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Stoichiometry

Stoichiometry
Ideal solution is formed, when its components have zero

Neither A nor B
Volume change
Heat of mixing
Both A & B

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Stoichiometry
In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the

Temperature
Both A & B
Neither A nor B
Solute concentration

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Stoichiometry
A chemical process is said to occur under unsteady state, if the

None of these
Inventory changes do not take place
Ratio of streams entering/leaving are independent of time
Flow rates & composition both are time dependent

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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

Kmole/m².s.Pa
M/s
Mole/m².s.Pa
Cm/s

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Stoichiometry
The density of a liquid is 1500 kg/m³. Its value in gin/litre will be equal to

1.5
15
150
1500

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Stoichiometry
Vapor pressure of water at 100°C is about __________ bar.

101.3
1.013
0.1013
10.13

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