jueves, 10 de mayo de 2018

The chemistry of fire

The other day, we recived a firefighter who told as very important facts about how firmes are started And what we could do about it .

In order to start a fire, three things are needed, a comburent, an energy of
activation And a fuel. In the case of a fire of a three in a garden, the fuel Will be the wood, the energy of activation would be the heat source that it's needed yo start the combustión And the comburent that would be an element that makes the fire last for the time it lasts, in this case oxígen, ones the oxigen is all consumed, the fire will die alone.

Also, we got to know that there are 4 kinds of fires depending on what started it . Depending on it's Origin it's clasifided as fire A,B,C or D And each of them has a respective kind of estinguisher, wich poses diferent substances in order to not make the fire Even bigger.



viernes, 4 de mayo de 2018