![]() ![]() The cookies is used to store the user consent for the cookies in the category "Necessary". This cookie is set by GDPR Cookie Consent plugin. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. The production of bioethanol for use as a biofuel.The combustion of gasoline in a motorcycle when it is running.When we breathe, we inhale oxygen, which is then converted into carbon dioxide that we exhale.When the grape ferments (which implies a change in the sugar contained in the fruits) and turns into wine.Ammonia, which is produced from the mixture of nitrogen and hydrogen.The transformation of wine into vinegar occurs when bacteria begin to act and transform ethyl alcohol into what is known as acetic acid.When we forget the fruits outside the refrigerator for several days, the bacteria begin to act on them, until they oxidize.The burning of gunpowder, when we light a firework or when we shoot a weapon.Baking a cake mix (it can no longer be returned to its previous state).When we put a piece of paper in a flame of fire and it burns and turns to ashes.Diesel, as a result of the refining processes that oil undergoes.During photosynthesis (a process carried out by plants), solar energy becomes their power source.In the digestion of food, what we eat is then transformed into the energy we need to live and to carry out different activities, from the basic ones such as walking and breathing, to the more complex ones, such as thinking and working.When we combine sodium with chlorine and they react, as a consequence common salt is obtained, also called sodium chloride.The transformation of starch into different types of sugar, when they come into contact with saliva, at the moment in which we digest it.The production of water, as a consequence of the combination of two molecules of hydrogen and one of oxygen.This is because the wood in the logs turns to ash and, in turn, releases some gases, such as carbon dioxide. When we burn logs to make a fire, a chemical change occurs.They are classified according to many factors such as the type of compound that reacts, the type of reaction it undergoes, the conditions under which the reaction occurs, and many more. Reactions that absorb energy in the form of light.Reactions that release energy in the form of light.Reactions that absorb energy in the form of heat.Reactions that release energy in the form of heat. ![]()
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