(a(i))[2]
Write a chemical equation showing the formation of ammonia in the Haber process.
(a(ii))[2]
Name the sources from which nitrogen and hydrogen are obtained.
(a(iii))[2]
State the temperature and pressure used in the Haber process, and include the units.
(b(i))[2]
What does the term equilibrium mean for a reversible reaction?
(b(ii))[1]
Using information from the graph, explain whether the reaction is endothermic or exothermic.
(b(iii))[3]
State and explain how increasing the pressure affects the yield of ammonia in this reaction.