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Whereas in the pyridinium ion - pyridine case. we can't draw good resonance structures that stabilize the positive charge in the pyridinium ion - this makes pyridinium ion more acidic. Both factors operate in the same direction and tend to make the pyridinium ion (pKa = 5.5 p K a = 5.5) more acidic than the iminium ion (pKa p K a ∼ ∼ 9). Share.Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. It only takes a minute to sign up.Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. It only takes a minute to sign up.

1. I do not know any chemistry-for-physicists textbook, but Chemistry: The Central Science is a good textbook that gives a general picture of chemistry. I do not know what do you mean by " that takes advantage of thermodynamics, statistical mechanics, and quantum mechanics ". Share. Cite.Effect of Temperature on pH of Water. The Kw K w is a function of temperature. It is 10−14 10 − 14 at 25 ∘C 25 ∘ C. When the temperature is 50 ∘C 50 ∘ C, the Kw K w can be calculated to be somewhere around 10−12 10 − 12 using Vant Hoff's equation, but this is so weird.E + S ↔ ES → E + P (with product inhibition) Note that the chemical equation above does not explicitly show the product P binding the enzyme to form an EP complex. An actual reaction diagram showing the inhibition of an enzyme by an inhibitor I and by the product P is shown in Figure 6.4.6 6.4. 6 below.

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Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.Whereas in the pyridinium ion - pyridine case. we can't draw good resonance structures that stabilize the positive charge in the pyridinium ion - this makes pyridinium ion more acidic. Both factors operate in the same direction and tend to make the pyridinium ion (pKa = 5.5 p K a = 5.5) more acidic than the iminium ion (pKa p K a ∼ ∼ 9). Share.Dec 30, 2015 · 2 Answers. Carbon Dioxide (CO 2) readily dissolve in water and form Carbonic Acid (i.e H2CO3 (aq) ) This is the formation of bonds. Then Carbonic Acid (i.e H 2 CO 3 (aq) ) dissociate in water as follows. So water gets H + ions, so that cause water acidic. The following shows dissociation of Carbonic Acid (i.e H 2 CO 3 (aq) ) more clearly. This web site shows how the molecules line up in the crystals. Yes, some ice is denser than water. If you put pressure on regular ice, and give it time to rearrange, the molecules will move into a new crystal lattice which results in the ice being more dense than water. In the first ice crystal, there are spaces between some of the molecules ...

Dec 2, 2022 · The intersection between the wafer surface and the (122) plane is a line parallel to (1,1,1) x (1,2,2) = (0,-1,1). The angle between these two is 120 degrees. Because of the symmetry of the wafer, other solutions are 0 or -120 degrees. (You would get those by dialing in the (212) or the (221) plane.)

Once in hand, you could oxidize benzaldehyde to benzoic acid. An alternate approach would be to 1) brominate benzene to form bromobenzene, 2) form the Grignard reagent with magnesium and 3) react it with carbon dioxide to produce benzoic acid. In either case, with benzoic acid in hand, you can procede as you've indicated, on to benzophenone.

Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange. ... For questions that have to do with chemistry, chemical reactions be they biological or artificial, or the industrial ...Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, ... Back to Chemistry Stack Exchange Return to the main site Tour Start here for a quick overview of the site Help Center Detailed answers to ...Then we discover a report that Mg (OH) 2 can be considered to be a weak base (Ref 1), so we would expect a pH somewhat below 7.00, and the answer would be "0.1M MgCl 2 is acidic." (But not very acidic.) An elegant way of describing the situation is that Mg (OH) 2 is a strong electrolyte but a weak base (Ref 2 and 3).Here is how I understand it, armed with the new knowledge contained within the posts above: In the phosphate ion we have a central Phosphorus atom, with five valence electrons. This is bonded to four oxygen atoms, which have six valence electrons. Five P electrons plus 4 times 6 O electrons gives 29 electrons. The chemistry is fairly simple: N a H C O X 3 84 g + H C l 36 g N a C l + H X 2 O + C O X 2 f i z z. You can make a dilute baking soda solution as well and add slowly with stirring. Just keep adding until it no longer fizzles, then test with pH paper. Repeat.Compare, while providing an explanation, the thermal and electrical conductivity of graphite to that of diamond. Provided answer: Graphite conducts electricity (only across a layer) where as diamond does not. Diamond is better at transferring heat than graphite. Explanation: Diamond is covalent network solid of carbon atoms which are linked to ...

May 11, 2017 · Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. ... I opened chemistry stack exchange it told me that the heat during phase change doesn't change the ...Avogadro's law states that. equal volumes of all gases, at the same temperature and pressure, have the same number of molecules. More exactly, it also includes single atoms, e.g. for a case of noble gases, due the way how IUPAC defines a molecule. But remember the Avogadro law implies ideal gases, similarly as the Gay-Lussac's law, Boyle's law ...Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.Feb 25, 2014 · 39. The inert pair effect describes the preference of late p-block elements (elements of the 3rd to 6th main group, starting from the 4th period but getting really important for elements from the 6th period onward) to form ions whose oxidation state is 2 less than the group valency. So much for the phenomenological part.

Monoatomic Gold allows subconsciously held beliefs and worries to surface and become understood... Monoatomic Gold acts upon the pituitary gland, inducing an increase in hormonal production, and is thus a rejuvenation agent. Monoatomic Gold strengthens the heart, improves the production of red blood cells in the bone marrow and increases the ...Write down your question. Write your question in the Body box. Your question should be clear even without the title. (Especially, do not write your whole question in the title and then put “title says it all” in the body.) Write your question out in full; do not post a picture of the question or your handwritten notes.

