One of the most common real life examples of a redox reaction is one that is necessary for life itself, in which a cell oxidizes glucose to carbon dioxide and reduces oxygen to water, providing energy through cellular respiration. In plants, the reaction occurs in the opposite direction and uses energy supplied by the sun, according to Reference.com.Continue Reading
HowStuffWorks reports that the reaction taking place in a common battery is a redox reaction and produces an electrical charge. Oxidation occurs at the anode, where two or more ions combine to produce a compound and release one or more electrons. Reduction takes place using cathode materials and electrons. The battery continues producing electrons until one or both electrodes runs out of the substance needed for reactions to occur. Rechargeable batteries allow the user to reverse the flow of electrons with a charger, which rebuilds the electrodes so they can provide electricity again.
The rusting of iron is another common redox reaction. Iron metal reacts with moist air through the oxidation process to create a hydrated iron oxide. Unlike aluminum oxide, which provides a protective coating, iron oxide flakes off at the surface, exposing more iron during the oxidation process, according to WebElements. Eventually, the iron loses its structural integrity due to rust.Learn more about Chemical Equations
During oxygen debt, a muscle cell needs more energy than its oxygen supply normally allows, so it breaks down glucose only partially and produces lactic acid as a waste product instead of water and carbon dioxide. This lactic acid must be broken down by oxygen once levels rise again.Full Answer >
Respiration, in which energy is released from carbohydrates for metabolic needs, takes place in plants through a process which can be expressed in a word equation as: glucose + oxygen = energy + carbon dioxide + water. The chemical equation for this process can be expressed as: C6H12O6 + 6O2 = energy + 6CO2 + 6H2O. Respiration, which is a breaking-down process that releases energy, can be viewed as the opposite of photosynthesis, which is a building-up process that takes in energy in the form of light and uses it to produce carbohydrates.Full Answer >
In words, the equation for combustion, in most cases, is a hydrocarbon plus oxygen equals carbon dioxide plus water plus heat. Other cases involve burning hydrogen and oxygen without carbon and reactions that create carbon monoxide.Full Answer >
The word equation for the burning of a candle is wax plus oxygen yields carbon dioxide and water. This is an exothermic reaction that produces both light and heat.Full Answer >