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teaching:stackexchange-chimie [2020/12/07 17:32] villersdteaching:stackexchange-chimie [2023/06/09 11:01] (Version actuelle) villersd
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 ===== Sélection de questions intéressantes  ===== ===== Sélection de questions intéressantes  =====
-  * [[http://chemistry.stackexchange.com/questions/36970/how-to-balance-more-complex-redox-reactions|How to balance more complex redox reactions?]] → [[exos_comment_equilibrer_des_redox_complexes|Comment équilibrer des réactions redox complexes]]+  * [[http://chemistry.stackexchange.com/questions/36970/how-to-balance-more-complex-redox-reactions|How to balance more complex redox reactions?]] → **[[exos_comment_equilibrer_des_redox_complexes|Comment équilibrer des réactions redox complexes]]**
   * [[http://chemistry.stackexchange.com/questions/37255/sp5-hybridization-in-cyclopropane|sp5 hybridization in cyclopropane]]   * [[http://chemistry.stackexchange.com/questions/37255/sp5-hybridization-in-cyclopropane|sp5 hybridization in cyclopropane]]
     * [[https://chemistry.stackexchange.com/questions/138297/is-hybridization-of-the-cyclopropyl-anion-sp5|Is hybridization of the cyclopropyl anion sp5?]]     * [[https://chemistry.stackexchange.com/questions/138297/is-hybridization-of-the-cyclopropyl-anion-sp5|Is hybridization of the cyclopropyl anion sp5?]]
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     * [[http://pubs.acs.org/doi/abs/10.1021/ed3004275]]     * [[http://pubs.acs.org/doi/abs/10.1021/ed3004275]]
   * [[http://chemistry.stackexchange.com/questions/7439/chemistry-behind-gales-coffee-maker-in-breaking-bad|Chemistry behind Gale's Coffee Maker in Breaking Bad]]   * [[http://chemistry.stackexchange.com/questions/7439/chemistry-behind-gales-coffee-maker-in-breaking-bad|Chemistry behind Gale's Coffee Maker in Breaking Bad]]
-  * [[https://chemistry.stackexchange.com/questions/5915/why-do-salts-such-as-nacl-dissolve|Why do salts such as NaCl dissolve?]] → [[exos_pourquoi_les_sels_tels_que_le_nacl_se_dissolvent_dans_l_eau|Pourquoi les sels tels que le NaCl se dissolvent dans l'eau ?]]+  * [[https://chemistry.stackexchange.com/questions/5915/why-do-salts-such-as-nacl-dissolve|Why do salts such as NaCl dissolve?]] → **[[exos_pourquoi_les_sels_tels_que_le_nacl_se_dissolvent_dans_l_eau|Pourquoi les sels tels que le NaCl se dissolvent dans l'eau ?]]**
   * [[http://chemistry.stackexchange.com/questions/38597/non-bonded-orbitals-in-water|Non bonded orbitals in water]]   * [[http://chemistry.stackexchange.com/questions/38597/non-bonded-orbitals-in-water|Non bonded orbitals in water]]
   * [[http://chemistry.stackexchange.com/questions/4094/white-powder-observed-after-boiling-water-in-electric-kettle-for-many-weeks|White powder observed after boiling water in electric kettle for many weeks]]   * [[http://chemistry.stackexchange.com/questions/4094/white-powder-observed-after-boiling-water-in-electric-kettle-for-many-weeks|White powder observed after boiling water in electric kettle for many weeks]]
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   * [[https://chemistry.stackexchange.com/questions/16267/why-do-we-write-nh%E2%82%83|Why do we write NH₃?]]   * [[https://chemistry.stackexchange.com/questions/16267/why-do-we-write-nh%E2%82%83|Why do we write NH₃?]]
   * [[http://chemistry.stackexchange.com/questions/15606/can-you-make-napalm-out-of-gasoline-and-orange-juice-concentrate|Can you make napalm out of gasoline and orange juice concentrate?]]   * [[http://chemistry.stackexchange.com/questions/15606/can-you-make-napalm-out-of-gasoline-and-orange-juice-concentrate|Can you make napalm out of gasoline and orange juice concentrate?]]
