Methanol is made from carbon monoxide and hydrogen.
a.[1]
The reaction between carbon monoxide and hydrogen is reversible. Explain what this means.
b.[2]
The graph shows the percentage of methanol made at different temperatures and pressures.
Describe how the percentage of methanol changes as the pressure increases at 300∘C300^\circ\text{C}300∘C.
c.[1]
Write down a temperature and pressure which make 30% of methanol.