Photosynthesis (CIE IGCSE Chemistry)

Revision Note

Caroline

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Caroline

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Physics Lead

Photosynthesis

  • Photosynthesis is an endothermic reaction
    • Energy is taken in from the environment by chloroplasts / chlorophyll
  • The reactants for photosynthesis are carbon dioxide and water
  • They are converted into glucose and oxygen 
  • Chlorophyll (found in chloroplasts) and energy from light are required for this reaction to occur
  • The word equation for photosynthesis is:

Photosynthesis word equation

Carbon dioxide and water producing glucose and oxygen during photosynthesis

Symbol equation for photosynthesis

Extended tier only

  • The balanced symbol equation for photosynthesis is:

Balanced chemical equation for photosynthesis

Balanced symbol equation for photosynthesis

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Caroline

Author: Caroline

Caroline graduated from the University of Nottingham with a degree in Chemistry and Molecular Physics. She spent several years working as an Industrial Chemist in the automotive industry before retraining to teach. Caroline has over 12 years of experience teaching GCSE and A-level chemistry and physics. She is passionate about creating high-quality resources to help students achieve their full potential.