-  * [[http://chemistry.stackexchange.com/questions/43167/why-is-borax-used-as-a-primary-standard|Why is Borax used as a primary standard?]] → [[exos_pourquoi_le_borax_est_il_utilise_comme_standard_primaire|Pourquoi le borax est-il utilisé comme standard primaire]]+  * [[http://chemistry.stackexchange.com/questions/43167/why-is-borax-used-as-a-primary-standard|Why is Borax used as a primary standard?]] → **[[exos_pourquoi_le_borax_est_il_utilise_comme_standard_primaire|Pourquoi le borax est-il utilisé comme standard primaire]]**
   * [[http://chemistry.stackexchange.com/questions/44605/what-is-the-origin-of-the-positive-to-negative-convention-concerning-dipole-mo|What is the origin of the “positive-to-negative” convention concerning dipole moments in chemistry?]]   * [[http://chemistry.stackexchange.com/questions/44605/what-is-the-origin-of-the-positive-to-negative-convention-concerning-dipole-mo|What is the origin of the “positive-to-negative” convention concerning dipole moments in chemistry?]]
   * [[http://chemistry.stackexchange.com/questions/44414/is-there-a-chemical-reaction-that-speeds-up-when-the-temprature-gets-lower|Is there a chemical reaction that speeds up when the temprature gets lower?]]   * [[http://chemistry.stackexchange.com/questions/44414/is-there-a-chemical-reaction-that-speeds-up-when-the-temprature-gets-lower|Is there a chemical reaction that speeds up when the temprature gets lower?]]
   * [[http://chemistry.stackexchange.com/questions/44699/cucl2-has-colour-but-cucl-does-not|CuCl2 has colour but CuCl does not]]   * [[http://chemistry.stackexchange.com/questions/44699/cucl2-has-colour-but-cucl-does-not|CuCl2 has colour but CuCl does not]]
-  * [[http://chemistry.stackexchange.com/questions/9272/why-is-phenolphthalein-an-appropriate-indicator-for-titration-of-a-strong-acid-w|Why is phenolphthalein an appropriate indicator for titration of a strong acid with a strong base?]] → [[exos_pourquoi_la_phenolphtaleine_est_un_indicateur_approprie_pour_le_titrage_d_un_acide_fort_par_une_base_forte|Pourquoi la phénolphtaléine est un indicateur approprié pour le titrage d'un acide fort par une base forte ?]]+  * [[http://chemistry.stackexchange.com/questions/9272/why-is-phenolphthalein-an-appropriate-indicator-for-titration-of-a-strong-acid-w|Why is phenolphthalein an appropriate indicator for titration of a strong acid with a strong base?]] → **[[exos_pourquoi_la_phenolphtaleine_est_un_indicateur_approprie_pour_le_titrage_d_un_acide_fort_par_une_base_forte|Pourquoi la phénolphtaléine est un indicateur approprié pour le titrage d'un acide fort par une base forte ?]]**
   * [[http://chemistry.stackexchange.com/questions/47049/why-does-caco3-react-with-hcl-but-not-with-h2so4|Why does CaCO3 react with HCl, but not with H2SO4?]]   * [[http://chemistry.stackexchange.com/questions/47049/why-does-caco3-react-with-hcl-but-not-with-h2so4|Why does CaCO3 react with HCl, but not with H2SO4?]]
   * [[http://chemistry.stackexchange.com/questions/47908/why-is-hcl-a-stronger-acid-than-acetic-acid|Why is HCl a stronger acid than Acetic Acid?]]   * [[http://chemistry.stackexchange.com/questions/47908/why-is-hcl-a-stronger-acid-than-acetic-acid|Why is HCl a stronger acid than Acetic Acid?]]
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   * [[http://chemistry.stackexchange.com/questions/5737/is-a-negative-ph-level-physically-possible|Is a negative pH level physically possible?]]   * [[http://chemistry.stackexchange.com/questions/5737/is-a-negative-ph-level-physically-possible|Is a negative pH level physically possible?]]
   * [[http://chemistry.stackexchange.com/questions/58063/to-which-block-of-the-periodic-table-does-helium-belong|To which block of the periodic table does helium belong?]]   * [[http://chemistry.stackexchange.com/questions/58063/to-which-block-of-the-periodic-table-does-helium-belong|To which block of the periodic table does helium belong?]]
