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teaching:stackexchange-chimie [2021/11/12 09:55] villersdteaching:stackexchange-chimie [2023/06/09 11:01] (Version actuelle) villersd
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   * [[http://chemistry.stackexchange.com/questions/65297/why-is-ammonium-a-weak-acid-if-ammonia-is-a-weak-base|Why is ammonium a weak acid if ammonia is a weak base?]]   * [[http://chemistry.stackexchange.com/questions/65297/why-is-ammonium-a-weak-acid-if-ammonia-is-a-weak-base|Why is ammonium a weak acid if ammonia is a weak base?]]
     * //cf.// [[http://chem.libretexts.org/Core/Organic_Chemistry/Fundamentals/What_is_the_pKa_of_water%3F|What is the pKa of water?]] (chemistry libretexts)     * //cf.// [[http://chem.libretexts.org/Core/Organic_Chemistry/Fundamentals/What_is_the_pKa_of_water%3F|What is the pKa of water?]] (chemistry libretexts)
 +  * [[https://chemistry.stackexchange.com/questions/48373/ammonium-hydroxide-name|Ammonium Hydroxide Name]]
   * **pKa de l'ion hydronium ou oxonium...**   * **pKa de l'ion hydronium ou oxonium...**
     * [[https://chemistry.stackexchange.com/questions/47458/how-to-calculate-ka-for-hydronium-and-kb-for-hydroxide|How to calculate Ka for hydronium and Kb for hydroxide?]]     * [[https://chemistry.stackexchange.com/questions/47458/how-to-calculate-ka-for-hydronium-and-kb-for-hydroxide|How to calculate Ka for hydronium and Kb for hydroxide?]]
Ligne 387: Ligne 388:
   * [[https://chemistry.stackexchange.com/questions/158486/combustion-analysis-of-hydrocarbon|chemical formula - Combustion analysis of hydrocarbon]]   * [[https://chemistry.stackexchange.com/questions/158486/combustion-analysis-of-hydrocarbon|chemical formula - Combustion analysis of hydrocarbon]]
   * [[https://chemistry.stackexchange.com/questions/159495/why-are-almost-all-fruits-acidic|Why are almost all fruits acidic?]]   * [[https://chemistry.stackexchange.com/questions/159495/why-are-almost-all-fruits-acidic|Why are almost all fruits acidic?]]
 +  * [[https://chemistry.stackexchange.com/questions/159584/why-is-carbonic-acid-often-ignored|Why is carbonic acid often ignored?]]
 +  * [[https://chemistry.stackexchange.com/questions/160266/why-do-diluted-sulfuric-acid-and-hydrogen-peroxide-etch-copper-only-when-chlorid|inorganic chemistry - Why do diluted sulfuric acid and hydrogen peroxide etch copper only when chloride ions are present?]]
 +  * [[https://chemistry.stackexchange.com/questions/160215/where-does-the-energy-from-combustion-come-from|Where does the energy from combustion come from?]]
 +  * [[https://chemistry.stackexchange.com/questions/161571/reasoning-for-why-anions-have-larger-radius|electronic configuration - Reasoning for why anions have larger radius]]
 +  * [[https://chemistry.stackexchange.com/questions/161556/why-is-supersaturated-sodium-acetate-so-metastable|physical chemistry - Why is supersaturated sodium acetate so (meta)stable?]]
 +  * [[https://chemistry.stackexchange.com/questions/161537/what-is-the-origin-of-the-word-salt-as-used-in-chemistry|What is the origin of the word salt as used in chemistry?]]
 +  * [[https://chemistry.stackexchange.com/questions/162209/molar-conductivity-calculation-in-a-titration-curve|Molar conductivity calculation in a titration curve]]
 +  * [[https://chemistry.stackexchange.com/questions/162242/how-should-you-report-measurements-and-uncertainty-for-a-measuring-cylinder-with|How should you report measurements and uncertainty for a measuring cylinder with 0.5 mL graduations?]]
 +  * [[https://chemistry.stackexchange.com/questions/162474/are-there-separate-quantity-symbols-for-the-pka-of-a-substance-and-the-pka-of-it|nomenclature - Are there separate quantity symbols for the pKa of a substance and the pKa of its conjugate acid?]]
