How does aluminum react with acids and alkalis in different environments?

Aluminum reacts differently with acids and alkalis depending on the specific environment. In the presence of acids, such as hydrochloric or sulfuric acid, aluminum undergoes a redox reaction where it loses electrons and forms aluminum ions (Al^3+). The reaction can be represented as: 2Al + 6HCl 鈫?2AlCl鈧?+ 3H鈧? With alkalis, aluminum reacts to form aluminate ions and hydrogen gas. This reaction is represented as: 2Al + 2NaOH + 6H鈧侽 鈫?2NaAl(OH)鈧?+ 3H鈧? The rate of these reactions can be influenced by factors such as temperature, concentration, and the presence of catalysts.