2015年11月9日 · $\begingroup$ Nickel-62, Iron-58 and Iron-56 are the most tightly bound nuclei, but Iron-56 is the most stable nucleus. The stability of Iron-56 results from the fact that an Iron-56 nucleus has a diameter about equal to the range of the nuclear force. In an Iron-56 nucleus every nucleon is attracting every other nucleon. $\endgroup$ –

Now, iron has stable oxidation states +2 and +3. Nitrosyl, as a ligand, comes in many flavours, of which a negatively charged nitrosyl is one. I see no reason why the iron doesn't spontaneously oxidise to +3 and reduce the $\ce{NO}$ to −1 to gain stability. But I don't know how to analyse this situation anyway.

2015年6月18日 · Now you should ask yourself the question: How many nitrate ions are in one formula unit of iron (III) nitrate? There are three $\ce{NO3^-}$ per every $\ce{Fe(NO3)3}$. What does that mean for the number of moles of nitrate ions?

2018年9月14日 · Thus in your first example (iron reacting with chlorine gas), you take metallic Fe, whose oxidation half-reaction can be written as $$\ce{Fe^0 -> Fe^3+ + 3e-}$$ The equivalent for reduction of chlorine would be $$\ce{2e- + Cl2_{(g)} -> 2Cl-}$$ Normalizing half reactions to electrons transferred ($6$), adding and simplifying stoichiometry gives

2016年7月29日 · Does Iron react differently with dilute and concentrated hydrochloric acid? A. I know that with dilute hydrochloric acid Iron (II) chloride is formed. B. I read on the internet that with concentrated hydrochloric acid Iron reacts to form Iron (III) Chloride. Could someone tell me: 1. Is FeCl3 formed as a product of reaction between HCl (conc ...

2018年7月8日 · In terms of stellar production much more iron than nickel is produced. The iron produced in stars is about about 92 % iron-56. Nickel is only about 3.6% Nickel-62. I'd guess that the plot is a "best fit line." Here is a different plot showing more detail. You can see that not all isotopes fall on "the line."

2021年4月3日 · One little problem: iron powder is readily available, and I even used to have two 5 pound bottles of it. But high purity iron is a bit harder to find. We used small pieces of high purity iron wire: just drop a clean piece in the solution. $\endgroup$ –

2016年10月4日 · For example, for $\alpha$-iron, the diffraction pattern is ... 31.6k 1 1 gold badge 58 58 silver badges 90 ...

2015年8月8日 · The sulphate ions will be solvated by hydrogen bonding with the water and the iron ions will form the hexaaquairon(III) complex, $\ce{[Fe(H2O)6]^{3+}}$. As @Mithoron mentioned, the $\ce{Fe^{3+}}$ ions cannot easily be further oxidised so no …

2022年8月4日 · However, if the steel is of low quality and improperly melted etc nickel domains in the steel can be cathodic and hasten pitting corrosion of the iron and chromium. Workmanship is probably more important than 8 or10% nickel. For cooking acidic foods I use a well-seasoned cast iron saucepan [it does react a bit] or a Teflon coated saucepan.