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Chemical Reactions and Equations
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30/08/2021 3:21 pm
Topic starter
Translate the following statements into chemical equations and then balance the equations :
(a) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
(b) Phosphorus burns in oxygen to give phosphorus pentoxide.
(c) Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.
(d) Aluminium metal replaces iron from ferric oxide, Fe2O3, giving aluminium oxide and iron.
(e) Barium chloride reacts with zinc sulphate to give zinc chloride and barium sulphate.
1 Answer
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30/08/2021 3:23 pm
(a) 2H2S + 3O2 → 2H2O + 2SO2
(b) P4 + 5O2 → 2P2O5
(c) CS2 + 3O2 → CO2 + 2SO2
(d) 2Al + Fe2O3 → Al2O3 + 2Fe
(e) BaCl2 + ZnSO4 → ZnCl2 + BaSO4