Which liquid will freeze first oil or water?

Answer 1

The first liquid that will freeze will be the Cold Water. The Hot Water will have to lose its heat, while the oil, vinegar and milk are saturated water solutions. That means they will freeze at a lower temperature than plain water.

Answer 2

• Tap water freezes first, at 32°F (0°C). Hard water freezes a bit lower, at around 31°F (-0.5°C).

• Vinegar (which is a solution of 5% acetic acid, already mixed with water) freezes next, at roughly 28°F (-2°C).

• Then comes sugar water: a 20% solution freezes at 26-27°F (about -3°C). A saturated solution might have an even lower freezing point.

• For completeness, a saturated solution of salt waterfreezes at the incredible temperature of -6°F (-21°C)!

• Oil doesn't mix with water, and usually has a lower freezing point. So the water underneath should still freeze at 32°F (0°C), leaving the oil on top still liquid (though probably much thicker than at room temperature).

Answer 3

For this you need to know the molecular structure of oil and vinegar. Oil is a long hydrocarbon chain and vinegar is basically ethanoic acid.

Long hydrocarbon chains can form VDW interactions with each other. The longer the chain, the higher the melting temperature (so the higher the freezing temperature).

In ethanoic acid, only 2 carbons are availible so not so strong VDWs interactions, there is some hydrogen bonding however in this case, the intermolecular forces between the hydrocarbon chains of oil is far greater than the hydrogen bonding in ethanoic acid. Therefore, oil will freeze the fastest.

Answer 4

Due to strong hydrogen bondings water freezes first.

Answer 5

The fastest known item on your list to freeze is, by my understanding, water.

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