Add the equations of chemical reactions, reflecting the methods of obtaining oxygen.
| February 26, 2021 | education
Add the equations of chemical reactions, reflecting the methods of obtaining oxygen. Indicate the conditions for their occurrence. a) Н2О → Н2 +? b) H2O2 →? +? c) HgO →? + О2 d) KClO3 → KCl +?
a) 2H2O → 2H2 + O2 ↑ direct current
b) 2Н2О2 → 2Н2О + О2 ↑ manganese oxide
c) 2HgO → 2Hg + О2 ↑ on heating
d) 2KClO3 → 2KCl + 3O2 ↑ manganese oxide and temperature
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