" Polar solvents are effective at dissolving other polar substances because they can interact favorably through dipole-dipole forces or hydrogen bonding. The Principle of "Like Dissolves Like" The foundational rule governing solubility is "like dissolves like.
Understanding Polarity: The Key to Why Oil and Water Don't Mix
Emulsifier Common Source Primary Use Lecithin Soybeans, egg yolks Food processing, chocolate Casein Milk Food products, adhesives Sodium Bicarbonate Baking soda Baking, fire extinguishers. An emulsion is a suspension of one liquid within another.
Understanding Polarity: The Root of the Divide To understand why oil and water don't mix, you must first understand polarity. This process, while it occurs, is energetically unfavorable because it disrupts the strong hydrogen bonds in the water for a weak interaction.
Understanding Polarity: The Key to Why Oil and Water Don't Mix
Water is a classic example of a polar molecule; its structure is bent, creating a distinct positive charge on the hydrogen atoms and a negative charge on the oxygen atom. The polar water molecules prefer to interact with other polar water molecules rather than disrupt their stable hydrogen-bonded network to accommodate the non-polar oil molecules.
More About Why don't oil and water mix
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