hahzhza hahzhza

03-01-2018
Chemistry

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Please help! Worth 20 points
For each reaction below, write the balanced equation.

1.FeS2+O2—>Fe2O3+SO2

2.AI+O2—>AIO2

3.K+Br2- ->KBr

4.SiO2+HF—>SiF4+H2O

Respuesta :

carlafossil320 carlafossil320

03-01-2018

1. 2FeS2+7O2-->2FeO3+4SO2
2. Al+O2-->AlO2
3. 2K+Br2-->2KBr
4. SiO2+4HF-->SiF4+2H2O

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