The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH = - 22.4 kcal, is

A. Endothermic

B. Exothermic

C. Isothermal

D. Adiabatic

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

You can do it
  1. Pick out the correct statement.
  2. Out of the following refrigeration cycles, which one has maximum COP?
  3. Second law of thermodynamics is concerned with the
  4. Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal…
  5. The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator…
  6. Mollier chart is a __________ plot.
  7. Heat of formation of an element in its standard state is
  8. Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.
  9. In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases…
  10. First law of thermodynamics deals with the
  11. Pick out the wrong statement.
  12. Which of the following is Virial equation of state?
  13. The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.°K are
  14. In a reversible process
  15. The number of degrees of freedom for a mixture of ice and water (liquid) are
  16. Pick out the wrong statement.
  17. All gases except __________ shows a cooling effect during throttling process at atmospheric temperature…
  18. The absolute entropy for all crystalline substances at absolute zero temperature is
  19. Entropy is a measure of the __________ of a system.
  20. Sound waves propagation in air exemplifies an __________ process.
  21. In a homogeneous solution, the fugacity of a component depends upon the
  22. The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction…
  23. The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns…
  24. Claude's liquefaction process employs the cooling of gases by
  25. Activity co-efficient is a measure of the
  26. Pick out the wrong statement.
  27. The expression, nCv(T2 - T1), is for the __________ of an ideal gas.
  28. Gibbs free energy (F) is defined as
  29. The value of gas constant 'R' is
  30. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…