Question

what is catalyst? give one example with a balanced chemical equation

Answer 1

A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
Example:enzyme
A chemical equation shows the chemical formulas of substances that are reacting and the substances that are produced. The number of atoms of the reactants and products need to be balanced. In this lesson, we will discuss balancing chemical equations.

A balanced chemical equation occurs when the number of the atoms involved in the reactants side is equal to the number of atoms in the products side.

Answer 2

Answer:

A substance that effects the rate of a chemical reaction without participating in the reaction is called a catalyst.

Explanation:

For example,nitrogen and hydrogen react to form ammonia in the presence of iron as a catalyst