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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Charles' law for gases states that

V ∝ 1/P
PV/T = Constant
V ∝ 1/T
V/T = Constant

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Chemical Engineering Thermodynamics
Boiling of liquid is accompanied with increase in the

Specific entropy
Vapor pressure
All of these
Specific Gibbs free energy

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Chemical Engineering Thermodynamics
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

Its internal energy (U) decreases and its entropy (S) increases
U and S both decreases
U is constant but S decreases
U decreases but S is constant

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Chemical Engineering Thermodynamics
When pressure is applied on the system, ice ⟷ water, then

Equilibrium can not be established
Evaporation of water will take place
More ice will be formed
More water will be formed

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Chemical Engineering Thermodynamics
Sublimation temperature of dry ice (solid CO₂) is __________ °C.

-273
0
5
-78

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Chemical Engineering Thermodynamics
The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are

1.987 & 0.66
5 & 3
3.987 & 1.987
0.66 & 1.987

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