Answer:
the first and second one are both already balanced but the third one is
Caco3->Cao+Co2
Air is a poor conductor of sound.
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The carbon atoms that will be
in the longest chain of 2, 2, 4 – trimethyl pentane is 5. There are 5 carbons
in the longest chain that forms a cross.
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Answer:
Coal is not classified as a mineral because it comes from organic materials.
Explanation:
Minerals are naturally-formed substances that have a specific chemical makeup. They are created when elements combine. Minerals are <u>non-organic</u> and most have a set crystalline structure. Examples of minerals include diamond, azurite, beryl, and pyrite.
