(a) Define chemical reaction. (b) What is a chemical equation?
(a) Define chemical reaction.
(b) What is a chemical equation?
(c) Why do we need to balance chemical equations?
2 Answers
(a) Chemical reaction: Any chemical change in matter which involves its transformation into one or more new substances is called a chemical reaction.
(b) Chemical equation: A chemical equation is the symbolic representation of a chemical reaction using the symbols and the formula of the substances involved in the reaction.
(c) A chemical equation needs to be balanced so as to make the number of the atoms of the reactants equal to the number of the atoms of the products.
(a) Chemical reaction: Any chemical change in a matter which involves its transformation into one or more new substances is called a chemical reaction.
(b) Chemical equation: A chemical equation is the symbolic representation of a chemical reaction using the symbols and the formula of the substances involved in the reaction.
(c) A chemical equation needs to be balanced so as to make the number of the atoms of the reactants equal to the number of the atoms of the products.