Lenz's law results from the law of conservation of

Related Questions

1. When a gas is subjected to adiabatic expansion, it gets cooled due to
2. Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.
3. Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
4. Compressibility factor of a gas is
5. An ideal liquid refrigerant should
6. At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
7. Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies…
8. A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.
9. Solid and liquid phases of a substance are in equilibrium at the
10. In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through…
11. Change of state namely evaporation condensation, freezing and melting is an __________ process.
12. The heat capacities for the ideal gas state depend upon the
13. The enthalpy change when ammonia gas is dissolved in water is called the heat of
14. For a constant volume process __________ by the system is used only to increase the internal energy.
15. Mollier chart is a __________ plot.
16. At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
17. The adiabatic throttling process of a perfect gas is one of constant enthalpy
18. The energy of activation of exothermic reaction is
19. Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid…
20. The effect of changing the evaporator temperature on COP as compared to that of changing the condenser…
21. The quantitative effect of temperature on chemical equilibrium is given by the
22. Entropy change for an irreversible process taking system and surrounding together is
23. Variation of equilibrium pressure with temperature for any two phases of a given substances is given…
24. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called…
25. The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT)…
26. Which of the following equations is used for the prediction of activity co-efficient from experiments?
27. The partial pressure of each constituent present in an alloy is __________ the total vapor pressure…
28. In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1…
29. High __________ is an undesirable property for a good refrigerant.
30. Which of the following has the least thermal efficiency?

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