Free energy
Decreases in all spontaneous (or irreversible) processes
Change during a spontaneous process has a negative value
Remains unchanged in reversible processes carried at constant temperature and pressure
All (A), (B) and (C)
- The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while…
- The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
- Gibbs free energy at constant pressure and temperature under equilibrium conditions is
- It is desired to bring about a certain change in the state of a system by performing work on the system…
- Isentropic process means a constant __________ process.
- Internal energy of an ideal gas
- Which of the following is an extensive property of a system?
- The gas law (PV = RT) is true for an __________ change.
- A refrigerator may be termed as a
- Change of state namely evaporation condensation, freezing and melting is an __________ process.
- In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction…
- One ton of refrigeration capacity is equivalent to the heat removal rate of
- If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change…
- Gibbs-Duhem equation
- Which of the following equations is used for the prediction of activity co-efficient from experiments?
- The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant…
- Which of the following is not a common refrigerant?
- Which of the following exemplifies an adiabatic process?
- Mollier chart is a __________ plot.
- PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process.
- What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at…
- In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1…
- Which is not a refrigerant?
- Lenz's law results from the law of conservation of
- In a homogeneous solution, the activity coefficient of a component depends upon the
- In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.
- The temperature at the eutectic point of the system is the __________ temperature that can be attained…
- Which of the following will increase the volume of a real gas by four times?
- The second law of thermodynamics states that
- 1st law of thermodynamics is nothing but the law of conservation of