 +  * [[https://chemistry.stackexchange.com/questions/162391/name-of-particles-in-a-suspension|solutions - Name of particles in a suspension]]
 +  * [[https://chemistry.stackexchange.com/questions/18370/why-does-aluminum-have-a-lower-first-ionization-energy-than-magnesium|physical chemistry - Why does aluminum have a lower first ionization energy than magnesium?]]
 +  * [[https://chemistry.stackexchange.com/questions/50269/how-to-convert-from-w-w-to-molarity|aqueous solution - How to convert from w/w% to molarity?]]
 +  * [[https://chemistry.stackexchange.com/questions/163602/prigogine-vs-bronsted-and-the-minimum-entropy-production-principle|thermodynamics - Prigogine vs. Bronsted and the minimum entropy production principle]]
 +  * [[https://chemistry.stackexchange.com/questions/163513/how-do-thermodynamic-variables-behave-in-reversible-and-irreversible-processes|physical chemistry - How do thermodynamic variables behave in reversible and irreversible processes?]]
 +  * [[https://chemistry.stackexchange.com/questions/164819/why-do-sp%c2%b3-orbitals-have-tetrahedral-symmetry-when-they-are-linear-combinations|Why do sp³ orbitals have tetrahedral symmetry when they are linear combinations of orbitals with octahedral symmetry?]]
 +  * [[https://chemistry.stackexchange.com/questions/33391/what-is-the-difference-between-the-klmn-and-spdf-methods-of-finding-electronic-c|What is the difference between the KLMN and SPDF methods of finding electronic configuration?]]
 +  * [[https://chemistry.stackexchange.com/questions/167434/why-is-there-a-decrease-in-the-total-volume-when-naoh-dissolves-in-water|Why is there a decrease in the total volume when NaOH dissolves in water?]]
 +  * [[https://chemistry.stackexchange.com/questions/168114/is-it-appropriate-to-call-an-element-an-amphoteric-substance|acid base - Is it appropriate to call an element an amphoteric substance?]]
 +  * [[https://chemistry.stackexchange.com/questions/168078/equilibrium-bond-length-diatomic-molecules|physical chemistry - Equilibrium Bond Length & Diatomic Molecules]]
 +  * [[https://chemistry.stackexchange.com/questions/168454/difference-between-a-cartoon-flame-test-and-a-real-flame-test-how-do-chemis|analytical chemistry - Difference between a “cartoon” flame test and a “real” flame test? How do chemists do flame tests correctly?]]
 +  * [[https://chemistry.stackexchange.com/questions/168392/why-doesnt-hydroxide-associate-with-water-analogously-to-proton-forming-hydroni|acid base - Why doesn’t hydroxide associate with water analogously to proton forming hydronium?]]
 +  * [[https:%%//%%chemistry.stackexchange.com/questions/168458/equilibrium-constant-for-isothermal-double-equilibrium-shift|inorganic chemistry - Equilibrium constant for isothermal double equilibrium “shift”]]
 +  * [[https://chemistry.stackexchange.com/questions/168571/what-happens-when-you-add-a-weak-acid-to-a-solution-buffered-at-a-ph-of-8-0|What happens when you add a weak acid to a solution buffered at a pH of 8.0?]]
 +  * [[https://chemistry.stackexchange.com/questions/168919/does-stoichiometric-gas-mixture-produce-the-highest-explosion-pressure-or-energ|stoichiometry - Does stoichiometric gas mixture produce the highest explosion pressure (or energy) compared with other explosive limit mixture?]]
 +  * [[https://chemistry.stackexchange.com/questions/17326/how-do-you-explain-pka-to-non-professional|acid base - How do you explain pKa to non-professional?]]
 +  * [[https://chemistry.stackexchange.com/questions/169500/how-come-nuclear-waste-is-so-radioactive-when-uranium-is-relatively-stable-with|How come nuclear waste is so radioactive when uranium is relatively stable with an extremely long half life?]]
 +  * [[https://chemistry.stackexchange.com/questions/66727/solubility-of-oxygen-in-water-with-temperature-why-does-the-change-in-solubilit|Solubility of oxygen in water with temperature, why does the change in solubility decrease around 40 °C?]]
 +  * [[https://chemistry.stackexchange.com/questions/173281/what-is-the-meaning-of-proto-in-nomenclature|What is the meaning of "proto" in nomenclature?]]
 +  * [[https://chemistry.stackexchange.com/questions/174216/lewis-structure-of-the-guanidinium-ion|Lewis Structure of the Guanidinium Ion]]
   * ...   * ...
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