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A chemical reaction that produces heat is what?

An exothermic reaction is a chemical reaction that produces heat as a byproduct. In these reactions, energy is released in the form of heat, increasing the temperature of the surroundings. This is in contrast to endothermic reactions, which absorb heat from the surroundings.


Condensation reactions typically produce?

Condensation reactions typically produce a larger molecule and a small molecule as a byproduct, such as water or ammonia. These reactions involve the loss of a small molecule to form a covalent bond between two molecules or functional groups.


What is a change that produces a new substance called?

A chemical change produces a new substance with different chemical properties from the original substances. This change involves the breaking and forming of chemical bonds. Examples of chemical changes include burning wood, baking a cake, and rusting of iron.


Breaking a light stick chemical change?

When you break a light stick, it is a physical change, not a chemical change. The breaking of the light stick only changes its physical state but does not alter its chemical composition. This is because the chemical reactions that produce light in a light stick have already occurred when the stick was activated, and breaking it does not initiate any new chemical reactions.


What chemical reactions are exothermic?

Any chemical reaction that produces energy is exothermic. A erection that requires energy is endothermic. For instance, NaCl + H20 -> HCl + NaOH is endothermic. Run the equation the opposite direction, HCl _+ NaOH -> NaCl + H20 and it's an exothermic reaction.

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