When a substance takes fire in the atmosphere without being exposed to intense or high heat, the action is called " spontaneous combustion." Phosphorus is the only common substance which is ...

where Q is the heat of combustion. In this reaction, atoms are conserved and the equation balances for each of the species. The reaction is a stoichiometric reaction, and the coefficients multiplying ...

A fuel, oxygen and heat are needed for a fire. If one of these is removed, a fire will go out. The fire triangle summarises the three things needed for combustion - a fuel, heat and oxygen.