Home
MCQ QUIZ APP DOWNLOAD

What is the correct answer?

4

For a spontaneous process, free energy

A. Is zero

B. Increases

C. Decreases whereas the entropy increases

D. And entropy both decrease

Correct Answer :

C. Decreases whereas the entropy increases


Related Questions

Pick out the wrong statement. A solute distributes itself between two nonmiscible solvents in contact… Refrigeration cycle The absolute entropy for all crystalline substances at absolute zero temperature… For a spontaneous process, free energy The change in Gibbs free energy for vaporisation of a pure substance is Tea kept in a thermos flask is vigorously shaken. If the tea is considered… A cyclic engine exchanges heat with two reservoirs maintained at 100 and… Which is not constant for an ideal gas? The equation DU = Tds - PdV is applicable to infinitesimal changes occuring… The temperature at which a real gas obeys the ideal gas laws over a wide… If the internal energy of an ideal gas decreases by the same amount as… (∂E/∂T)V is the mathematical expression for Pick out the correct statement: In polytropic process (PVn = constant), if n = 1; it means a/an __________… Entropy change of mixing two liquid substances depends upon the (∂H/∂T)P is the mathematical expression for Pick out the wrong statement Work done in case of free expansion is Refrigerants commonly used for domestic refrigerators are A refrigeration cycle is the same as a __________ cycle, When a system is in equilibrium for all possible processes, the differential… Efficiency of a heat engine working on Carnot cycle between two temperature… Fugacity of a component in an ideal gas mixture is equal to the partial… Grams of butane (C4H10) formed by the liquefaction of 448 litres of the… The adiabatic throttling process of a perfect gas is one of constant enthalpy Pick out the wrong statement. Extensive properties of a thermodynamic system depend upon the __________… The variation of heat of reaction with temperature at constant pressure… Which of the following exemplifies an adiabatic process?