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Stoichiometry

Stoichiometry
Isotonic solutions must have the same

Viscosity
Molar concentration
Critical temperature
Normality

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Stoichiometry
In osmosis through a semi-permeable membrane, diffusion of the

Solute takes place
Solvent is from high concentration to low concentration region
None of these
Solvent is from low concentration to high concentration region

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Stoichiometry
In case of an unsaturated vapor-gas mixture, the humid volume increases with increase in the

Total pressure
Absolute humidity at a given temperature
Neither A nor B
Both A & B

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Stoichiometry
The rate of material __________ is zero in case of a steady state system.

Accumulation
Production
Generation
Input

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Stoichiometry
Weight of 56 litres of ammonia at N.T.P. is __________ gm.

2800
2.5
56
42.5

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Stoichiometry
Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0-5m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10-3. Its units are

Mole/m².s.Pa
Kmole/m².s.Pa
Cm/s
M/s

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