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Stoichiometry

Stoichiometry
Atoms of the same element, but of different masses are called

Isobars
Isotones
None of these
Isotopes

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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
M/s
Cm/s
Kmole/m².s.Pa

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Stoichiometry
The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is

Less than 100°C
110.6°C
100°C
Between 100 and 110°C

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Stoichiometry
One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The amount of water vapour condensed (in kg) is

0.1
1
0.065

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Stoichiometry
Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches

1
0.24
∞

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Stoichiometry
__________ equation relates latent heat and boiling point.

Kopp's
Kistyakowsky
Trouton's
Antonie

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