Sulfur trioxide is manufactured in the Contact process by the reversible reaction between sulfur dioxide, SO2\text{SO}_2SO2, and oxygen, O2\text{O}_2O2.
Write the balanced symbol equation for this reversible reaction to produce sulfur trioxide, SO3\text{SO}_3SO3.
Practise Edexcel GCSE Chemistry Dynamic equilibria with exam-style questions for Foundation and Higher tier. 30 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
