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

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

Cm/s

Mole/m².s.Pa

M/s

Kmole/m².s.Pa

Cm/s

Mole/m².s.Pa

M/s

Kmole/m².s.Pa

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Stoichiometry
500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.

600

700

650

375

600

700

650

375

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Stoichiometry
1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

C2H33OH

(C₂H₄)2H₂.OH

C₄H9OH

C₃H21OH

C2H33OH

(C₂H₄)2H₂.OH

C₄H9OH

C₃H21OH

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Stoichiometry
Real gases approach ideal behaviour at

High pressure & high temperature

Low pressure & low temperature

Low pressure & high temperature

High pressure & low temperature

High pressure & high temperature

Low pressure & low temperature

Low pressure & high temperature

High pressure & low temperature

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Stoichiometry
The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

CS₂ > H₂O > C₂H₅OH

H₂O > C₂H₅OH > CS₂

CS₂ > C₂H₅OH > H₂O

H₂O > CS₂ > C₂H₅OH

CS₂ > H₂O > C₂H₅OH

H₂O > C₂H₅OH > CS₂

CS₂ > C₂H₅OH > H₂O

H₂O > CS₂ > C₂H₅OH

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Stoichiometry
The increase in the temperature of the aqueous solution will result in decrease of its

Mole fraction of the solute

Molarity

Molality

Weight % of the solute

Mole fraction of the solute

Molarity

Molality

Weight % of the solute

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Stoichiometry

Stoichiometry 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.

Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

Stoichiometry Real gases approach ideal behaviour at

Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its

Stoichiometry
500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.

Stoichiometry
1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

Stoichiometry
Real gases approach ideal behaviour at

Stoichiometry
The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

Stoichiometry
The increase in the temperature of the aqueous solution will result in decrease of its