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Is dissolving common salt in water physical or chemical change?
Dissolving is a physical process.
Is water boiling sugar dissolving or nails rusting a chemical reaction?
Water boiling is a physical process; also dissolving. Rusting is a chemical process (oxidation).
What is the name of the process of salt dissolving in water?
Solubility
Is the reaction of magnesium sulfate and water exothermic or endothermic?
It is not a chemical reaction, it is dissolution; this physical process is exothermic.
What compound do all living things need for dissolving of chemical substances?
Water
Is NaCl an exothermic or endothermic reaction?
Only with very high heat. This compound can melt without decomposition.
Is ethanol dissolving in water an exothermic reaction?
YesThe mixing of ethanol with water is an exothermic phenomenon.
A list of examples of exothermic?
Dissolving magnesium chloride & calcium chloride in water is exothermic reaction
Is hydrochloric acid dissolving in water an exothermic reaction?
Yes.
Is the dissolving of sodium thiosulfate in water endothermic or exothermic reaction?
H2O + Na2SO4 = Exothermic reaction
What is the term for the process of an ionic compound dissolving in water and separating into positive and negative ions?
dissociation
Is the dissolving of sodium chloride in water endothermic or exothermic reaction?
It is small, but overall endothermic.
Is an ionic compound exothermic?
A compound is never exothermic. Its reaction with some other substance is endothermic or exothermic like when calcium oxide reacts with water large amount of heat is evolved.
Is dissolving common salt in water physical or chemical change?
Dissolving is a physical process.
Is the formation of water endothermic or exothermic?
The process is endothermic because the water is absorbing heat from the kettle. When energy (heat) is released as steam this is exothermic.
Is ammonium chloride is an exothermic?
an exothermic what? If you dissolve it in water, it's an endothermic process, and will absorb heat.
Is water boiling sugar dissolving or nails rusting a chemical reaction?
Water boiling is a physical process; also dissolving. Rusting is a chemical process (oxidation).
