Balanced symbol equation
What Balanced symbol equation means in Combined Science GCSE, as defined for AQA.
Definitions of Balanced symbol equation
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Reference: AQA
Equation written with the correct state symbols if they are given or can be deduced, with the same number of atoms of each element on both sides.
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂, using six carbon dioxide and six water molecules to produce one glucose and six oxygen molecules.
A correct equation that must be written before any mass calculation, whose coefficients give the reacting mole ratio.
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O, the chemical summary of a series of enzyme-controlled reactions in the mitochondria.
An equation whose balancing numbers give the ratio of amounts in moles.
A way of representing a reaction such as 2Mg + O₂ → 2MgO.
Topics that use Balanced symbol equation
- Aerobic and anaerobic respiration (AQA GCSE)
- Amounts of substances in equations (HT only) (AQA GCSE)
- How oxygen increased (AQA GCSE)
- Metal oxides (AQA GCSE)
- Using moles to balance equations (HT only) (AQA GCSE)
Related terms
- Conservation of mass
- Mole ratio
- Relative formula mass
- Subscripts
- Word equation
- Aerobic respiration
- Anaerobic respiration
- Balancing numbers
Using Balanced symbol equation in the exam
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