Change in quantity

Definition

The difference between the final and initial values of a measured quantity.

Used by OCR

Specification CM5.2i · Paper 2 (Foundation), Paper 4 (Higher)

If different amounts of product are measured, calculate change in quantity divided by time instead.
Revise: Rate Calculation Arithmetic

1
Write the rate equation before substituting, then show the change in quantity and the elapsed time separately.

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GCSE Chemistry · key term

The difference between the final and initial values of a measured quantity.

Used by OCR

Specification CM5.2i · Paper 2 (Foundation), Paper 4 (Higher)

If different amounts of product are measured, calculate change in quantity divided by time instead.
Revise: Rate Calculation Arithmetic

1
Write the rate equation before substituting, then show the change in quantity and the elapsed time separately.

Create a free account to read GCSE Chemistry revision notes for your exam board and track your progress.