Chemical Engineering :: Chemical Engineering Thermodynamics
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When dilute aqueous solutions of two salts are mixed, the process is associated with
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Pick out the correct statement.
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Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
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An isolated system can exchange __________ with its surroundings.
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Requisites of a reversible process is that the
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Fugacity is most helpful in
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The energy of activation of exothermic reaction is
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Pick out the wrong statement.
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In the reaction; N2 + O2
2NO, increasing the pressure will result in -
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
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A.
Like internal energy and enthalphy, the absolute value of standard entropy for elementary substances is zero.
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B.
Melting of ice involves increase in enthalpy and a decrease in randomness.
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C.
The internal energy of an ideal gas depends only on its pressure.
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D.
Maximum work is done under reversible conditions.
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A.
The chemical potential of a pure substance depends upon the temperature and pressure.
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B.
The chemical potential of a component in a system is directly proportional to the escaping tendency of that component.
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C.
The chemical potential of ith species (μi) in an ideal gas mixture approaches zero as the pressure or mole fraction (xi) tends to be zero at constant temperature.
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D.
The chemical potential of species 'i' in the mixture (μi) is mathematically represented as,
 , where, n, ni and nj respectively denote the total number of moles, moles of ith species and all mole numbers except ith species. 'G' is Gibbs molar free energy. |