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Physical (not chemical) changes
NaCl(s) → Na+(aq) + Cl-(aq)
Added:
These are NOT chemical changes. In solid NaCl there are already Na+ and Cl- ions present in the (fully ionic)crystallic matrix. These ions are only separated by the water molecules. This is exactly what is called: 'dissolving'
What else can I help you with?
Is dissolving in water physical or chemical?
Dissolving in water is a physical change because it only involves the separation of molecules within a substance without changing their chemical composition.
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Dissolving in water is a physical change.
Is dissolving sugar into water a chemical or a physical change?
It is a physical change.
Is dissolving common salt in water physical or chemical change?
Dissolving is a physical process.
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Dissolving sugar in hot water is a chemical change.
Is dissolving in water a chemical change?
Dissolving in water is a physical change.
Is cofee dissolving in water a physical or chemical change?
It is a physical change.
Is dissolving in water physical or chemical?
Dissolving in water is a physical change because it only involves the separation of molecules within a substance without changing their chemical composition.
Is dissolving oxygen gas and water a physical change or chemical change?
Dissolving in water is a physical change.
Is dissolving sugar into water a chemical or a physical change?
It is a physical change.
Is dissolving sodium carbonate a chemical change?
Dissolving sodium carbonate in water is a physical change, not a chemical change. This is because the chemical composition of sodium carbonate remains the same before and after dissolving.
Is dissolving common salt in water physical or chemical change?
Dissolving is a physical process.
Is dissolving suger in hot water a chemical or physical?
Dissolving sugar in hot water is a chemical change.
Is combining water and salt physical or chemical change?
Dissolving in water is a physical change.
Suger dissloves in water a physical or chemical change?
Dissolving in water is a physical change.
Salt dissoved in water physical or chemical change?
Dissolving in water is a physical change.
Is suger dissoving in water a physical or chemical change?
Dissolving is a physical change.
