Ответ:
2Be + O2 = 2BeO
2K + Cl2 = 2KCl
4Al + 3S2 = 2Al2S3
2H2O = 2H2 + O2
2SO3 = 2SO2 + O2
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Ответ:
2Be + O2 = 2BeO
2K + Cl2 = 2KCl
4Al + 3S2 = 2Al2S3
2H2O = 2H2 + O2
2SO3 = 2SO2 + O2