chemical formula for fire?

Answer 1

I've heard that arson works. But there are many, many formulas to start fires. But I don't know which atoms make it up. Oxygen and something else. It will come to me soon, I hope!

Answer 2

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assuming by fire, you mean combustion.... Combustion or burning is the sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species A simple example can be seen in the combustion of hydrogen and oxygen, which is a commonly used reaction in rocket engines: 2 H2 + O2 → 2 H2O(g) + heat Another example often found in school laboratories is the combustion of methane and oxygen. CH4 + 2 O2 → CO2 + 2 H2O + energy In a complete combustion reaction, a compound reacts with an oxidizing element, the products are compounds of each element in the fuel with the oxidizing element.

Answer 3

Fire cannot have a scientific formula, it is not a substance; it is a chemical reaction. Fire is very fast oxidization of a substance (usally). An example of a real and unfortunatly tragic event proving this is the deaths of astronauts in the 1950's when the velcro (not flammable in normal conditions) burned violently in the pure oxygen enviroment of the capsule they were in.

PS- I have not taken chemistry in awile; someone please correct me if I'm wrong!

Answer 4

Combustion or burning is a complex sequence of chemical reactions between a fuel and an oxidant accompanied by the production of heat or both heat and light in the form of either a glow or flames.

Since not every oxidation process results in the production of heat (for example, corrosion), the term combustion can only be applied to exothermic processes that occur at a rate fast enough to produce heat.

In a complete combustion reaction, a compound reacts with an oxidizing element, and the products are compounds of each element in the fuel with the oxidizing element. For example:

CH_4 + 2O_2 \rightarrow \; CO_2 + 2H_2O + heat
CH_2S + 6F_2 \rightarrow \; CF_4 + 2HF + SF_6 + heat

In most cases, combustion uses oxygen (O2) obtained from the ambient air, which can be taken as 21 mole percent oxygen and 79 mole percent nitrogen (N2). Thus, when methane (CH4) is combusted using air as the oxygen source, the first example equation above becomes:

CH_4 + 2O_2 + 7.52N_2 \rightarrow \; CO_2 + 2H_2O + 7.52 N_2 + heat

As can be seen, when air is the source of the oxygen, nitrogen is by far the largest part of the products of combustion.


Chemical equation

Generally, the chemical equation for burning a hydrocarbon (such as octane) in oxygen is as follows:

C_xH_y + (x + \frac{y}{4})O_2 \rightarrow \; xCO_2 + (\frac{y}{2})H_2O

For example, the burning of propane is:

C_3H_8 + 5O_2 \rightarrow \; 3CO_2 + 4H_2O

The simple word equation for the combustion of a hydrocarbon in oxygen is:

Fuel + Oxygen \rightarrow \; Heat + Water + Carbon\ dioxide

If the combustion takes place using air as the oxygen source, the corresponding equations are:

C_xH_y + (x+ \frac{y}{4})O_2 + 3.76(x+ \frac{y}{4})N_2 \rightarrow \; xCO_2 + (\frac{y}{2})H_2O + 3.76(x + \frac{y}{4})N_2

For example, the burning of propane is:

C_3H_8 + 5O_2 + 18.8N_2 \rightarrow \; 3CO_2 + 4H_2O + 18.8N_2

The simple word equation for the combustion of a hydrocarbon in air is:

Fuel + Oxygen + Nitrogen \rightarrow \; Heat + Water + Carbon\ dioxide + Nitrogen

Answer 5

the Fire, is basically emission of heat energy aling with the carbon and gaseou forms of the elements burned, like co2, co , so2 etc ans some unburnt carbon particles ..The color of the fire is due the materials which is burning or emitting light. Various periodic table elements etc emit a specific color od light or fire when burned or heated red hot. Also fire is basically

Answer 6

An oxide of some sort, it really depends on what's burning...flames produced by sodium are sodium oxides

Answer 7

the chemical reaction is:
carbohydrates+oxigen = CO_2 + H_2O + heat+ light + heavier carbohydrates that form the smoke

Answer 8

There is none.