What is the definition of Gay-Lussac's law?

Gay-Lussac's law, also known as the law of combining volumes, states that the ratio between the volumes of gases involved in a chemical reaction is always in small whole numbers provided that all gases are at the same temperature and pressure. To understand the definition of Gay-Lussac's law, we can break it down into its key components.

First, let's understand the context of this law. It is based on the observations of the French chemist Joseph Louis Gay-Lussac in the early 19th century. He noticed that when gases react with one another, the ratios between the volumes of the reacting gases and the volumes of the gaseous products are simple, often small, whole numbers.

The law can be stated as follows:

"At constant temperature and pressure, the ratio of the volumes of reacting gases and gaseous products in a chemical reaction can be expressed as small whole numbers."

For example, if we have a chemical reaction where two volume units of gas A react to form three volume units of gas B, this law states that the ratio of A to B will always be 2 to 3.

To find the definition of Gay-Lussac's law or understand its application in specific problems, you can refer to textbooks on chemistry or online educational resources. These sources will explain the law in more detail, provide examples, and demonstrate its mathematical applications in various gas reactions.