Changing CO₂ in the air

Now you should have understood that the reactions all take place at the same time, with the proportions remaining the same, i.e. at an equilibrium.

We are now going to look at the changes that occur when one parameter is changed. Here we're going to look at the change in the amount (called the 'concentration') of CO₂ in the air, because that's what humans have had the most impact on over the last few decades.