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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Which of the following is a thermodynamic property of a system?

Entropy
Concentration
Mass
Temperature

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

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

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Chemical Engineering Thermodynamics
Dry ice is

Solid carbon dioxide
None of these
Moisture free ice
Solid helium

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Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Ax₂
A . x₂²
Ax₁²
Ax₁

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Chemical Engineering Thermodynamics
The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.

Temperature
Volume
Specific heat
Pressure

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Chemical Engineering Thermodynamics
1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be

274 K
35 K
174 K
154 K

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