11. What happens in a reversible adiabatic expansion process?
12. Which of the following is affected by the temperature?
13. Which is an example of closed system?
14. Entropy of an ideal gas depends upon its
15. At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)
16. Partial molal quantities are important in the study of
17. For organic compounds, group contribution method can be used for the estimation of
18. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by $$\frac{{{{\text{T}}_1} - {{\text{T}}_2}}}{{{{\text{T}}_1}}}.$$ The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by
19. Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.
20. At the critical point of a substance
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