When you hear "ethyl alcohol" (or ethanol), your mind probably jumps to one of two places: a stiff glass of whiskey or the sterile sting of hand sanitizer. But hidden within this simple molecule—C₂H₅OH—lies a physical property that dictates everything from the price of your vodka to the safety of space travel: density.
At first glance, the number seems trivial. The density of pure (anhydrous) ethyl alcohol at room temperature (20°C / 68°F) is approximately . But don't let the "0.789" fool you. This tiny decimal point is a chemical rebel, and its behavior tells a fascinating story. The Rebel Who Floats Let’s start with the most obvious magic trick: density is why your "heavy" rocks sink and your "light" cork floats. Water has a density of 1.00 g/cm³. Ethanol, at 0.789, is significantly lighter. alcohol etílico densidad
The density of ethyl alcohol isn't just a number on a safety data sheet. It is the physics behind the pleasure, the science behind the safety, and the reason your ice cubes sink in a glass of Coke but almost float in a glass of Everclear. When you hear "ethyl alcohol" (or ethanol), your
You get roughly 960 ml.
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