Normal temperature and pressure (N.T.P.) corresponds to

A. 0°C and 760 mm Hg

B. 15°C and 760 mm Hg

C. 20°C and 760 mm Hg

D. 0°C and 1 kgf/cm2

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. For the reversible exothermic reaction, N2 + 3H2 2NH3, increase of pressure would
  2. A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system
  3. For an irreversible process involving only pressure-volume work
  4. Which of the following equations is used for the prediction of activity co-efficient from experiments?
  5. The expression, ΔG = nRT. ln(P2/P1), gives the free energy change
  6. As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T)…
  7. The necessary condition for phase equilibrium in a multiphase system of N components is that the
  8. As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine…
  9. In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases…
  10. At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
  11. Adiabatic compression of a saturated water vapour makes it
  12. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures…
  13. Melting of ice is an example of an __________ process.
  14. On opening the door of an operating refrigerator kept in a closed room, the temperature of the room…
  15. If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________…
  16. The equation, PV = nRT, is best obeyed by gases at
  17. The internal energy of an incompressible fluid depends upon its
  18. A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The…
  19. Pick out the wrong statement
  20. Which of the following is a thermodynamic property of a system?
  21. The unity of Planck's constant 'h' in the equation, E = hv is
  22. Water on heating from 1 to 4°C
  23. Gibbs free energy per mole for a pure substance is equal to the
  24. (∂E/∂T)V is the mathematical expression for
  25. Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature…
  26. Entropy, which is a measure of the disorder of a system, is:
  27. Pick out the wrong statement.
  28. When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the…
  29. Boyle's law for gases states that
  30. Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.