Equations worksheet3 CHM 02

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All the carbonates in this Group undergo thermal decomposition to give the metal oxide and carbon dioxide gas. Thermal decomposition is the term given to splitting up a compound by heating it.

All of these carbonates are white solids, and the oxides that are produced are also white solids.

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Equations worksheet3 CHM 02

  1. 1. Worksheet #3: Decomposition Reactions In decomposition reactions, one compound will break down into two or more parts. 1. barium carbonate 2. magnesium carbonate 3. potassium carbonate 4. zinc hydroxide 5. Iron(II) hydroxide 6. nickel(II) chlorate 7. sodium chlorate 8. potassium chlorate 9. sulfuric acid 10. carbonic acid 11. aluminum oxide 12. silver oxide
  2. 2. Worksheet #3: Decomposition Reactions In decomposition reactions, one compound will break down into two or more parts. 1. barium carbonate barium oxide + carbon dioxide BaCO3 BaO + CO2 2. magnesium carbonate magnesium oxide + carbon dioxide MgCO3 MgO + CO2 3. potassium carbonate potassium oxide + carbon dioxide K2CO3 K2O + CO2 4. zinc hydroxide zinc oxide + water Zn(OH)2 ZnO + H2O 5. iron(II) hydroxide iron(II) oxide + water Fe(OH)2 FeO + H2O 6. nickel(II) chlorate nickel(II) chloride + oxygen Ni(ClO3)2 NiCl2 + 3O2 7. sodium chlorate sodium chloride + oxygen 2NaClO3 2NaCl + 3O2 8. potassium chlorate potassium chloride + oxygen 2KClO3 2KCl + 3O2 9. sulfuric acid water + sulfur trioxide H2SO4 H2O + SO3 10. carbonic acid water + carbon dioxide H2CO3 H2O + CO2 11. aluminum oxide aluminum + oxygen 2Al2O3 4Al + 3O2 12. silver oxide silver + oxygen 2Ag2O 4Ag + O2

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