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  1. 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. 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 …

  6. 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 …

  7. Silver recovery from sodium hydroxide solution

    Dec 18, 2022 · I have washed graphic film with sodium hydroxide solution removing the silver emulsion. Is there any way to now recover the silver from solution?

  8. Wittig reaction in presence of carboxylic acids

    Sep 21, 2020 · The following reaction came in a recent test: According to this reaction, the acidic hydrogen would protonate the ylide, and the standard wittig reaction would not take place. This …

  9. 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, …

  10. 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 seems to be …