OCR GCSE Chemistry B · J258
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Use of modelsA computational model expresses rules in computer code. The computer can repeat calculations rapidly, explore many possible conditions and generate numerical results or visualisations. This is valuable for systems such as future climate or industrial chemical processes, where the interactions may be too numerous or complex to calculate conveniently by hand.