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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At absolute zero temperature, the __________ of the gas is zero.

Volume
Pressure
Mass
None of these

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Chemical Engineering Thermodynamics
The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H - P . This equation is called the

Redlich-Kwong equation of state
Equation of state
Thermodynamic equation of state
Maxwell

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Chemical Engineering Thermodynamics
The heat capacities for the ideal gas state depend upon the

Pressure
Neither A nor B
Both A & B
Temperature

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Chemical Engineering Thermodynamics
The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is

More pronounced
Equal
Data insufficient, can't be predicted
Less pronounced

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Chemical Engineering Thermodynamics
Entropy of the system decreases, when

A gas expands spontaneously from high pressure to low pressure
Both B & C
Snow melts into water
Water is converted into ice

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Chemical Engineering Thermodynamics
In an irreversible process

DE - dW - Tds = 0
Tds - dE + dW< 0
Tds = dE - dW = 0
Tds - dT + dW< 0

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