Ethanol
Water freezes on a very cold night. Ethanol stays liquid.
Read each use of ethanol. Tap the property it needs.
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The rule
Ethanol is a two-carbon chain with –OH. It dissolves many things, burns well, and stays liquid in the cold. Each property earns a use.
Ethanol is C₂H₅OH, a clear liquid at room temperature. This lesson studies ethanol only as a chemical. Drinking alcohol harms the body.
| Property | The use it earns |
|---|---|
| Dissolves many things, and mixes with water in any amount | Medicines and tinctures. Tincture of iodine is iodine in ethanol. |
| Burns | A fuel. It can be mixed with petrol. |
| Stays liquid far below 0 °C | A liquid that does not freeze in cold weather. |
Ethanol boils near 78 °C. It freezes below −100 °C.
Water freezes at 0 °C.