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-Irreversible
-Gas is produced
-A Precipitate (solid leftover) is formed
-Energy (light, heat, etc..) is given off
-A change in colour
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∙ 14y ago
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Atoms of different elements unite during chemical changes to produce what?
Atoms of different elements unite during chemical changes to produce at least one chemical compound.
When a substance changes into a different substance a changes has occurred?
Chemical Change.
What are 3 chemical changes?
Its so dumb why answer it
When a substance changes into a new or different substances with different properties?
This is a chemical change, also known as a chemical reaction.
Is always obvious when a substance undergoes a chemical changes yes or no?
chemical changes form to completely different things so yes
When a substance changes into a different substance a what has occurred?
Chemical change.
When a substance changes into a different substance what has occurred?
Chemical change.
What is it called when a substance changes into a different substance?
Chemical change.
How are machanical and chemical weathering different?
Mechanical weathering is a process which physically changes the appearance of a rock or structure. Chemical weathering is a process which changes the chemical composition of a rock or structure.
Different between physical and chemical change?
In a physical change the object changes appearance but in a chemical change the object turns into something different with different properties.
Do chemical changes and chemical reactions differ?
No. They are just two different terms that mean the same thing.
What change resulting to new material that is entirely different from the reactants?
These chemical changes are the consequence of a chemical reaction.
