Why should a chemical equation be balanced ?

(a) What is a balanced chemical equation ? Why should chemical equations be balanced ? (b) Aluminium burns in chlorine to from aluminium chloride (AlCl_(3)). Write a balanced chemical equation for this reaction. (c ) Fotassium metal reacts with water to give potassium hydroxide and hydrogen gas. Write a balanced chemical equation for this reaction

What is a balanced chemical equation? Why should chemical equations be balanced?

What is a chemical equation? Why are chemical equations balanced? Write a balanced chemical equation with state symbols for the following reaction: Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.

What is a balanced chemical equation ?