HgO→Hg+O2 Cg+HCI→H2+CaCl2 FeHO2→Fe2O3 Zn+O2→ZnO

Question

HgO→Hg+O2
Cg+HCI→H2+CaCl2
FeHO2→Fe2O3
Zn+O2→ZnO

Comments

как

Answer 1

2HgO→2Hg+O2
Cа+2HCI→H2+CaCl2
2Fe(ОН)3→Fe2O3+3Н2О
2Zn+O2→2ZnO