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CHEMICAL ENGINEERING THERMODYNAMICS

Chemical Engineering Thermodynamics
Any substance above its critical temperature exists as

Liquid
Saturated vapour
Solid
Gas

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Chemical Engineering Thermodynamics
First law of thermodynamics is mathematically stated as

dQ = dE - dW
dE = dQ + dW
dQ = dE + dW
dW = dQ + dE

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Chemical Engineering Thermodynamics
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is

651
1000
349
667

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Chemical Engineering Thermodynamics
Cv for an ideal gas

Is independent of pressure only
Is independent of volume only
Is independent of both pressure and volume
Does not depend upon temperature

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Chemical Engineering Thermodynamics
PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process.

Isobaric
Isentropic
Isothermal
Adiabatic

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