« first day (2786 days earlier)      last day (1603 days later) » 

7:24 AM
@M.A.R. Thanks
 
8:16 AM
> An atom accidentally bumps into another atom, knocking it down. The first one says, "Are you OK?"
The other replies, "No, I lost an electron!"
"That’s awful! Are you sure?"
"Yeah, I'm positive!"
3
 
 
1 hour later…
9:44 AM
1
Q: Why cobalt reacts favorably with nitrogen?

SSimonI used also Iron, Nickel, Zinc, Copper. However, Cobalts gives the easiest and straight forward yield of nitrides. (XPS and SAED verified). It is so easy to get cobalt nitride that I dont even have to use high purity nitrogen as I need with Fe, Ni, Zn, Cu. is there any reason for that? is it beca...

 
 
1 hour later…
10:56 AM
@Loong gern geschehen Herr Loong
 
 
10 hours later…
9:24 PM
Holy crap what happened here
Userscript glitch probably
I see empty chat
 
 
1 hour later…
10:25 PM
1
Q: What is considered room temperature in Celsius?

suseRecently, I have seen room temperature listed at 20 °C and 25 °C. Which one is more accurate for use in chemistry problems?

 

« first day (2786 days earlier)      last day (1603 days later) »