Ammonia is produced by the Haber process. The equation is shown. N2 (g) + 3H2 (g) ⇔ 2NH3 (g)

The forward reaction is exothermic.

Which statement is correct?

Increasing pressure decreases the yield of ammonia, but speeds up the reaction.

Increasing temperature decreases the yield of ammonia, but speeds up the reaction.

Increasing the concentration of hydrogen and nitrogen results in a lower yield of ammonia.

Increasing the temperature increases the yield of ammonia and speeds up the reaction.

option D

Explanation:

Increasing the temperature increases the yield of ammonia and speeds up the reaction as chemical reaction is affected by temperature.

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answer: the value of enthalpy change will be -152.80 kj.

solution:

pressure = 1atm , temperature = = 298 k

given that pressure and temperature are same in both gases , the number of moles of both gases can be determined by the ideal gas equation.

according to reaction 3 moles no are reacting with 1 mol of ,then 0.49 mol of no will react with moles of ozone that is 0.16 moles of ozone. since, no is limiting reagent and is an excessive reagent.

enthalpy change for the reaction between the given volumes of the gases is :