OCR GCSE Chemistry A · J248
Specification CM2.1iii · Paper 1 (Foundation), Paper 3 (Higher)
Revise: Rearranging EquationsOnce the required variable is the subject, substitute the known values.
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GCSE Chemistry · key term
The variable written alone on one side of a formula and calculated from the other variables.
Used by OCR
Specification CM2.1iii · Paper 1 (Foundation), Paper 3 (Higher)
Revise: Rearranging EquationsOnce the required variable is the subject, substitute the known values.
Write the required variable alone on the left-hand side so it is clear that you have changed the subject.
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