-  * [[http://chemistry.stackexchange.com/questions/58171/why-does-the-ionization-energy-decrease-anytime-the-atom-size-increases|Why does the ionization energy decrease anytime the atom size increases?]] → [[teaching:exos_pourquoi_l_energie_d_ionisation_diminue_t_elle_lorsque_la_taille_de_l_atome_augmente|Pourquoi l'énergie d'ionisation diminue-t-elle lorsque la taille de l'atome augmente ?]]+  * [[http://chemistry.stackexchange.com/questions/58171/why-does-the-ionization-energy-decrease-anytime-the-atom-size-increases|Why does the ionization energy decrease anytime the atom size increases?]] → **[[teaching:exos_pourquoi_l_energie_d_ionisation_diminue_t_elle_lorsque_la_taille_de_l_atome_augmente|Pourquoi l'énergie d'ionisation diminue-t-elle lorsque la taille de l'atome augmente ?]]**
   * [[http://chemistry.stackexchange.com/questions/58301/why-do-raisins-bob-up-and-down-in-carbonated-water|Why do raisins bob up and down in carbonated water?]]   * [[http://chemistry.stackexchange.com/questions/58301/why-do-raisins-bob-up-and-down-in-carbonated-water|Why do raisins bob up and down in carbonated water?]]
   * [[http://chemistry.stackexchange.com/questions/58564/are-any-bonds-broken-when-no2-becomes-n2o4|Are any bonds broken when NO2 becomes N2O4?]]   * [[http://chemistry.stackexchange.com/questions/58564/are-any-bonds-broken-when-no2-becomes-n2o4|Are any bonds broken when NO2 becomes N2O4?]]
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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?]]
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   * [[https://chemistry.stackexchange.com/questions/69798/an-introduction-to-oxidation-state-oxidation-number|An introduction to “oxidation state”/“oxidation number”]]   * [[https://chemistry.stackexchange.com/questions/69798/an-introduction-to-oxidation-state-oxidation-number|An introduction to “oxidation state”/“oxidation number”]]
   * [[http://chemistry.stackexchange.com/questions/70408/does-water-have-a-chemical-name|Does water have a chemical name?]]   * [[http://chemistry.stackexchange.com/questions/70408/does-water-have-a-chemical-name|Does water have a chemical name?]]
-  * [[http://chemistry.stackexchange.com/questions/70231/do-acids-really-donate-a-proton|Do acids really donate a proton?]] → [[teaching:exos_les_acides_donnent_ils_vraiment_un_proton#les_acides_donnent-ils_vraiment_un_proton|Les acides donnent-ils vraiment un proton ?]]+  * [[http://chemistry.stackexchange.com/questions/70231/do-acids-really-donate-a-proton|Do acids really donate a proton?]] → **[[teaching:exos_les_acides_donnent_ils_vraiment_un_proton#les_acides_donnent-ils_vraiment_un_proton|Les acides donnent-ils vraiment un proton ?]]**
   * [[http://chemistry.stackexchange.com/questions/70117/is-this-a-violation-of-equipartition-theorem|Is this a violation of Equipartition theorem?]]   * [[http://chemistry.stackexchange.com/questions/70117/is-this-a-violation-of-equipartition-theorem|Is this a violation of Equipartition theorem?]]
   * [[http://chemistry.stackexchange.com/questions/71417/why-alkanes-containing-even-number-of-carbons-can-be-packed-more-efficiently-tha|Why alkanes containing even number of carbons can be packed more efficiently than alkanes with odd number of carbon atoms?]]   * [[http://chemistry.stackexchange.com/questions/71417/why-alkanes-containing-even-number-of-carbons-can-be-packed-more-efficiently-tha|Why alkanes containing even number of carbons can be packed more efficiently than alkanes with odd number of carbon atoms?]]
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   * [[https://chemistry.stackexchange.com/questions/27535/percentage-ionic-character-if-electronegativity-is-given|Percentage ionic character if electronegativity is given]]   * [[https://chemistry.stackexchange.com/questions/27535/percentage-ionic-character-if-electronegativity-is-given|Percentage ionic character if electronegativity is given]]
   * [[https://chemistry.stackexchange.com/questions/5471/reviving-li-ion-battery-in-freezer|Reviving Li-ion battery in freezer?]]   * [[https://chemistry.stackexchange.com/questions/5471/reviving-li-ion-battery-in-freezer|Reviving Li-ion battery in freezer?]]
