Question

Hi... I have few queries related to my science project.... Can somebody help me out with these questions please..... 1. Write the chemical equation of the reaction that takes place in a hand warmer. 2. A similar phenomenon takes place in nature like the reaction taking place in hand warmer. Name this phenomenon. Could the answer of 2 question be rusting ??? Somebody help me out !!!

Answer 1

The heat given off by an air activated Hand warmer is caused by a chemical reaction . The iron within the hand warmer mixes with the oxygen in the air and oxides, because it gives off heat when it reacts the process is known as an exothermic oxidation.4Fe(s)+302(g)-> 2Fe203(s)