# Write the balanced chemical reaction of the following reactions. 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 aluminum sulphate to give aluminum chloride and a precipitate of barium sulphate

a. $$N_{2}{(g)}+3H_{2}{(g)} \rightarrow 2NH_{3}{(g)}$$ b. $$2H_{2}S{(g)}+3O_{2}{(g)} \rightarrow 2H_{2}O{(g)}+2SO_2{(g)}$$ c. $$3BaCl_{2}{(aq)}+Al_{2}{(SO_{4})}_{3}{(aq)} \rightarrow 3BaSO_{4}+2AlCl_{3}{(aq)}$$