-  * [[https://chemistry.stackexchange.com/questions/80780/what-volume-does-one-mole-of-an-ideal-gas-occupy|What volume does one mole of an ideal gas occupy?]] → [[exos_quel_volume_occupe_une_mole_de_gaz_ideal|Quel volume occupe une mole de gaz idéal]]+  * [[https://chemistry.stackexchange.com/questions/80780/what-volume-does-one-mole-of-an-ideal-gas-occupy|What volume does one mole of an ideal gas occupy?]] → **[[exos_quel_volume_occupe_une_mole_de_gaz_ideal|Quel volume occupe une mole de gaz idéal]]**
   * [[https://chemistry.stackexchange.com/questions/80881/what-are-the-side-effects-of-adding-dry-ice-to-a-swimming-pool|What are the side effects of adding dry ice to a swimming pool?]]   * [[https://chemistry.stackexchange.com/questions/80881/what-are-the-side-effects-of-adding-dry-ice-to-a-swimming-pool|What are the side effects of adding dry ice to a swimming pool?]]
   * [[https://chemistry.stackexchange.com/questions/7851/what-is-the-pka-range-for-weak-acids-and-bases|What is the pKa Range for weak acids and bases?]]   * [[https://chemistry.stackexchange.com/questions/7851/what-is-the-pka-range-for-weak-acids-and-bases|What is the pKa Range for weak acids and bases?]]
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   * [[https://chemistry.stackexchange.com/questions/82236/whats-the-difference-between-reactant-excess-reactant-and-limited-reactant-in|What's the difference between reactant, excess reactant and limited reactant in a balanced equation?]]   * [[https://chemistry.stackexchange.com/questions/82236/whats-the-difference-between-reactant-excess-reactant-and-limited-reactant-in|What's the difference between reactant, excess reactant and limited reactant in a balanced equation?]]
   * [[https://chemistry.stackexchange.com/questions/82022/michaelis-menten-mechanism-of-enzyme-catalyzed-reactions|Michaelis-Menten mechanism of enzyme-catalyzed reactions]]   * [[https://chemistry.stackexchange.com/questions/82022/michaelis-menten-mechanism-of-enzyme-catalyzed-reactions|Michaelis-Menten mechanism of enzyme-catalyzed reactions]]
-  * [[https://chemistry.stackexchange.com/questions/893/why-first-water-and-then-acid|Why first water and then acid?]]+  * [[https://chemistry.stackexchange.com/questions/893/why-add-water-first-then-acid|Why add water first then acid?]] → **[[exos_pourquoi_faut-il_toujours_mettre_ l_eau_en_premier_et_l_acide_ensuite|Pourquoi faut-il toujours mettre l’eau en premier et l’acide ensuite]]**
   * [[https://chemistry.stackexchange.com/questions/82350/what-is-the-molecular-structure-of-xenon-hexafluoride|What is the molecular structure of xenon hexafluoride?]]   * [[https://chemistry.stackexchange.com/questions/82350/what-is-the-molecular-structure-of-xenon-hexafluoride|What is the molecular structure of xenon hexafluoride?]]
   * [[https://chemistry.stackexchange.com/questions/82382/choice-of-preferred-iupac-names|Choice of preferred IUPAC names]]   * [[https://chemistry.stackexchange.com/questions/82382/choice-of-preferred-iupac-names|Choice of preferred IUPAC names]]
Ligne 308: Ligne 309:
   * [[https://chemistry.stackexchange.com/questions/15058/why-is-o2-a-biradical/|Why is O2 a biradical?]]   * [[https://chemistry.stackexchange.com/questions/15058/why-is-o2-a-biradical/|Why is O2 a biradical?]]
