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Stoichiometry

Stoichiometry
__________ chart is a graph related to Antonie equation.

Cox
Ostwald
Enthalpy-concentration
Mollier's

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

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Stoichiometry
The heat of vaporisation __________ with increase in pressure.

Becomes zero at critical pressure
Decreases
Increases
Both B and C

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Stoichiometry
For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.

Wet bulb temperature
Humidity
Dry bulb temperature
Relative saturation

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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
Which of the following is not used for computing latent heat of vaporisation?

Hess
Clausius-Clayperon equation
Kistyakowasky's equation
Reference substance plots based on Durhing & Othmer plots

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