
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 …
Why is a C4 ring impossible? - Chemistry Stack Exchange
Mar 20, 2023 · A four C ring does exist in many compounds, but it is not possible for double bonds. Cumulated double bonds $\ce {C=C=C}$ must be linear, in 1 line. They can be bent a …
Hybridisation of Tetraammine copper (II) sulphate
Apr 22, 2025 · While studying coordination compounds from my high school textbook I noticed an irregularity in the hybridisation of the above mentioned compound, because it is said to be …
Why is OH- so electrically conductive? - Chemistry Stack Exchange
Jan 10, 2025 · In high school (or mine, at least), we're taught that H+ ions are very conductive, due to their small molar mass, and by Newton's 2nd Law, higher acceleration, making them …
Does dilithium exist? - Chemistry Stack Exchange
Apr 25, 2019 · The dilithium dimer exists- but it isn’t particularly common, and we usually only see it in the gas phase. Essentially, the 2s electrons interact and form a bonding orbital. (s-p …
physical chemistry - What is the precise meaning of "in-phase" …
May 16, 2020 · It is just a different way of calling symmetric (in phase) and asymmetric (out of phase) vibration modes. One may see "in phase" vibrations this way: take in every moment an …
Reaction of Iron with Concentrated and dilute hydrochloric acid
Jul 29, 2016 · 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 …
Why does the Co³⁺/Co²⁺ couple have such a high reduction …
Mar 16, 2019 · @AbhigyanC no, that cannot explain anything. If anything, the large CFSE of Co (3+) should lower the reduction potential (as it stabilises the oxidised form). Anyway, as …
pH electrode with poor calibration slope - Chemistry Stack Exchange
Jan 14, 2025 · I am currently working with two pH electrodes in my lab, and I’ve noticed they are not performing well between pH 7 and 10. Upon further investigation, I found that the issue …
Why isn't water an ionic compound? - Chemistry Stack Exchange
Dec 10, 2014 · If two alkali metal atoms join with an oxygen atom, an ionic bond forms. Since hydrogen has the same number of valence electrons as alkali metals, why can't water be …