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Chemistry
OCR GCSE Chemistry A
Chemical reactions
Introducing chemical reactions

OCR GCSE Chemistry A · J248

Introducing chemical reactions

Write formulae and balanced chemical equations.
Use the mole concept and Avogadro constant for calculations.
Explain conservation of mass and observations in non-enclosed systems.
Perform stoichiometric calculations.

Subtopics

1
Quantitative Arithmetic
2
Standard Form with Avogadro
3
Significant Figures
4
Unit Conversions
5
Chemical Formulae
6
Writing Balanced Equations
7
Periodic Table Formulae
8
Deducing Compound Formulae
9
Ionic Equations
10
State Symbols
11
The Avogadro Constant and the Mole
12
Mass and Moles Relationship
13
Law of Conservation of Mass
14
Mass Changes in Reactions
15
Stoichiometry and Limiting Reactants
16
Calculating Masses from Equations

16 of 16 subtopics have revision notes available.

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