When does "always add acid" not apply? [duplicate]
Oct 16, 2023 · I've been taught a LONG time ago to AAA "Always Add Acid". I've recently come across what feels like an exception to that rule when making piranha solution (you add the …
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 justifies the …
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 little, but it …
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 more mobile in …
Why does the Co³⁺/Co²⁺ couple have such a high reduction potential?
Mar 16, 2019 · @AbhigyanC no, that cannot explain anything. If anything, the large CFSE of Co (3+) should the reduction potential (as it stabilises the oxidised form). Anyway, as described in the main …
organic chemistry - Is it possible to reduce a carboxylic acid to an ...
Mar 14, 2025 · When reducing a carboxylic acid, it normally gets reduced to an alcohol with the brief intermediate stage of an aldehyde quickly getting reduced. Is it possible to get an aldehyde from a …
Electrolysis of diluted sulfuric acid - Chemistry Stack Exchange
Jan 3, 2018 · In a dilute solution of sulfuric acid, there are the following species present: $\ce {H_2O}$, $\ce {H^+}$, $\ce {OH^-}$, $ \ce {HSO_4^-}$, $\ce {SO_4^2-}$. Of course, the water molecules are …
Oxidation states of oxygen - Chemistry Stack Exchange
Oct 15, 2016 · The concept of oxidation state simply works on concept of electronegativity.The more electronegative atom acquire a negative charge while less electronegative atom acquire a positive …
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 dsp2 …
Which is really water soluble, amylose or amylopectin？
Oct 31, 2022 · Check quite detailed respective Wikipedia pages, eventually their references. Amylopectin reportedly seams more soluble, being loosely packed with less hydrogen bond linking, …