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Stoichiometry

Stoichiometry
Claussius Clapeyron equation applies to the __________ process.

Melting
Sublimation
All of these
Vaporisation

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Stoichiometry
Which of the following is insensitive to changes in pressure?

Heat of vaporisation
Heat of fusion
Melting point
Both B & 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

1
0.065
0.1

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Stoichiometry
For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.

Neither A nor B
Both A & B
Differential
Integral

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Stoichiometry
N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60)

0.95
0.8
0.9
0.98

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Stoichiometry
A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

5 kmole/hr
6 kmole/hr
3 kmole/hr
4 kmole/hr

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