Pick out the wrong statement.

A. Surface tension of a substance vanishes at critical point, as there is no distinction between liquid and vapour phases at its critical point

B. Entropy of a system decreases with the evolution of heat

C. Change of internal energy is negative for exothermic reactions

D. The eccentric factor for all materials is always more than one

Related Questions

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  2. The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is
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  4. Gibbs free energy (F) is defined as
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  6. The shape of T-S diagram for Carnot Cycle is a
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  11. Fugacity is most helpful in
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  14. Specific __________ does not change during phase change at constant temperature and pressure.
  15. Compound having large heat of formation is
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  18. The change in Gibbs free energy for vaporisation of a pure substance is
  19. There is a change in __________ during the phase transition.
  20. PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process.
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  24. An isolated system can exchange __________ with its surroundings.
  25. Pick out the wrong statement.
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  27. A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system
  28. In a working refrigerator, the value of COP is always
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