Clacular el número de moles en 25,0 g de hidróxido de aluminio

List four observations that indicate that a chemical reaction may be taking place

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

What are the major types of a chemical compound