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2Mg + O2 = 2MgO
4Fe + 3O2 = 2Fe2O3
2Cu + O2 = 2CuO

2007-09-28 07:28:48 · 1 answers · asked by Anonymous in Science & Mathematics Chemistry

1 answers

seems right

2007-09-28 07:32:22 · answer #1 · answered by maussy 7 · 0 0

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