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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The standard state of a gas (at a given temperature) is the state in which fugacity is equal to

Neither A nor B
Unity
Both A & B
Activity

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Chemical Engineering Thermodynamics
The activity of an ideal gas is numerically __________ its pressure.

Equal to
Data insufficient, can't be predicted
Less than
More than

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Chemical Engineering Thermodynamics
Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the

High pressure and high temperature
Low pressure and low temperature
Low pressure and high temperature
High pressure and low temperature

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Chemical Engineering Thermodynamics
__________ equation predicts the activity co-efficient from experimental data.

Both B & C
Lewis-Randall
Van Laar
Margules

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Chemical Engineering Thermodynamics
For an exothremic reaction

Only enthalpy change (ΔH) is negative
Only internal energy change (ΔE) is negative
Both ΔH and ΔE are negative
Enthalpy change is zero

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Chemical Engineering Thermodynamics
Boyle's law for gases states that

P/V = constant, for any gas
P ∝ 1/V, when temperature is constant
P ∝ 1/V, when temperature & mass of the gas remain constant
P ∝ V, at constant temperature & mass of the gas

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