Handwarmers are an example of an exothermic reaction. They release heat into their surroundings. However, exothermic reactions don't always release heat, sometimes the energy is released as light.

An allergic reaction is your body’s response to a substance that it deems dangerous or potentially deadly. Spring allergies, for example, are caused by pollens or grasses. A deadlier type of ...

Tell students that an example of a very exothermic reaction is the combustion or burning of fuel like the gas in a kitchen stove. Even if students have seen the animation of the combustion of methane ...

For example, if it becomes clear a certain facial cream is causing an allergic reaction, stopping its use may cease all symptoms. However, ...

At the heart of the Pharaoh’s Snake is a chemical called mercury(II) thiocyanate. When heated, mercury(II) thiocyanate ...

An exothermic reaction releases energy in the form of light or heat to its surroundings, contrasting with endothermic reactions which absorb energy. The term "Exo" denotes "release," and "thermic ...

The combustion of methane is an example of an exothermic reaction. More energy is released when the bonds in the products are formed than is used to break the bonds of the reactants. This is shown by ...