1. I do not know any chemistry-for-physicists textbook, but Chemistry: The Central Science is a good textbook that gives a general picture of chemistry. I do not know what do you mean by " that takes advantage of thermodynamics, statistical mechanics, and quantum mechanics ". Share. Cite.Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite.Stack Exchange. Want to start your own Stack Exchange Q&A site? Check out Area 51. Our friendly robots are waiting. We make Stack Overflow and 170+ other community-powered Q&A sites.If E° of a Half Cell is based on the chosen reference Electrode (Generally SHE) then how is the equation ΔG°= -nFE° be valid for a Half Cell. For example let us take the reaction: Zn (s) ---> Zn^2+ (aq) + 2e^- (aq) ;ΔG°, which we are considering as our half cell And now suppose, by taking the value of E° of SHE (Standard Hydrogen ... Jul 13, 2018 · Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations. Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.Chemistry Stack Exchange and a California Science Fair Project are used here. We basically see that the reaction for rusting is: 4 F e + 3 O 2 + 6 H 2 O → 4 F e ( O H) 3, with an overabundance of iron and water in a pipe, the limiting factor is oxygen, and how conductive the solution is. While oxygen is the limiting factor, concentration of ...

Aug 22, 2015 · Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. It only takes a minute to sign up.

J.D.Lee writes in his book Concise Inorganic Chemistry:. An alternative method for determining the symmetry of the molecular orbital is to rotate the orbital about the line joining the two nuclei and then rotate the orbital about the line perpendicular to this.If the sign of the lobes remains the same, the orbital is gerade, and if the sign changes, the orbital is ungerade.

Cross-posting is not considered the correct way to go on Stack Exchange. Or anywhere on the internet, to be a little more precise. The idea is that you want all answers to be in a single common spot, so the best answer out of different alternatives can be easily identified by votes.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange.Data Exchange. Improve your workflow by importing chemical data directly and by exporting your work for immediate publication or presentation. Use a wide range of molecular formats, ... Chemistry Mathematica Stack Exchange chemistry Wolfram Function Repository Chemistry. Related Core Areas.19. In chemistry ask "why" only after you ask "if". Given a sufficiently strong superacidic medium, H X 3 O X + can be protonated to H X 4 O X 2 +. Evidence for this reaction, by studying isotopic exchange in a H F + S b F X 5 + S O X 2 solvent, is given here [1]. H X 4 O X 2 + is, of course, a powerful protic acid, and it would be leveled to ...where δV = M(1/dl − 1/ds) δ V = M ( 1 / d l − 1 / d s) where M M is the molecular weight and d d the densities of liquid and solid. T1 T 1 and P1 P 1 are temperature and pressure at the triple point. Thus you have to iterate T1 T 1 and P1 P 1 by fitting (say by least squares) to the calculated curves to whatever data you have to find the ...1 Answer. CH3 radical is Sp2 hybridised carrying the lone electron in a pure p orbital. This is so because Sp2 hybridised orbitals are lower in energy than Sp3 hybrid orbitals (The more the S character the lesser is the energy of the orbital). When there is a lone electron present, it is more efficient to keep the bond pair electrons in lesser ...This would be a strong acid too and the inflection point would be that for water at pH 7. Note that the pKa 1.69 is assuming HX+XX− H X + X X − and is taken at 1/2 of the NaX+OHX− N a X + O H X − used. Knowing that HX2SOX4 H X 2 S O X 4 has two protons, the second pKa should be taken at 150% on the plot which would give the correct pKa ...NotEvans. 17.1k 3 68 135. Add a comment. 4. Normal phase HPLC means the stationary phase is polar and the mobile phase is non-polar; reversed phase means the stationary phase is non-polar and the mobile phase is polar. See HPLC Separation Modes (from Waters, a manufacturer of chromatography equipment and supplies) for more insight.Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.community is growing. Stack Overflow and the Stack Exchange network help people find the answers they need, when they need them. Comprising 173 Q&A communities, including Stack Overflow, over 100 million people visit every month to ask questions, learn, and share technical knowledge. Our products and tools empower people to find what they need ...

2. There are several packages available: chemfig, mhchem, chemformula to name a few. Try Google "latex chemistry". – Sandy G. Jan 4, 2018 at 17:15. @TeXnician Chemical reactions and organic formulas, mainly for examinations. I have seen that there are many extensions and I do not know which one to download for texmaker.Feb 25, 2023 · Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange. ... chemistry; Hsauce13. 1; asked Oct 8 at 13:11. 0 votes. 0 answers.Instagram:https://instagram. tahaad pettiford birthdaybachelor's in health science onlineku basketball 2013 rostercbmm Thanks for contributing an answer to Chemistry Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.Q&A for academics and those enrolled in higher education. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange spring 2023 finals scheduletzumi clock set time Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. It only takes a minute to sign up. master in marketing and communication Write down your question. Write your question in the Body box. Your question should be clear even without the title. (Especially, do not write your whole question in the title and then put “title says it all” in the body.) Write your question out in full; do not post a picture of the question or your handwritten notes.Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. It only takes a minute to sign up.Q&A for academics and those enrolled in higher education. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange