Sunday, 9 July 2017

2.11: Describe the Combustion of Elements in Oxygen, Including Magnesium, Hydrogen and Sulfur



COMBUSTION: Chemical reaction involving burning (ignition)
s
COMBUSTION OF ELEMENTS IN OXYGEN:
s
ELEMENT
OBSERVATION DURING COMBUSTION
EQUATION FOR REACTION
MAGNESIUM
  • Intense white light (white flame)
  • White powder produced
2Mg + O2 → 2MgO
HYDROGEN
  • Exothermic
  • Water is produced
2H2 + O2 → 2H2O
SULFUR
  • Blue flame
  • Colourless gas produced
       S + O2  →  SO2

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