Dry ice have chemical formula known as CO2.
Physical Properties of Dry Ice:
| Properties |
Details |
| Appearance |
Solid white or colorless blocks or pellets |
| Boiling Point |
-78.5°C (-109.3°F) |
| Conductivity |
Poor conductor of heat and electricity |
| Density |
1.56 g/cm³ (solid) |
| Melting Point |
-78.5°C (-109.3°F) |
| Odor |
No distinctive odor |
| Solubility |
Insoluble in water |
| State |
Solid at standard temperature and pressure |
| Sublimation Point |
-78.5°C (-109.3°F) |
| Vapor Pressure |
1 atm at -78.5°C (-109.3°F) |
Chemical Properties of Dry Ice:
| Properties |
Details |
| Acid/Base Properties |
Acidic when dissolved in water, forms carbonic acid (H2CO3) |
| Chemical Formula |
CO2 (carbon dioxide) |
| Flammability |
Non-flammable |
| pH |
Slightly acidic when dissolved in water |
| Reaction with Metals |
Does not react with most metals |
| Reaction with Water |
Sublimes directly to gas when exposed to water |
| Reactivity |
Non-reactive with most common substances |
| Toxicity |
Non-toxic in small quantities, can cause asphyxiation in high concentrations |
Reactions of dry ice with Alkali Metal
| Alkali Metal |
Reaction with Dry Ice (CO2) |
| Lithium (Li) |
no product formed among dry ice and lithium metal. |
| Sodium (Na) |
Sodium metal counters with dry ice and resulting product → sodium carbonate (Na2CO3). |
| Potassium (K) |
Potassium metal counters with dry ice and resulting product → potassium carbonate (K2CO3). |
| Rubidium (Rb) |
Rubidium metal counters with dry ice and resulting product → rubidium carbonate (Rb2CO3). |
| Cesium (Cs) |
Cesium metal counters with dry ice and resulting product → cesium carbonate (Cs2CO3). |
| Francium (Fr) |
No reaction |
Reactions of dry ice with Alkaline Earth Metal
| Alkaline Earth Metal |
Reaction with Dry Ice (CO2) |
| Beryllium (Be) |
no product formed among dry ice and beryllium metal. |
| Magnesium (Mg) |
no product formed among dry ice and magnesium metal. |
| Calcium (Ca) |
no product formed among dry ice and calcium metal. |
| Strontium (Sr) |
no product formed among dry ice and strontium metal. |
| Barium (Ba) |
no product formed among dry ice and barium metal. |
| Radium (Ra) |
no product formed among dry ice and radium metal. |
Reactions of dry ice with Transition Metal
| Transition Metal |
Reaction with Dry Ice (CO2) |
| Iron (Fe) |
Fe + 2CO2 react and convert into FeO + 2CO |
| Copper (Cu) |
2Cu + CO2 react and convert into 2CuO + C |
| Nickel (Ni) |
no product formed among dry ice and nickel metal. |
| Silver (Ag) |
4Ag + 3CO2 react and convert into 2Ag2O + 2CO + C |
| Gold (Au) |
no product formed among dry ice and gold metal. |
| Zinc (Zn) |
no product formed among dry ice and zinc metal |
Reactions of dry ice with Non-Transition Metal
| Non-Transition Metal |
Reaction with Dry Ice (CO2) |
| Hydrogen (H) |
no product formed among dry ice and hydrogen gas. |
| Aluminum (Al) |
no product formed among dry ice and aluminum metal. |
| Gallium (Ga) |
no product formed among dry ice and gallium metal. |
| Silicon (Si) |
no product formed among dry ice and silicon. |
| Phosphorus (P) |
no product formed among dry ice and phosphorus. |
| Sulfur (S) |
no product formed among dry ice and sulfur. |
| Chlorine (Cl) |
no product formed among dry ice and chlorine gas. |
| Bromine (Br) |
no product formed among dry ice and bromine liquid. |
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