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Questions tagged [iron]

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-5 votes
0 answers
22 views

I am looking for Iron III sulfate or ferric sulphate inventory data for production process [closed]

I can't find any research paper or article that tells me the inventory data like electricity usage and output information to produce Ferric Sulphate.
4 votes
1 answer
392 views

Cationic vacancies created when non-stoichiometric iron oxide is doped with silicon(IV) ions

Problem It is believed that non-stoichiometric compound $\ce{F_{0.93}O}$ forms by doping of $\ce{Fe^3+}$ ions in $\ce{FeO}$ crystal by replacement of $\ce{Fe^2+}$. Calculate the number of cationic ...
2 votes
0 answers
89 views

Can a diamond dissolve in molten iron?

The melting point of diamond is 4000C and the melting point of iron is 1538C. However, the question is if a diamond is soluble in an iron solvent. Diamond is made up of carbons. And I know steel is ...
-1 votes
0 answers
66 views

Does iron submerged in water rust? [duplicate]

I understand that iron rusts if left in air for prolonged periods of time. In a discussion, I was challenged that iron never rusts if completely submerged in water, as it needs oxygen. I asked for the ...
0 votes
0 answers
32 views

Why is a basic (not acidic) electrolyte frequently suggested for electrolytic de-rusting of metal or iron objects?

For home or do-it-yourself electrolytic de-rusting of steel or iron objects, the use of a soda-based electrolyte, such as "washing soda" (sodium carbonate) is almost always mentioned. I have ...
2 votes
0 answers
36 views

Is there any method to make sure a electroplated layer of iron oxidizes into magnetite (Fe3O4) instead of hematite (Fe2O3)?

I am currently electroplating iron on copper using a DIY setup in my lab. Steel sheet as anode with electrolyte having 5% acetic acid with sodium carbonate to form sodium acetate and added some NaCl ...
0 votes
0 answers
24 views

Proper batch adsorption mechanism for heavy metals

I'm a college student with scope on environmental science, specifically the adsorption of heavy metals in aquatic media. Currently, I suffered from serious issue of batch adsorption mechanism, which ...
-1 votes
2 answers
707 views

Why iron reacts with steam to give Fe3O4 not Fe2O3? [duplicate]

Why $\ce{Fe}$ with $\ce{H2O}$ gives $\ce{Fe3O4}$ not $\ce{Fe2O3}$? Like, $\ce{Zn + H2O \rightarrow ZnO + H2}$, why $\ce{Fe}$ doesn't simply gives $\ce{Fe2O3}$ when it reacts with steam?
2 votes
0 answers
43 views

Source(s) of extreme Raman scattering of FeOOH under intense laser excitation?

RRUFF's Raman spectrum of FeO(OH) as Goethite: Bears no apparent similarity to the extreme Raman scattering of this sample of purported FeOOH under 785nm laser excitation with 100x objective that ...
12 votes
3 answers
2k views

How can steel be so different from iron, even if amount of carbon is small?

Perhaps I am too naive, but I am having a hard time visualizing how even 'high-carbon' iron and steel alloys are maybe, at most, about four percent carbon by mass, which still means only one (smaller) ...
-2 votes
3 answers
817 views

Why do we have to prevent the hydrolysis of iron(III) nitrate?

I want to make particular concentration of ferric ions from $\ce{Fe(NO3)3.9H2O}$, and then I found this video It says that we have to add nitric acid to prevent iron from hydrolysis, what does it mean?...
3 votes
0 answers
59 views

Is aqua-meth-myoglobin (Fe3+) paramagnetic?

Is aqua-meth-myoglobin (Fe3+) paramagnetic? In this case, the iron has all 6 coordination positions occupied by ligands: 4 nitrogen atoms from the pyrrolic rings that compose the porphyrin, 1 ...
2 votes
1 answer
87 views

Reaction between iron oxide and metallic zinc or aluminum at 500C

High temperature corrosion of iron occurs on passenger automobiles in areas such as exhaust headers, pipes and bolts that reach temperatures of about 500°C. The iron is in the form of steel or ...
2 votes
2 answers
413 views

How is there still iron on earth? [closed]

Iron rusts and the earth is pretty old, so how is it that there is still iron left that has not oxidized(/rusted)? I tried looking it up, and the amount of iron on earth is mind boggling, but is that ...
2 votes
0 answers
58 views

Which is a better poison to the Haber's process, $\ce{CO}$ or $\ce{H2S}$? [closed]

I am studying about catalysts and their promoters and poisons and came across two of the possible poisons for Fe used during Haber's process and wanted to compare their effect on the rates of reaction....

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