
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 …
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 …
How do ions conduct electricity? - Chemistry Stack Exchange
Jun 22, 2020 · I mean to ask what do ions actually do while conducting electricity? Do they simply take up the electrons and transport it? If it is so, I do not understand how anions can take up …
density functional theory - Chemistry Stack Exchange
Feb 5, 2024 · The real question is not about DFT but the validity of the hypothesis that the scattering process is slow compared to the copper atoms' dynamics. DFT assumes the …
How Amorphous solids are converted to Crystalline?
Jun 14, 2022 · The crystal nucleates and grows. The kinetics are slower, of course, but it happens just like it would in a melt. And, generally speaking, the quote from the textbook is, well, wrong …
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 …
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 …
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 …
Electrolysis of diluted sulfuric acid - Chemistry Stack Exchange
Jan 3, 2018 · My teacher told me that electrolysis of dil. $\\ce{H2SO4}$ (concentration below $50\\%$) using inert electrodes results in gradual increase of the concentration of …
Do any molecules contain a phi bond? - Chemistry Stack Exchange
Jul 3, 2024 · A significant experimental hindrance is that, if phi bonds can be made, they almost certainly can only happen for Z > 88 (actinides and heavier elements). This means there are …