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Is potassium cloride dissolving in water a chemical change?
Potassium metal does not dissolve in water, it is so reactive that it rips water molecules apart releasing hydrogen gas and combining with the remaining hydroxyl group to form potassium hydroxide (potash lye) which then dissolves in the water. This chemical reaction releases so much heat that it ignites the hydrogen gas that was emitted which produces water vapor/steam and a light purple flame (caused by excited potassium ions).
Is mixing salt and water chemical?
Mixing salt and water is a physical change, not a chemical change. The salt does not change its chemical composition when it dissolves in water, only its physical state.
Is calcium chloride melting the ice a chemical or physical change?
Melting ice with calcium chloride is a physical change because the ice undergoes a phase transition from a solid to a liquid without changing its chemical composition.
Is mixing sodium chloride and water a chemical or physical change?
Mixing sodium chloride and water is a physical change. The chemical composition of the sodium chloride (NaCl) remains the same in the solution, the sodium chloride molecules are simply dispersed in the water. The change is reversible and does not involve a chemical reaction.
Is adding calcium chloride to sodium carbonate a physical change or a chemical change?
Adding calcium chloride to sodium carbonate would be a chemical change because it results in the formation of new substances (calcium carbonate and sodium chloride) with different chemical properties than the original reactants.
When salt dissolves in water it is a chemical change or physical change?
Physical
What kind of changes occurs when sodium chloride dissolves?
chemical change
Is potassium cloride dissolving in water a chemical change?
Potassium metal does not dissolve in water, it is so reactive that it rips water molecules apart releasing hydrogen gas and combining with the remaining hydroxyl group to form potassium hydroxide (potash lye) which then dissolves in the water. This chemical reaction releases so much heat that it ignites the hydrogen gas that was emitted which produces water vapor/steam and a light purple flame (caused by excited potassium ions).
If it dissolves in water is it chemical or physical?
pyhsical change
Is it a physical change chemical change when salt dissolves in water?
Physical
If sugar dissolves into hot milk is it a physical change?
no it is a chemical change
Is sublimation of sodium chloride chemical or physical change?
Sublimation is a physical change.
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.
When salt dissolves in water its a physical of chemical change?
Dissolution is a physical process.
When a molecule dissolves by ionization is that a physical or chemical change?
Dissolution is a physical process.
If sugar dissolves in water is that a physical or chemical change?
Dissolution is a physical process.
Dissolution of hydrogen chloride gas in water is a physical change or chemical change?
It is a chemical change ....
