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What is a group of atoms that remain together in a chemical change acting as if they were an atom?
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When ice melts why can you tell there is not a chemical change?
Melting is not a chemical change because the chemical formula of water remain unchanged.
What properties of the water won't change?
The chemical formula remain unchanged.
When a physical change in a sample occurs which does not change?
Substance in the material Remain the same
Is dissolution of resin in alcohol a chemical change or a physical change?
Dissolution is a physical change because the molecule remain unchanged.
What happens after physical and chemical changes have occurred?
The substance will remain in its current state unless acted upon in such a way as to cause a physical or chemical change.
Why is a lava lamp not a chemical change?
The chemical structures remain unchanged.
When is a phase change and when is it a sign of a chemical change?
After a physical change the molecule remain intact.After a chemical change the molecule is modified.
What is cutting up an old rag a physical change or chemical change?
It is not a chemical change because after cutting the chemical composition remain unchanged.
When ice melts why can you tell there is not a chemical change?
Melting is not a chemical change because the chemical formula of water remain unchanged.
Is mixing milk with water a chemical change?
A chemical change is any type of change that results in the formation of new chemical substances. When cheese is made with milk it is a chemical change.
What will happen if there is no physical and chemical change?
The system remain unchanged.
What is the relation between a physical and a chemical change?
A chemical change involve the molecular modification of reactants.After a physical change the molecule remain unchanged.
How do you know stirring salt in water is not chemical change?
The chemical nature of the molecules remain unchanged.
What r the 2 differentces of a physical and chemical change?
A chemical change involve the molecular modification of reactants.After a physical change the molecule remain unchanged.
Is it a chemical reaction when a substance changes its form?
The change of form in not a chemical process; it is only a physical change, the molecules remain unchanged.
Is squeezing a lemon a physical or chemical change?
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??
What properties of the water won't change?
The chemical formula remain unchanged.
