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sergejj [24]
3 years ago
15

Why are 99.9% of metals (pure) way more expensive than 95% metals?

Chemistry
2 answers:
irakobra [83]3 years ago
6 0

Answer:

Be cause of The fat

Explanation:

It’s just fat

a_sh-v [17]3 years ago
5 0

Answer:

A pure metal is any metal that has not been joined with any other metal

Explanation:

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Rank the following from lowest to highest anticipated boiling point: C8H18, CH, C16H34,CH4,C4H10
viva [34]
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</span>CH, CH4, C4H10, C8H18, C16H34

Hope this answers the question. Have a nice day.
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3 years ago
Which of the following is not an example of a subatomic particle? electron photon neutron proton
asambeis [7]
I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons
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The mass of an electron is approximately equal to 1 over 1,836 of the mass of 1. a positron 2. a proton 3. an atom of helium 4.
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Can anyone fill in the answers?
Arte-miy333 [17]
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3 years ago
The following chemical reaction takes place in aqueous solution: 2FeBr3 (aq) + 3Na2S (aq) → Fe2S3 (s) + 6NaBr (aq) Write the net
lakkis [162]
A net ionic equation simply means to cancel out any ions which appear on both sides of the chemical equation that are not involved in the reaction - they're called spectator ions. 
We'll first write out the full ionic equation, showing all ions and compounds formed, then rewrite and not include spectator ions.

2FeBr3(aq) + 3Na2S(Aq) --> Fe2S3(s) + 6NaBr(aq)   [original eqation]

2Fe3+(aq) + 6Br-(aq) + 3Na+(aq) + 3S2-(aq)--> Fe2S3(s)+6Na+(aq) + 6Br-(aq)
[full ionic equation]

2Fe3+(aq) + 3S2-(aq)--> Fe2S3(s)   [net ionic equation]

notice that Br- and Na+ appear unreacted on both sides of the full ionic equation, so they cancel out and do not appear in the net ionic.

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5 0
3 years ago
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