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Stoichiometry

Stoichiometry
Cp - Cv, for an ideal gas is equal to

2R
R
3R
R/2

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Stoichiometry
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

3
> 3
< 1
< 3

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Stoichiometry
The temperature at which a real gas obeys Boyle's law is termed as the

Inversion temperature
Eutectic point
Boyle's temperature
Triple point

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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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Stoichiometry
With increase in temperature, the surface tension of water

Increases
Remains constant
Decreases
Increases linearly

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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 humidity
None of these
Relative saturation
Percentage saturation

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