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When is a sample of matter considered a pure substance?
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Asked 8/31/2011 5:38:19 PM
Updated 7/13/2015 10:32:31 AM
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User: When is a sample of matter considered a pure substance?

Weegy: Once it has only one element in it, it is pure. (We hope weegy was able to help you today! Have a great one! :)
Expert answered|plain_whyt|Points 2352|

Question|Rated good
Asked 8/31/2011 5:38:19 PM
Updated 7/13/2015 10:32:31 AM
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A sample of matter is considered a pure substance when it consists of only one kind of molecule: e.g. water with nothing else in it.
Added 7/13/2015 10:32:31 AM
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Questions asked by the same visitor
When is a sample of matter considered a pure substance?
Weegy: Objects that take up space and have mass are called matter. Everything around you is made up of matter. Chocolate cake is made up of matter. (More)
Question
Expert Answered
Updated 7/13/2015 10:31:39 AM
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A sample of matter is considered a pure substance when it consists of only one kind of molecule: e.g. water with nothing else in it.
Added 7/13/2015 10:31:39 AM
This answer has been confirmed as correct and helpful.
what are three examples of physical change?
Weegy: At Room Temperature, Iron Is A Solid And Mercury Is A Liquid. ... The Specific Temperature At Which A Substance Changes From A Liquid To A Gas Is An Example Of A Chemical Bond? ... [ ] User: What are three examples of physical change and three examples of chemical change? (More)
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Updated 6/20/2014 8:32:21 AM
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Examples of Physical Changes - crumpling a sheet of paper,melting an ice cube and breaking a bottle.
Examples of Chemical Changes - burning wood,dissolving salt in water and digesting food.
Added 6/20/2014 8:30:04 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [6/20/2014 8:32:19 AM], Rated good by andrewpallarca
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