what is the chemical reaction of salt and water?
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Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution.
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Sea salt is made by evaporating seawater. Like table salt, it is mostly just sodium chloride. However, depending on its source and how it was processed, it usually contains various trace minerals like potassium, iron and zinc. The darker the sea salt, the higher its concentration of impurities and trace nutrients.
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Salt (sodium chloride) is made from positive sodium ions bonded to negative chloride ions. Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions.
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When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an energy change as new products are generated. An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.
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Reactions with metal oxides A salt and water are produced when acids react with metal oxides . Metal oxides are bases , because they neutralise acids.
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Hydrochloric acid reacts with sodium hydroxide to form sodium chloride (the salt) and water. Sodium chloride is made up of Na+ cations from the base (NaOH) and Cl- anions from the acid (HCl). HCl+NaOH→H2O+NaCl.
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For exanple, sodium hydroxide reacts with zinc and water to form sodium zincate and hydrogen gas. Zn(s)+2NaOH(aq)+2H2O(l)→Na2Zn(OH)4(aq)+H2(g).
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A precipitation reaction refers to the formation of an insoluble salt when two solutions containing soluble salts are combined. The insoluble salt that falls out of solution is known as the precipitate, hence the reaction's name. Precipitation reactions can help determine the presence of various ions in solution.
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Salt solution, brine, saline, sea water. Are several expressions used to describe salt dissolved in water some generally some in specific circumstances. In general terms. Water is the solvent, salt is the solute together the two make a solution.
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All salt is sodium chloride, and it all comes from the sea. All salt is sodium chloride (NaCl), and it all comes from seawater — even table salt.
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An acid-base reaction is a neutralisation reaction in which the hydrogen and oxygen atoms within the acid and base yields water, while the other reactants form a salt. This means that they don't displace each other, but rather forms a new compound.
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Salt water and saline are both water with salts dissolved in them. In medical (normal) Saline Solution there is 9g of Sodium Chloride per litre although other concentrations are available. ... Salty water can be a mixture of several different salts (as sea water for instance) but is predominantly Sodium Chloride.
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Why Dissolving Salt Is a Chemical Change Therefore, dissolving salt in water is a chemical change. ... When sugar is dissolved, the molecules disperse throughout the water, but they do not change their chemical identity.
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For example salt dissolving in water is usually considered to be a physical change, however the chemical species in salt solution (hydrated sodium and chlorine ions) are different from the species in solid salt.
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Salt is water soluble, while sand is not. This means the two can be mixed in water and stirred. The salt will dissolve and the sand will not. These differences form the basis for separation of the three materials.
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Sea water is a weak, but complex solution made up of many things including mineral salts and decayed biologic matter from marine organisms. Most of the ocean's salts are derived from gradual processes, such as weathering and erosion of the earth's crust and mountains by the dissolving action of rains and streams.
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Seawater is a mixture of many different substances. Some of these substances can be observed when the water in seawater evaporates and leaves behind salt. Water, H2O, is a pure substance, a compound made of hydrogen and oxygen.