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chemical changes
Yazmin Sawayn
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Is Lightening a match a physical change?
No Physical changes are state changes such as freezing, melting, evaporation, condensation, boiling. Physical changes do not produce "new" substances. Lighting a match would be an example of a chemical change in which the substances on the match, and eventually the wood or paper of the match are chemically altered to produce water, carbon dioxide, and other "new" compounds.
Chemical changes are the processes by which substances?
change into new substances
Changes in which no new kinds of matter are produced is called?
A chemical change. Chemical changes can also be indicated if energy is given off. Physical changes on the other hand do not produce energy or produce new substances.
In physical changes new substances are formed?
No.
Do chemical changes form new substances?
yep.
Changes in which one or more new substances are formed?
A change in which one or more new substances are formed is a chemical change.
Are physical and chemical changes simply reversible and non reversible changes?
Chemical changes create new substances and cannot be reversed.Burning paperLighting a matchMixing sugar and waterPhysical changes do not create new substances and can be reversed.Crushing a canTearing paperChopping wood
In a chemical change how is the new substance different from the original substances?
Because it changes the identity of the old substances
When substances go through chemical changes?
After chemical reactions new substances are obtained.
A change in mater that produce new substances is called?
Chemical change.
The process by which matter actually changes into new substances?
Chemical Change
A change that occurs when one or more substances changes into entirely new substances with different properties?
Chemical Change.