   * [[https://chemistry.stackexchange.com/questions/124094/reason-for-the-generation-of-london-dispersion-forces|Reason for the generation of London Dispersion Forces]]   * [[https://chemistry.stackexchange.com/questions/124094/reason-for-the-generation-of-london-dispersion-forces|Reason for the generation of London Dispersion Forces]]
 +  * [[https://chemistry.stackexchange.com/questions/156119/why-london-dispersion-force-is-attractive-not-repulsive|Why London Dispersion force is attractive not repulsive]]
   * [[https://chemistry.stackexchange.com/questions/68859/how-are-the-number-of-tetrahedral-voids-twice-the-number-of-octahedral-voids-in|How are the number of tetrahedral voids twice the number of octahedral voids in a CCP structure?]]   * [[https://chemistry.stackexchange.com/questions/68859/how-are-the-number-of-tetrahedral-voids-twice-the-number-of-octahedral-voids-in|How are the number of tetrahedral voids twice the number of octahedral voids in a CCP structure?]]
   * [[https://chemistry.stackexchange.com/questions/29657/what-are-the-correct-resonance-structures-of-nitrous-oxide|What are the correct resonance structures of nitrous oxide?]]   * [[https://chemistry.stackexchange.com/questions/29657/what-are-the-correct-resonance-structures-of-nitrous-oxide|What are the correct resonance structures of nitrous oxide?]]
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   * [[https://chemistry.stackexchange.com/questions/142384/explanation-for-a-basic-decomposition-of-water-experiment|inorganic chemistry - Explanation for a basic decomposition of water experiment]]   * [[https://chemistry.stackexchange.com/questions/142384/explanation-for-a-basic-decomposition-of-water-experiment|inorganic chemistry - Explanation for a basic decomposition of water experiment]]
   * [[https://chemistry.stackexchange.com/questions/143335/why-is-a-third-body-needed-in-the-recombination-of-two-hydrogen-atoms|physical chemistry - Why is a third body needed in the recombination of two hydrogen atoms?]]   * [[https://chemistry.stackexchange.com/questions/143335/why-is-a-third-body-needed-in-the-recombination-of-two-hydrogen-atoms|physical chemistry - Why is a third body needed in the recombination of two hydrogen atoms?]]
 +  * [[https://chemistry.stackexchange.com/questions/143609/how-many-electric-vehicles-can-our-current-supply-of-lithium-power|How many electric vehicles can our current supply of lithium power?]]
 +  * [[https://chemistry.stackexchange.com/questions/144202/cleaning-with-vinegar-and-sodium-bicarbonate|Cleaning with vinegar and sodium bicarbonate]]
 +  * [[https://chemistry.stackexchange.com/questions/144402/what-has-been-the-accepted-value-for-the-avogadro-constant-in-the-crc-handbook|What has been the accepted value for the Avogadro constant in the “CRC Handbook of Chemistry and Physics” over the years?]]
 +  * [[https://chemistry.stackexchange.com/questions/144518/why-does-entropy-increase-in-reactions-that-make-more-molecules|Why does entropy increase in reactions that make more molecules?]]
 +  * [[https://chemistry.stackexchange.com/questions/144749/why-do-electrons-jump-back-after-absorbing-energy-and-moving-to-a-higher-energy|Why do electrons jump back after absorbing energy and moving to a higher energy level?]]
 +  * [[https://chemistry.stackexchange.com/questions/146185/what-is-the-carbon-content-by-weight-of-vegetable-oil|hydrocarbons - What is the carbon content, by weight, of vegetable oil?]]
 +  * [[https://chemistry.stackexchange.com/questions/146214/leaving-a-spoon-in-a-cup-of-tap-water-for-about-12-hours-makes-a-pattern-of-bubb|aqueous solution - leaving a spoon in a cup of tap water for about 12 hours makes a pattern of bubbles, why?]]
 +  * [[https://chemistry.stackexchange.com/questions/147215/what-would-be-the-physical-interpretation-of-the-equation-dg-vdp-%e2%88%92-sdt|thermodynamics - What would be the physical interpretation of the equation dG = Vdp − SdT?]]
 +  * [[https://chemistry.stackexchange.com/questions/147129/what-ph-value-of-1m-sodium-crotonate-solution-supposed-to-be|acid base - What pH value of 1M sodium crotonate solution supposed to be?]]
 +  * [[https://chemistry.stackexchange.com/questions/5122/how-is-it-determined-how-many-electrons-are-transferred-in-redox-reactions|How is it determined how many electrons are transferred in redox reactions?]]
 +  * [[https://chemistry.stackexchange.com/questions/150218/what-happens-inside-salt-bridges|What happens inside salt bridges?]]
