The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for
Reversible isothermal volume change
Heating of a substance
Cooling of a substance
Simultaneous heating and expansion of an ideal gas
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- Pick out the wrong statement.
- The change in __________ is equal to the reversible work for compression in steady state flow process…
- For a constant volume process
- Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in…
- The expression, ΔG = nRT. ln(P2/P1), gives the free energy change
- Melting of ice exemplifies a/an
- The standard Gibbs free energy change of a reaction depends on the equilibrium
- High __________ is an undesirable property for a good refrigerant.
- Which of the following has the minimum value of COP for a given refrigeration effect?
- In jet refrigerators, the refrigerating fluid is practically always
- At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.
- Pick out the wrong statement.
- The quantitative effect of temperature on chemical equilibrium is given by the
- Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed…
- The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator…
- Clausius-Clapeyron equation is applicable to __________ equilibrium processes.
- An irreversible process
- Number of degrees of freedom for a three phase system in equilibrium comprising of three nonreacting…
- The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…
- Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be
- The internal energy of an ideal gas is a function of its __________ only.
- Which is an example of closed system?
- Charles' law for gases states that
- In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents…
- Those solutions in which there is no volume change upon mixing the components in the liquid state and…
- Pick out the correct statement.
- With increase in temperature, the atomic heat capacities of all solid elements
- The compressibility factor for an ideal gas is 1. Its value for any other real gas is
- __________ explains the equilibrium constant for any chemical reaction.
- For any system, what is the minimum number of degrees of freedom?