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Stoichiometry

Stoichiometry
The value of the gas-law constant 'R' is 1.987

Btu/lb-mole.°R
Kcal/kg-mole.°C
Kcal/kg-mole.°K
Both B & C

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Stoichiometry
Addition of a non-volatile solute to a solvent produces a __________ in its solvent.

All of these
Freezing point elevation
Vapor pressure lowering
Boiling point depression

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Stoichiometry
For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by

Decrease in temperature
Increasing the concentration of N₂
Decrease in pressure
Increase in pressure

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Stoichiometry
Number of gram equivalent of solute dissolved in one litre of solution is called its

Formality
Molarity
Normally
Molality

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Stoichiometry
Pick out the wrong unit conversion of calorific value.

1 kcal/m³ = 0.1124 BTU/ft³
1 BTU/lb = 2.3 kcal/kg
1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³
1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg

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Stoichiometry
The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids.

Non-polar
Polar
Both A & B
Neither A nor B

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