Home

What is the correct answer?

4

It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

A. The amount of work needed is path dependent

B. Work alone cannot bring out such a change of state

C. The amount of work needed is independent of path

D. More information is needed to conclude anything about the path dependence or otherwise of the work needed

Correct Answer :

A. The amount of work needed is path dependent


Related Questions

Which of the following is not a unit of the equilibrium constant Kp? (where,… An ideal gas is taken around the cycle ABCA as shown in P-V diagram below:… A gas shows deviation from ideal behaviour at Standard temperature and pressure (S.T.P.) is Which of the following diagrams does not represent an Otto cycle? Internal energy change of a system over one complete cycle in a cyclic… A gas can be liquefied by pressure alone only, when its temperature is… Specific heat of a gas for a reversible adiabatic process is Pick out the Clausius-Clapeyron equation from the following: Entropy change in case of reversible adiabatic process is Pick out the wrong statement. Free energy change of mixing two liquid substances is a function of the As the time is passing, entropy of the universe In a P-V diagram (for an ideal gas), an isothermal curve will coincide… Free energy change at equilibrium is An isolated system can exchange __________ with its surroundings. Which one is true for a throttling process? For an isothermal reversible compression of an ideal gas Gibbs-Duhem equation relates composition in liquid phase and the __________… 1st law of thermodynamics is nothing but the law of conservation of In case of vapour compression refrigeration system, elevating the evaporator… Isentropic process means a constant __________ process. The second law of thermodynamics states that The efficiency of a Carnot heat engine operating between absolute temperatures… The change in Gibbs free energy for vaporisation of a pure substance is A domestic refrigerator has a/an __________ cooled condenser. PVy = constant, holds good for an isentropic process, which is Molar heat capacity of water in equilibrium with ice at constant pressure… 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times… Which of the following is not an extensive property?