As water freezes, hydrogen bonds form releasing heat. As ice melts, hydrogen bonds break absorbing heat. A liquid that is a homogenous mixture of two or more substances. Substance dissolved in a solution. Solution in which water is the solvent.
Water is a versatile solvent owing to the polarity of the water molecule.
Ionic compounds dissolve in water. Polar compounds in general, are water-soluble. Hydrophilic and Hydrophobic Substances Ionic and polar substances are hydrophilic , but nonpolar compounds are hydrophobic . Some large hydrophilic molecules can absorb water without dissolving. Property of not having an affinity for water, and thus not being water-soluble.