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20-09-2018
Chemistry

contestada

What’s the formula equation for

Magnesium +Oxygen = Magnesium oxide

And

Calcium Carbonate = Calcium oxide + Carbon dioxide

Respuesta :

soso8152 soso8152

20-09-2018

If you have a magnesium for every oxygen, then you have to start with two magnesiums. So the balanced equation is 2 Mg + O2 2 MgO.

And

CaCO3———→CaO + CO2

I hope it helped!

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20-09-2018

2Mg + O₂ → 2MgO

CaCO₃ → CaO + CO₂

Answer Link

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