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Photosynthesis involves two stages: the light-dependent reactions, which require sunlight and water to produce oxygen, ATP, and NADPH, and the light-independent reactions (or "dark reactions"), which use the products of the light-dependent reactions along with carbon dioxide to produce carbohydrates. Created by Sal Khan.
- 14 min
- Sal Khan
photosynthesis keeps the levels of oxygen and carbon dioxide in the atmosphere in balance – without it we would very quickly run out of oxygen. ... Here is the word equation for photosynthesis:
Apr 24, 2014 · Photosynthesis is the combining of Carbon Dioxide and Water to make Glucose and Oxygen. The equation is: 12H 2O+ 6CO2 → 6H 2O +C6H 12O6 + 6O2. This reaction must occur in the presence of sunlight because light energy is required. The equation can also be written out in words as: In the presence of sunlight, six moles of carbon dioxide and six ...
Oct 12, 2016 · More correctly balanced and in the chemical formula, the equation looks like this: 6 CO₂ + 6 H₂O + energy → C₆H₁₂O₆ + 6 O₂. This shows that it takes six molecules of carbon dioxide and water to produce one molecule of glucose and six molecules of oxygen. In reality, photosynthesis is far more complicated than this simple reaction.
The sugars produced by photosynthesis are used to make all the substances a plant needs, as well as being used in respiration to release energy; These reactions can be summarised into a simple equation Word equation for photosynthesis Balanced symbol equation for photosynthesis
The photosynthesis equation is the exact reverse of the aerobic respiration equation so if you have learned one you also know the other one! You will usually get more marks for providing the balanced chemical equation than the word equation.
The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.
