The Chemical formula of carbon dioxide is CO2.
Characteristics Of Carbon Dioxide
| Properties | Detail |
| Chemical formula | CO2 |
| Molecular weight | 44.01 g/mol |
| State at room temperature | Gas |
| Density | 1.98 kg/m³ (at 25°C) |
| Odor | Odorless |
| Color | Colorless |
| Melting point | -56.6°C (-69.9°F) |
| Solubility | Soluble in water (forms carbonic acid), slightly soluble in alcohol |
| Boiling point | -78.5°C (-109.3°F) |
| Toxicity | Can cause asphyxiation in high concentrations |
| Flammability | Non-flammable |
| Acidity | Slightly acidic when dissolved in water |
| Sources | Produced during
· Respiration · Combustion · Fermentation · and decomposition of organic matter. Also found in the atmosphere and oceans. |
Reaction of carbon dioxide with Alkali Metal
| Alkali Metal | Reaction with Carbon Dioxide |
| Lithium (Li) | 2Li + CO2 react and change into Li2CO3 |
| Sodium (Na) | 2Na + CO2 react and change into Na2CO3 + C (or Na2O + C) |
| Potassium (K) | 2K + CO2 react and change into K2CO3 + C (or K2O + C) |
| Rubidium (Rb) | 2Rb + CO2 react and change into Rb2CO3 + C (or Rb2O + C) |
| Cesium (Cs) | 2Cs + CO2 react and change into Cs2CO3 + C (or Cs2O + C) |
| Francium (Fr) | No product |
Reaction of carbon dioxide with Alkaline Earth Metal
| Alkaline Earth Metal | Reaction with Carbon Dioxide |
| Beryllium (Be) | BeO + CO2 react and change into BeCO3 |
| Magnesium (Mg) | Mg + CO2 react and change into MgO + C (or MgO + CO) |
| Calcium (Ca) | Ca + CO2 react and change into CaCO3 |
| Strontium (Sr) | Sr + CO2 react and change into SrCO3 |
| Barium (Ba) | Ba + CO2 react and change into BaCO3 |
Reaction of carbon dioxide with Transition Metal
| Transition Metal | Reaction with Carbon Dioxide |
| Iron (Fe) | 3Fe + 2CO2 react and change into Fe3O4 + 2CO |
| Cobalt (Co) | Co + CO2 react and change into CoO + C |
| Nickel (Ni) | Ni + CO2 react and change into NiO + C |
| Copper (Cu) | Cu + CO2 react and change into CuO + C |
| Zinc (Zn) | Zn + CO2 react and change into ZnO + C |
Reaction of carbon dioxide with Non-Transition Metal
| Non-Transition Metal | Reaction with Carbon Dioxide |
| Aluminum (Al) | 4Al + 3CO2 react and change into 2Al2O3 + 3C |
| Silicon (Si) | Si + 2CO2 react and change into SiO2 + 2C |
| Tin (Sn) | Sn + 2CO2 react and change into SnO2 + 2C |
| Lead (Pb) | Pb + CO2 react and change into PbO + C |
Reaction of carbon dioxide with Non-Metal
| Non-Metal | Reaction with Carbon Dioxide |
| Hydrogen (H) | H2 + CO2 react and change into H2O + CO |
| Carbon (C) | C + 2CO2 react and change into 2CO |
| Sulfur (S) | S + 2CO2 react and change into SO2 + 2C |
| Nitrogen (N) | 2N2 + 5CO2 react and change into 4NO + 5CO |
Reaction of carbon dioxide with Metalloid
| Metalloid | Reaction with Carbon Dioxide |
| Boron (B) | B2O3 + 3CO2 react and change into 2BCO3 |
| Silicon (Si) | Si + 2CO2 react and change into SiO2 + 2C |
| Germanium (Ge) | Ge + 2CO2 react and change into GeO2 + 2C |
| Arsenic (As) | As + 2CO2 react and change into AsO2 + 2C |