Write a word and balanced equation for the reactions below and identify the type

Question

Write a word and balanced equation for the reactions below and identify the type of reaction. Aluminium metal burns in pure oxygen to produce solid aluminium oxide. Word equation ___________ When solid mercury (II) oxide is heated, it breaks down to form liquid mercury and oxygen gas. Word equation ___________ Chemical equation ___________ A solution of ammonium sulfate added to a solution of lead (II) nitrate, forms soluble ammonium nitrate and solid lead (II) sulfate. Word equation ___________ Chemical equation ___________ Copper metal and iron (II) nitrate in solution are formed when iron metal is added to a solution of copper (II) nitrate. Word equation ___________ Chemical equation ___________ Hydrogen sulfide gas reacts with oxygen gas to form water vapor and solid sulfur. Word equation ___________ Chemical equation ___________

Explanation / Answer

1. 4Al + 3O2 -> 2Al2O3 (Oxidation) 2. 2HgO -> 2Hg + O2 (Dissociation) 3. (NH4)2SO4 + Pb(NO3)2 -> 2NH4NO3 + PbSO4 (Double Displacement) 4. Fe + Cu(NO3)2 -> Cu + Fe(NO3)2 (Displacement) 5. 2H2S + O2 -> 2H2O + 2S (Oxidation Reduction)

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