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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
What is the value of ln y (where y = activity co-efficient) for ideal gases?

Zero
Infinity
Negative
Unity

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Chemical Engineering Thermodynamics
The equation Tds = dE - PdV applies to

Open as well as closed systems
Single phase fluid of constant composition
Single phase fluid of varying composition
Both B and C

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

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

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

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Chemical Engineering Thermodynamics
Entropy change in case of reversible adiabatic process is

Zero
Indeterminate
Minimum
Maximum

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Chemical Engineering Thermodynamics
Which of the following is not an equation of state?

None of these
Clausius Clayperon equation
Bertholet equation
Beattie-Bridgeman equation

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