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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The quantitative effect of temperature on chemical equilibrium is given by the

Arhenius equation
Vant-Hoff equation
None of these
Le-Chatelier's principle

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Chemical Engineering Thermodynamics
For an ideal gas, the enthalpy

Decreases with rise in pressure
Is independent of pressure
Is a path function
Increases with rise in pressure

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Chemical Engineering Thermodynamics
At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is

Negative
Infinity
Zero
One

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Chemical Engineering Thermodynamics
Adiabatic compression of a saturated water vapour makes it

Both A and B
Neither A nor B
Superheated
Supersaturated

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Chemical Engineering Thermodynamics
Internal energy of an ideal gas

Is independent of temperature
Increases with increase in pressure
None of these
Decreases with increase in temperature

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Chemical Engineering Thermodynamics
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

4.238
1.572
1.9398
3.389

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