* Reactants:
* Magnesium (Mg): The thin coil inside the flashbulb.
* Oxygen (O₂): The gas surrounding the magnesium coil.
* Product:
* Magnesium oxide (MgO): A white powdery compound that forms when magnesium and oxygen react.
The Chemical Reaction:
When the flashbulb is triggered, a small electric current heats the magnesium coil. This heat causes the magnesium to react rapidly with the oxygen in the surrounding air. This reaction is exothermic, meaning it releases heat and light.
The Equation:
The chemical equation for this reaction is:
2 Mg + O₂ → 2 MgO
Explanation:
* 2 Mg: Two atoms of magnesium (Mg)
* O₂: One molecule of oxygen (O₂)
* 2 MgO: Two molecules of magnesium oxide (MgO)
In simpler terms: Magnesium combines with oxygen to form magnesium oxide, releasing a burst of light and heat.
