N\(_2\)(g) + 3H\(_2\)(g) ↔ 2NH\(_3\)(g) ΔH = - 90 kJ
In the equation above, the yield of ammonia can be decreased by

The gas that can be dried using concentrated tetraoxosulphate (VI) acid is

NH\(_4\)Cl(s) ⇌ NH\(_3\)(g) + HCl(g)
The reaction above can only attain equilibrium if

The most suitable metal that can be used as lightning conductor is?

In the diagram above which of the curves illustrates Arrhenius' law?