Home

What is the correct answer?

4

When a gas in a vessel expands, its internal energy decreases. The process involved is

A. Reversible

B. Irreversible

C. Isothermal

D. Adiabatic

Correct Answer :

A. Reversible


Related Questions

A gas shows deviation from ideal behaviour at Change of heat content when one mole of compound is burnt in oxygen at… A system in which there is exchange of energy but not of mass, is called… Clausius-Clapeyron Equation gives accurate result, when the What is the value of Joule-Thomson co-efficient for an ideal gas? All gases during throttling process at atmospheric temperature and pressure… Which of the following is Virial equation of state? At equilibrium condition, the chemical potential of a material in different… The internal energy of an ideal gas does not change in a reversible __________… The co-efficient of performance (COP) of a refrigerating system, which… What happens in a reversible adiabatic compression? Pick out the wrong statement. Gibbs free energy (G) is represented by, G = H - TS, whereas Helmholtz… For a constant volume process In case of a close thermodynamic system, there is __________ across the… Work done in an adiabatic process between two states depends on the Heat evolved/absorbed during conversion of a substance from one allotropic… In an isothermal process on an ideal gas, the pressure increases by 0.5… Joule-Thomson co-efficient is defined as Which of the following is not a reversible process? For an exothermic reaction Dryness fraction of wet steam is defined as the ratio of mass of vapour… Melting of ice is an example of an __________ process. dW and dq are not the exact differential, because q and W are The unit of fugacity is the same as that of the Tea kept in a thermos flask is vigorously shaken. If the tea is considered… For an ideal gas, the chemical potential is given by For a cyclic process, a fixed ratio between heat and work The absolute entropy for all crystalline substances at absolute zero temperature… Work done in case of free expansion is