Ответ:
2Al+3S>Al2S3; 4Al+3O2>2Al2O3;2Cr+3Cl2>2CrCl3;3H2+N2>2NH3;2HgO>2Hg+O2;3Zn+N2>Zn3N2;2Ba+O2>2BaO
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Ответ:
2Al+3S>Al2S3; 4Al+3O2>2Al2O3;2Cr+3Cl2>2CrCl3;3H2+N2>2NH3;2HgO>2Hg+O2;3Zn+N2>Zn3N2;2Ba+O2>2BaO