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11-06-2016
Chemistry

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

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11-06-2016

In order to balance this, you have to count each element where the elements in the reactants side and the product side should have equal number of molecules. The balanced reaction is as follows:

2 Ca + O2 ---> 2CaO

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