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When a new substance is produced is it a chemical or physical change?
Wiki User
∙ 13y ago
That's a chemical change because the structure of the atoms are changing. Chemical features can only be viewed through chemical change, by the way.
Wiki User
∙ 13y ago
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When a substance undergoes a phase change what occurs a particle change a chemical change a new substance is formed a physical change?
When a substance changes phase, this is a physical changerather than a chemical change. When water freezes to become ice, or when ice melts to become water, its all physical.
Why physical change can easily be reversed but chemical change cannot?
Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.
Is reacts with acid to form H2 a chemical or physical properties?
Chemical. If a new substance is produced it is a chemical change.
How do you know if a chemical change has occurred versus a physical one?
If a new substance is produced.
When a new substance is produced is it a physical or a chemical change?
That's a chemical change because the structure of the atoms are changing. Chemical features can only be viewed through chemical change, by the way.
Is a new substance is produced a chemical or a physical change?
That's a chemical change because the structure of the atoms are changing. Chemical features can only be viewed through chemical change, by the way.
What is the reason why melting of ice is a physical change?
It's a physical change because no new substance is produced. Liquid water and ice are the same substance with particles arranged differently.
In a physical change some of the physical properties of the substance may be altered and the chemical composition?
No. In a physical change, the substance maintains its chemical composition.
Why physical changes can easily be reversed but why chemical cannot?
Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.
What does not change when a substance changes matter?
During a physical change, the matter of what the substance is made out of doesn't change.
Reacts with acid to form h2 is physical or chemical property?
If a new substance has been produced it must be a chemical change.
Can a substance produced during a physical change easily change back?
Yes. Chemical changes are irreversible, but physical changes can easily be changed back
