These exothermic and endothermic reactions can be really useful in certain situations. There’s an exothermic reaction in hand warmers - start the reaction and crystals will form to create a nice ...

The oxidation of the iron is an exothermic process. Heat packs that contain supersaturated sodium acetate: These are reusable, the packs are boiled to dissolve sodium acetate. Inside is a metal ...

When a reaction gives off heat, it is called exothermic. When a reaction absorbs heat, it is called endothermic. Is the reaction you observed endothermic or exothermic? How did the mass of the ...

In an endothermic reaction, more energy goes into breaking the bonds of the reactants than is released when the bonds in the products are formed. In this reaction, the temperature goes up so it is ...