When is a sample of matter considered a pure substance?

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Asked 8/31/2011 5:08:29 PM

Updated 7/13/2015 10:31:39 AM

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Edited by Janet17 [7/13/2015 10:29:27 AM], Flagged by Janet17 [7/13/2015 10:30:01 AM]

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User: 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.
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Asked 8/31/2011 5:08:29 PM

Updated 7/13/2015 10:31:39 AM

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Edited by Janet17 [7/13/2015 10:29:27 AM], Flagged by Janet17 [7/13/2015 10:30:01 AM]

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Janet17

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

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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! :) (More)

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Updated 7/13/2015 10:32:31 AM

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Janet17

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

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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imYoung

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

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Confirmed by andrewpallarca [6/20/2014 8:32:19 AM], Rated good by andrewpallarca