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27 December, 00:07

Write a balanced chemical equation for the reaction that occurs when calcium metal undergoes a combination reaction with O2 (g).

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Answers (2)
  1. 27 December, 00:52
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    2Ca (s) + O2 (g) - - - >2CaO (s)
  2. 27 December, 03:58
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    Ca (s) + O2 (g) = CaO (s)
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