Chemical Engineering Thermodynamics
The third law of thermodynamics states that the

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

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Chemical Engineering Thermodynamics
Which of the following will increase the volume of a real gas by four times ?

Doubling the absolute temperature as well as pressure of the gas
Reducing temperature to one fourth at constant pressure
Reducing the temperature to half and doubling the pressure
Reducing pressure to one fourth at constant temperature

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