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Carbon dioxide [Chemical formula, Physical, Chemical Properties and Reactions]

Chemical formula of carbon dioxide is CO2.

Physical Properties of Carbon Dioxide (CO2):

Properties Details
Boiling Point -57.0°C
Color Colorless
Density 1.977 g/L (at STP)
Melting Point -78.5°C
Odor Odorless
Refractive Index 1.00045 (at 0°C and 1 atm)
Solubility Soluble in water, forming carbonic acid
State Gas at standard temperature and pressure (STP)
Thermal Conductivity Low

Chemical Properties of Carbon Dioxide (CO2):

Properties Details
Acid/Base Properties Forms carbonic acid (H2CO3) when dissolved in water, making it weakly acidic
Chemical Formula CO2
Chemical Reactions Can participate in reactions such as carbonation (formation of carbonates/bicarbonates), reaction with bases, etc.
Combustibility Non-combustible
Combustion Products Carbon dioxide and water vapor
Molecular Weight 44.01 g/mol
Oxidizing Properties Not a strong oxidizing agent
Reactivity Relatively inert, non-flammable and non-reactive at room temperature
Solubility Highly soluble in water, forming carbonic acid (H2CO3)
Stability Stable under normal conditions
Toxicity High concentrations can be harmful and cause asphyxiation

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

 

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