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Chemical reactions happen on a molecular level

Physical reactions are concerned with a change in state or energy level, so melting is considered a physical reaction since there is no molecular change just a change in state.

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13y ago

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Related Questions

Is sodium chloride physical or chemical?

This is a chemical reaction, a chemical change.


Is dissoulution of sodium chloride in water a chemical reaction?

It is not a chemical reaction.


What kind of chemical reaction does the chemical equation sodium plus chlorine and rarr sodium chloride represent?

The chemical equation sodium + chlorine -> sodium chloride represents a chemical reaction called a combination or synthesis reaction. In this reaction, two elements (sodium and chlorine) combine to form a single compound (sodium chloride) by bonding together.


What type of chemical reaction occurs when sodium and chloride combine to form sodium chloride?

The reaction that occurs when sodium and chloride combine to form sodium chloride is a chemical synthesis reaction. This reaction involves the combination of two or more substances to form a single compound.


What sign of a chemical reaction does sodium chloride have?

For example the product of the reaction between sodium chloride and silver nitrate is the insoluble silver chloride.


What is the chemical equation of this reaction Solid sodium chloride dissolves in water.?

Sodium chloride is dissociated in water: NaCl---------------------Na+ + Cl-


What is the chemical reaction between sodium chloride (NaCl) and zinc (Zn)?

When sodium chloride (NaCl) reacts with zinc (Zn), the chemical reaction produces zinc chloride (ZnCl2) and releases sodium metal (Na).


What is it called when sodium and chloride interact?

This is a chemical reaction.


What kind of chemical reaction does the chemical equation sodium plus chlorine sodium chloride represent?

The chemical equation sodium + chlorine → sodium chloride represents a combination reaction, where two or more substances combine to form a single product. In this case, sodium and chlorine react to form sodium chloride.


Is the combination of sodium and chlorine to produce sodium chloride is a chemical reaction?

Yes, the combination of sodium and chlorine to produce sodium chloride is a chemical reaction. This reaction involves the rearrangement of atoms to form a new substance with different properties.


Is there a chemical reaction if potassium chloride is mixed with sodium chloride?

No chemical reaction, only a solution containing ions of potassium, sodium and chlorine.


Is iron chloride and sodium hydroxide a physical or chemical change?

The reaction between iron (III) chloride and sodium hydroxide is a chemical change as new substances are formed. Iron (III) hydroxide and sodium chloride are produced as a result of the reaction.