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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
A refrigerator works on the principle of __________ law of thermodynamics.

Second
Third
Zeroth
First

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Chemical Engineering Thermodynamics
At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

Decreases
Remains unchanged
Increases
May increase or decrease; depends on the gas

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Chemical Engineering Thermodynamics
Free energy change of mixing two liquid substances is a function of the

Quantities of the constituents only
Temperature only
All of these
Concentration of the constituents only

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Chemical Engineering Thermodynamics
Joule-Thomson co-efficient for a perfect gas is

Zero
None of these
Negative
Positive

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Chemical Engineering Thermodynamics
Helmholtz free energy (A) is defined as

A = H + TS
A = E - TS
None of these
A = H - TS

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Chemical Engineering Thermodynamics
If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law.

None of these
Hess's
Kirchoff's
Lavoisier and Laplace

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