Groves561 Groves561

12-04-2015
Biology

contestada

Which of the following is a correctly balanced equation? A. 2Cu + O2 --> 2CuO B. Mg + O2 --> MgO2 C. 3kCl + HNO3 --> 3HCl + KNO3 D. CaCO3 --> CaO + CO3

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joellabarra joellabarra

12-04-2015

2Cu+02- >2CuO is a correctly balanced equation.

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