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

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

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

Reducing pressure to one fourth at constant temperature
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

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