An "exothermic" reaction gives off heat.
An endothermic change requires heat, and an exothermic change releases heat.
If something is "exothermic" it gives off heat. The opposite is "endothermic" this absorbs heat.
what is released during a chemical reaction is ENERGY.
An endothermic change requires heat, and an exothermic change releases heat.
Exothermic reactions release energy in the form of heat, causing an increase in temperature.
Something is exothermic if it releases heat (noting or pertaining to a chemical change that is accompanied by a liberation of heat).
Exothermic
An exothermic reaction is identified by a release of heat energy. This can be observed by a temperature increase in the surroundings, production of light or sound, or feeling warmth. Additionally, exothermic reactions often result in a negative change in enthalpy (ΔH).
Heat and energy
A reaction in which heat is given out.
An exothermic change is a change that releases heat. Combustion is an exothermic chemical reaction.Adding water to sulfuric acid releases heat, called exothermic heat of mixing. Exothermic changes are the opposite of endothermic changes that absorb heat when they take place.
In an exothermic chemical reaction, heat is released to the surroundings. This results in an increase in temperature, which can be observed as a rise in temperature of the surroundings. Additionally, the products of the reaction typically have lower energy than the reactants.