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 …
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 …
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 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 …
enthalpy - How is the reason for “why neutralizing weack acids …
Mar 30, 2023 · How is the reason for “why neutralizing weack acids with strong bases gives less heat” that the heat is used in ionizing the acid?
organic chemistry - Comparing stability of carbon free radicals ...
Feb 11, 2025 · The following question was asked in a JEE Adv paper a few years back: Arrange the following carbon free radicals in decreasing order of their stability I solved the order of their …
Does hydrogen bonding only occur between water molecules?
Oct 2, 2015 · A quick check of Wikipedia reveals: "A hydrogen bond is the electrostatic attraction between polar molecules that occurs when a hydrogen (H) atom bound to a highly …
Why is the combustion of Nitrogen endothermic? [closed]
Dec 12, 2018 · Other combustion reactions are exothermic but this combustion reaction endothermic. Why ? Please explain..
physical chemistry - London forces and van der Waals interactions ...
Jun 28, 2024 · van der Waals (vdW) forces is an umbrella term for 3 (main) types of intermolecular forces: London dispersion forces (dispersion forces), which arise from …