you probably already have some familiarity with equations from math class, but they are widely used in…

you probably already have some familiarity with equations from math class, but they are widely used in science as well. a chemical equation is a written way of representing a chemical reaction. when two or more substances combine to form a new substance, or when a substance breaks down into two or more different substances, that is a chemical reaction. it can then be expressed as an equation, such as with water (h2o) or salt (nacl). which of these is a chemical reaction? a when two or more substances combine to form a new substance b when a substance breaks down into two or more different substances c both a and b d none of the above

you probably already have some familiarity with equations from math class, but they are widely used in science as well. a chemical equation is a written way of representing a chemical reaction. when two or more substances combine to form a new substance, or when a substance breaks down into two or more different substances, that is a chemical reaction. it can then be expressed as an equation, such as with water (h2o) or salt (nacl). which of these is a chemical reaction? a when two or more substances combine to form a new substance b when a substance breaks down into two or more different substances c both a and b d none of the above

Answer

Brief Explanations:

El texto define que una reacción química es cuando dos o más sustancias se combinan para formar una nueva sustancia o cuando una sustancia se descompone en dos o más sustancias diferentes. Las opciones A y B representan estos dos casos.

Answer:

C. Both a and b