Chemical Engineering Thermodynamics
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.

Less than
Equal to
More than
Either B or C; depends on the type of alloy

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Chemical Engineering Thermodynamics
The adiabatic throttling process of a perfect gas is one of constant enthalpy

In which there is an increase in temperature
Which can be performed in a pipe with a constriction
In which there is a temperature drop
Which is exemplified by a non-steady flow expansion

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Chemical Engineering Thermodynamics
The third law of thermodynamics states that the

Gases having same reduced properties behave similarly
Heat transfer from low temperature to high temperature source is not possible without external work
Heat capacity of a crystalline solid is zero at absolute zero temperature
None of these

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