fire has no specific chemical formula because it is formed from different compound.
Physical Properties of Fire:
| Characteristic | Details |
| Expansion | Fire tends to expand rapidly, especially in the presence of combustible materials, due to the release of gases. |
| Flame Shape | Fire typically appears as a flickering, elongated flame with a distinct conical shape. |
| Heat Production | Fire generates heat energy as a result of combustion. |
| Light Emission | Fire emits visible light in various colors, depending on the temperature and materials being burned. |
| Smoke Production | Fire generates smoke, which consists of small particles and gases produced during combustion. |
| Temperature | Fire can reach high temperatures, typically ranging from several hundred to several thousand degrees Celsius. |
Chemical Properties of Fire:
| Characteristic | Details |
| Combustion | Fire is a chemical reaction known as combustion, involving rapid oxidation of a fuel in the presence of oxygen. |
| Combustion Products | Fire produces combustion byproducts, including gases (such as carbon dioxide, carbon monoxide, and water vapor), ash, and soot. |
| Exothermic Reaction | Fire is an exothermic reaction, meaning it releases heat energy to the surroundings. |
| Flame Color | The color of the flame indicates the chemical elements or compounds present in the fuel and the temperature of the fire. Different colors may indicate different burning materials. |
| Fuel Consumption | Fire consumes fuel to sustain itself and continue burning. The type and quantity of fuel affect the behavior of fire. |
| Oxidation | Fire involves the process of oxidation, where oxygen reacts with the fuel, releasing heat, light, and various combustion byproducts. |
Reactions of fire with Alkaline Earth Metal
| Alkaline Earth Metal | | Chemical Equation |
| Beryllium (Be) | | No product formed |
| Magnesium (Mg) | | 2Mg and O₂ → 2MgO |
| Calcium (Ca) | | 2Ca and O₂ → 2CaO |
| Strontium (Sr) | | 2Sr and O₂ → 2SrO |
| Barium (Ba) | | 2Ba and O₂ → 2BaO |
| Radium (Ra) | | No specific equation available. |
Reactions of fire with Alkali Metal
| Alkali Metal | | Chemical Equation |
| Lithium (Li) | | 4Li and O₂ → 2Li₂O |
| Sodium (Na) | | 4Na and O₂ → 2Na₂O |
| Potassium (K) | | 4K and O₂ → 2K₂O |
| Rubidium (Rb) | | 4Rb and O₂ → 2Rb₂O |
| Cesium (Cs) | | 4Cs and O₂ → 2Cs₂O |
| Francium (Fr) | | No specific equation available. |
Reactions of fire with Transition Metal
| Transition Metal | | Chemical Equation |
| Iron (Fe) | | 4Fe and 3O₂ → 2Fe₂O₃ |
| Copper (Cu) | | 2Cu and O₂ → 2CuO |
| Silver (Ag) | | No product formed |
| Gold (Au) | | No product formed |
| Platinum (Pt) | | No product formed |
| Titanium (Ti) | | 2Ti and O₂ → 2TiO₂ |
Reactions of fire with Non-Transition Metal
| Non-Transition Metal | | Chemical Equation |
| Aluminum (Al) | | 4Al and 3O₂ → 2Al₂O₃ |
| Zinc (Zn) | | 2Zn and O₂ → 2ZnO |
| Tin (Sn) | | 2Sn and 2O₂ → 2SnO₂ |
| Lead (Pb) | | No product formed |
| Bismuth (Bi) | | No product formed |
| Antimony (Sb) | | 4Sb and 3O₂ → 2Sb₂O₃ |
| Arsenic (As) | | No product formed |
| Mercury (Hg) | | No product formed |
| Iodine (I) | | No product formed |
| Sulfur | | S and O₂ → SO₂ (g) |
Reactions of fire with Non-Metal
| Non-Metal | | Chemical Equation |
| Hydrogen (H₂) | | 2H₂ (g) and O₂ → 2H₂O (g) |
| Oxygen (O₂) | | No product formed |
| Nitrogen (N₂) | | No product formed |
| Carbon (C) | | C₍ₛ₎ and O₂ → CO₂ (g) |
| Phosphorus (P) | | 4P₍ₛ₎ and 5O₂ → 2P₂O₅ |
| Sulfur (S₈) | | S₈ and 8O₂ → 8SO₂ (g) |
| Chlorine (Cl₂) | | No specific equation available. |
| Fluorine (F₂) | | No specific equation available. |
| Bromine (Br₂) | | No specific equation available. |
| Iodine (I₂) | | No product formed |
Reactions of fire with Metalloid
| Metalloid | | Chemical Equation |
| Boron (B) | | 2B₍ₛ₎ and 3O₂ → 2B₂O₃ |
| Silicon (Si) | | No product formed |
| Germanium (Ge) | | No product formed |
| Arsenic (As) | | No product formed |
| Antimony (Sb) | | 4Sb and 3O₂ → 2Sb₂O₃ |
| Tellurium (Te) | | Te and O₂ → TeO₂ |
| Polonium (Po) | | No specific equation available. |
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