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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature.

Reduced
Boyle
Inversion
Critical

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Chemical Engineering Thermodynamics
Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates

Easier plotting
Use of only one graph for all gases
More accurate plotting
Covering of wide range

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Chemical Engineering Thermodynamics
For a real gas, the chemical potential is given by

R dlnf
RT dlnf
RT dlnP
None of these

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Chemical Engineering Thermodynamics
A solid is transformed into vapour without going to the liquid phase at

Boiling point
Always
Below triple point
Triple point

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Chemical Engineering Thermodynamics
One ton of refrigeration capacity is equivalent to the heat removal rate of

200 BTU/hr
50 k cal/hr
200 BTU/day
200 BTU/minute

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Chemical Engineering Thermodynamics
Third law of thermodynamics is helpful in

Calculating absolute entropies of substances at different temperature
Evaluating entropy changes of chemical reaction
Both B and C
Prediction of the extent of a chemical reaction

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