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The self-ionization of water (also autoionization of water, autoprotolysis of water, autodissociation of water, or simply dissociation of water) is an ionization reaction in pure water or in an aqueous solution, in which a water molecule, H 2 O, deprotonates (loses the nucleus of one of its hydrogen atoms) to become a hydroxide ion, OH −.
A common kind of hydrolysis occurs when a salt of a weak acid or weak base (or both) is dissolved in water. Water spontaneously ionizes into hydroxide anions and hydronium cations. The salt also dissociates into its constituent anions and cations. For example, sodium acetate dissociates in water into sodium and acetate ions.
As an example, the molecules of table sugar dissociate in water (sugar is dissolved) but exist as intact neutral entities. Another subtle event is the dissociation of sodium chloride (table salt) into sodium and chlorine ions. Although it may seem as a case of ionization, in reality the ions already exist within the crystal lattice.
Water is found in many foods and has been defined as food by itself. [6] Water and fiber have low energy densities, or calories , while fat is the most energy-dense component. [ 3 ] Some inorganic (non-food) elements are also essential for plant and animal functioning.
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Primary nutritional groups are groups of organisms, divided in relation to the nutrition mode according to the sources of energy and carbon, needed for living, growth and reproduction. The sources of energy can be light or chemical compounds; the sources of carbon can be of organic or inorganic origin. [1]
These high-fiber lunch recipes, like chicken sandwiches and mason jar salads, have no more than five ingredients and take 10 minutes or less to make. 21 10-Minute, High-Fiber Lunches With 5 ...
These high-fiber foods are delicious and expert-approved. Incorporate these picks into your diet for a hefty dose the many benefits fiber promises. 20 expert-approved high-fiber foods to keep you ...