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Yanma
Bir tür kimyasal reaksiyon / From Wikipedia, the free encyclopedia
Yanma, bir yakıt (indirgeyici) ve bir oksidan (genellikle atmosferik oksijen) arasında gerçekleşen, duman adlı karışımda oksitlenmiş, çoğunlukla gaz halinde ürünler üreten yüksek sıcaklıktaki bir ekzotermik redoks reaksiyonuudur.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Fire02.jpg/640px-Fire02.jpg)
Bütün ekzotermik yanma olayları sonucunda ısı ortaya çıkar. Azot gibi bazı elementlerin yanma süreci ise endotermiktir. Yanma tepkimeleri kimyasal bir olaydır. Yapısında karbon ve hidrojen bulunduran organik maddeler (hidrokarbonlar) ve yapısında karbon, hidrojen ve oksijen bulunduran organik maddeler yandıklarında karbondioksit ve su oluşur.