 +  * [[https://chemistry.stackexchange.com/questions/150262/balancing-reaction-between-copper-and-nitric-acid-given-the-ratio-of-formed-nitr|Balancing reaction between copper and nitric acid given the ratio of formed nitrogen oxides]]
 +  * [[https://chemistry.stackexchange.com/questions/2827/why-do-sulfur-and-oxygen-form-sulfur-dioxide|Why do sulfur and oxygen form sulfur dioxide?]]
 +  * [[https://chemistry.stackexchange.com/questions/152158/why-hydrogen-bonding-in-some-acids-make-them-a-stronger-acid-when-it-is-present|organic chemistry - Why hydrogen bonding in some acids make them a stronger acid when it is present even before deprotonation?]]
 +  * [[https://chemistry.stackexchange.com/questions/152340/is-the-origin-of-non-integral-atomic-masses-the-difference-in-masses-of-the-prot|physical chemistry - Is the origin of non-integral atomic masses the difference in masses of the proton and neutron?]]
 +  * [[https://chemistry.stackexchange.com/questions/152274/can-the-equilbrium-constant-ever-be-exactly-1|physical chemistry - Can the equilbrium constant ever be exactly 1?]]
 +  * [[https://chemistry.stackexchange.com/questions/153417/how-exactly-does-uv-light-break-bonds|reaction mechanism - How exactly does UV light break bonds?]]
 +  * [[https://chemistry.stackexchange.com/questions/153392/does-ammonia-exhibit-hydrogen-bonding-in-its-gaseous-state|inorganic chemistry - Does ammonia exhibit hydrogen bonding in its gaseous state?]]
 +  * [[https://chemistry.stackexchange.com/questions/155510/why-are-protons-more-common-than-hydride-ion|Why are protons more common than hydride ion?]]
 +  * [[https://chemistry.stackexchange.com/questions/155547/how-much-co2-is-produced-when-burning-1gj-of-natural-gas|How much CO2 is produced when burning 1GJ of Natural Gas]]
 +  * [[https://chemistry.stackexchange.com/questions/157445/peak-in-beer-freezing-temperature-plot|Peak in beer freezing temperature plot]]
 +  * [[https://chemistry.stackexchange.com/questions/158173/does-distilled-water-still-have-ions-in-it-does-deionized-water-lack-ions-but|distillation - Does distilled water still have ions in it? Does deionized water lack ions, but still have other “stuff” in it?]]
 +  * [[https://chemistry.stackexchange.com/questions/158238/why-use-molecular-equation-to-refer-to-a-chemical-equation-describing-a-precip|nomenclature - Why use “molecular equation” to refer to a chemical equation describing a precipitation reaction?]]
 +  * [[https://chemistry.stackexchange.com/questions/63353/how-can-i-tell-whether-or-not-a-molecule-is-planar|organic chemistry - How can I tell whether or not a molecule is planar?]]
 +  * [[https://chemistry.stackexchange.com/questions/98387/how-does-h2so4-dissociate/98468|How does H2SO4 dissociate?]]
 +  * [[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/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]]
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 +  * [[https:%%//%%chemistry.stackexchange.com/questions/168458/equilibrium-constant-for-isothermal-double-equilibrium-shift|inorganic chemistry - Equilibrium constant for isothermal double equilibrium “shift”]]
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 +  * [[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]]
   * ...   * ...
 +
  
 ===== Autres sites de questions et réponses ===== ===== Autres sites de questions et réponses =====
Ligne 371: Ligne 430:
 ===== Questions diverses ===== ===== Questions diverses =====
   * [[http://www.slate.fr/story/67469/gaz-odeur-pourquoi|Ça sent le gaz, mais pourquoi le gaz sent?]] Michel Alberganti — 22 janvier 2013   * [[http://www.slate.fr/story/67469/gaz-odeur-pourquoi|Ça sent le gaz, mais pourquoi le gaz sent?]] Michel Alberganti — 22 janvier 2013
 +  * [[https://www.researchgate.net/post/Can-Gibbs-energy-of-formation-be-calculated-from-enthalpy-and-entropy|Can Gibbs energy of formation be calculated from enthalpy and entropy?]]
  
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  • Dernière modification : 2020/12/07 17:32
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