Translate the following statements into chemical equations and then balance them.
a. Hydrogen gas combines with nitrogen to form ammonia.
b. Hydrogen sulphide gas burns in air to give water and sulphur dioxide
c. Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
d. Potassium metal reacts with water to give potassium hydroxide and hydrogen gas
Answers (1)
a. \(3H_{2(g)} + N_{2(g)} \rightarrow 2NH_{3(g)}\)
b. \(2H_2S_{(g)} + 3O_{2(g)} \rightarrow 2H_2O_{(l)} + 2SO_{2(g)}\)
c. \(3BaCl_{2(aq)}+Al_2(SO_4)_{3(aq)} \rightarrow 2AlCl_{3(aq)}+3BaSO_{4(s)}\)
d. \(2K_{(s)}+2H_2O_{(l)} \rightarrow 2KOH_{(aq)}+H_{2(g)}\)