Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.
The same
Less than
Greater than
Different than
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- Which of the following has the minimum value of COP for a given refrigeration effect?
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- Pick out the wrong statement.
- Free energy change of mixing two liquid substances is a function of the
- In a reversible process
- Internal energy is equal to the heat absorbed in case of a/an __________ process.
- In case of steady flow compression polytropic process (PVn = constant), the work done on air is the…
- During adiabatic expansion of gas
- Change of state namely evaporation condensation, freezing and melting is an __________ process.
- Which of the following diagrams does not represent an Otto cycle?
- Isentropic process means a constant __________ process.
- Pick out the wrong statement.
- Internal energy change of a system over one complete cycle in a cyclic process is
- Which of the following units is not present in both the vapor compression refrigeration system and absorption…
- Maximum work that could be secured by expanding the gas over a given pressure range is the __________…
- The first law of thermodynamics is a statement of conservation of
- In any spontaneous process,
- For an incompressible fluid, the __________ is a function of both pressure as well as temperature.
- Fugacity and pressure are numerically not equal for the gases
- Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
- The equilibrium constant for a chemical reaction at two different temperatures is given by
- For an irreversible process involving only pressure-volume work
- Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.
- For a spontaneous process, free energy
- A solid is transformed into vapour without going to the liquid phase at