What are the maximum number of electrons in each shell?
Feb 20, 2014 · The first shell can carry up to two electrons, the second shell can carry up to eight electrons. The third shell can carry up 18 electrons, but it is more stable by carrying only eight …
Why is a C4 ring impossible? - Chemistry Stack Exchange
Mar 22, 2023 · I was in my university's chemistry department, and a passing biochemist said that such a molecule was impossible, but they couldn't explain why.
Why does liquid water form when we exhale on a mirror?
Mar 11, 2019 · In the descriptions below, I always assume external pressure to be constant at 1 atm, the condition where daily observations are made. 1) When I exhale on a mirror, liquid …
The Solubility of Tyrosine - Chemistry Stack Exchange
Jul 11, 2020 · I find very little data on the solubility of tyrosine, other than that it has a very low solubility at room temperature for an AA. (1) Does anyone know different ways to dissolve fair …
Why does my sea salt have a best by date? [duplicate]
Apr 3, 2022 · @Farooq: As the link in this answer shows, culinary “sea salt” certainly can contain anti-caking agents. And as the answer explains, the (potential very slight) deterioration that …
redox - Half equations for H2O2 for its reducing and oxidising …
May 1, 2014 · Is there a complete list of all the half equations for $\\ce{H2O2}$ - both oxidation and reduction, in acidic and alkaline conditions? I've looked on the internet but can't seem to …
Is the chemical structure of an amide bond (-CONH) or (-CONH2)?
Apr 9, 2016 · The Dictionary definition of an amide is an organic compound obtained by replacing the −OH group in acids by the −NH 2 group. So from this, I deduced that the bond would be …
Finding unknown concentration using HPLC standard curve
Feb 12, 2023 · HPLC sample peak areas are usually compared with standard and end standard peak areas to give a percent of unknown analyte concentration to Standard concentration. …
What metals aren't dissolved in/attacked by aqua regia?
Jan 27, 2017 · Aqua regia (Latin: Royal Water) is one of the strongest acids known in Chemistry, and is capable of dissolving gold and platinum. My copy of the Oxford science dictionary goes …
Calculate the pH of acetic acid for a 0.02 M solution
Jul 24, 2014 · Yes, but the ICE table should initially be setup as Ben did it. Then make the assumption that $0.02-x \approx 0.02$. The 5% criteria seems to have been pulled from thin …