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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Melting of ice is an example of an __________ process.

Adiabatic
Isothermal
Isometric
None of these

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Chemical Engineering Thermodynamics
The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for

Reversible isothermal volume change
Heating of an ideal gas
Cooling of a real gas
Expansion of a real gas

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Chemical Engineering Thermodynamics
For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ⟷ C₂H₅OH(g), the equilibrium conversion does not depend on the

None of these
Steam to ethylene ratio
Pressure
Temperature

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Chemical Engineering Thermodynamics
Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is

T₂/(T₁ - T₂)
(T₁ - T₂)/T₁
(T₁ - T₂)/T₂
T₁/(T₁ - T₂)

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Chemical Engineering Thermodynamics
When a gas in a vessel expands, its internal energy decreases. The process involved is

Isothermal
Irreversible
Adiabatic
Reversible

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Chemical Engineering Thermodynamics
The minimum number of phases that can exist in a system is

1
0
2
3

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