMIANS APP
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