The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is
In any spontaneous process, the __________ free energy decreases.
Which of the following is not an intensive property ?
Gibbs free energy per mole for a pure substance is equal to the
The gas law (PV = RT) is true for an __________ change.
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v2 3 m3 ) is max imum, when the value of 'n' is
Heat is added at constant temperature in an ideal __________ cycle.
The unit of fugacity is the same as that of the
The necessary and sufficient condition for equilibrium between two phases is
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.
During a reversible isothermal expansion of an ideal gas, the entropy change is
Pick out the wrong statement.
Pick out the correct equation relating 'F' and 'A'.
Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.
__________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.
In a reversible process
A large iceberg melts at the base, but not at the top, because of the reason that
Consider the process A & B shown in the figure given below In this case, it is possilbe that
Cv for an ideal gas
At the critical point of a substance
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