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Is dissolving sodium chloride a chemical or physical change?
Dissolving sodium chloride in water is a physical change because the chemical composition of sodium chloride remains the same. The sodium and chloride ions are simply dispersed throughout the water, but they can still be recovered by evaporating the water.
Is dissolving sodium chloride in water a physical or chemical charge?
Dissolving sodium chloride (table salt) in water is a physical change. When sodium chloride dissolves, it dissociates into its constituent ions (sodium and chloride) but retains its chemical identity. The process is reversible; the salt can be recovered by evaporating the water, demonstrating that no new substances are formed.
Is the dissolving of sodium chloride in water endothermic or exothermic reaction?
The dissolving of sodium chloride in water is an exothermic reaction because it releases energy in the form of heat.
Describe a way to remove sodium chloride?
Sodium chloride can be removed from solution by distillation. Boiling a solution of sodium chloride will cause the water to boil off and the sodium chloride to be left behind. If the water vapor is then condensed, the water obtained will be free of sodium chloride.
Is salt dissolving in water a chemical change or a physical change?
This is a physical process, but sodium and chloride ions ar formed.
Is dissolving salt in water a chemical change or physical change?
This is a physical process, but sodium and chloride ions ar formed.
Is halite in rocks dissolving in water mechanical or chemical?
Halite dissolving in water is a chemical process. When halite (sodium chloride) comes into contact with water, it dissociates into its constituent ions (sodium and chloride) through a chemical reaction. This process alters the chemical composition of the halite, distinguishing it from mechanical processes, which do not change the chemical structure of materials.
Where is salt water made?
Salt water is obtained by dissolving sodium chloride in water.
What is the equation of sodium cholride dissolving in water?
Sodium chloride disassociates in water to produce Na+ and Cl - ions.NaCl + H2O = Na+ aq and Cl- aq.
What is the chemical equation of this reaction Solid sodium chloride dissolves in water.?
Sodium chloride is dissociated in water: NaCl---------------------Na+ + Cl-
The kind of attractions that result in the dissolving of sodium chloride in water are?
Attractions that result in the dissolving of sodium chloride in water are ion-dipole interactions. The polar water molecules surround and interact with the positive sodium ions and negative chloride ions, causing them to separate and disperse in the water. This process is driven by the strong electrostatic forces between the ions and the polar water molecules.
Can water and sodium chloride bond?
No. Sodium chloride in water dissolves into its individual Na+ ions and Cl- ions due to the polarity of the water molecule. This is not a bonding between water and sodium chloride. In fact there is no chemical reaction at all taking place. The dissolving of the sodium and chloride ions by water is a physical change, and can be reversed by letting the water evaporate.
