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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.Jun 4, 2020 · 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. F e X 2 + ion containing metal surfaces, rust, drinking water, blood etc., but also copper and brass, give rise to a similar odor on contact with the skin. The human ability to detect this odor is probably a result of the evolutionarily developed but largely dormant ability to smell blood (“blood scent”).Dec 15, 2015 · 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. 131. This FAQ explains and gives examples how to typeset chemical equations, quantities and units, and mathematical expressions on Chemistry Stack Exchange (rather than posting pictures, which you can't edit or search). Refer to the table of contents below to find topics you need to format questions and answers. There is a lot of work associated to create such a database, or software. Organic Synthesis is one open-access reference for organic reactions, yet the normal output is a html / pdf of the reaction procedure, and not a *.sdf (or other chemically relevant *.xml-like) format. Inorganic Synthesis is a publication with similar intent as the former ...1. What kinds of questions are considered homework questions? A “homework question” is any question whose value lies in helping you understand the method by which the question can be solved, rather than …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 ...Q&A about the site for scientists, academics, teachers, and students in the field of chemistry Stack Exchange Network 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.An icon used to represent a menu that can be toggled by interacting with this icon.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. 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.I teach high school chemistry, and it would be fantastic to have an app or web tool that students could use to draw Stack Exchange Network 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 …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, ... Chemistry studies very specific things: the phenomena in which atoms in molecules reorganize into different molecules (reactions) and the structure of these molecules as an organized collection ...May 28, 2015 · Today this reversible lithium-halogen exchange reaction can be formulated as, RLi +R′X↽−−⇀K R′Li +RX. R L i + R ′ X ↽ − − ⇀ K R ′ L i + R X. As an equilibrium process, we know that the more stable lithium species is preferred. Interestingly when R′ R ′ = aryl (particularly bromides and iodides) this is best written as, Jul 2, 2017 · Q&A for scientists, academics, teachers, and students in the field of chemistry Stack Exchange Network 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. Welcome to Physics Stack Exchange. Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics and astronomy. It's built and run by you as part of the Stack Exchange network of Q&A sites. With your help, we're working together to build a library of detailed answers to every question about ...May 28, 2015 · Today this reversible lithium-halogen exchange reaction can be formulated as, RLi +R′X↽−−⇀K R′Li +RX. R L i + R ′ X ↽ − − ⇀ K R ′ L i + R X. As an equilibrium process, we know that the more stable lithium species is preferred. Interestingly when R′ R ′ = aryl (particularly bromides and iodides) this is best written as, 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. 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.When you’re looking for professional liability or malpractice insurance, choosing a company can be surprisingly tricky. If you’re working in the mental health, wellness, fitness, or similar sectors, you may have heard of CPH & Associates.The recipe for the plastics-from-starch uses starch, glycerol, acetic acid (the CX2HX4OX2 C X 2 H X 4 O X 2 in your equation) and water as a solvent. (They do not add lactic acid, the CX3HX8OX3 C X 3 H X 8 O X 3 in your equation, but lactic acid can be produced by hydrolysis of the starch.) With the starch-acetic acid-glycerol recipe, you do ... Viewed 11k times. 15. I searched for the strongest oxidising agent and I found different results: ClFX3 C l F X 3, HArF H A r F, FX2 F X 2 were among them. Many said ClFX3 C l F X 3 is the most powerful as it oxidises everything, even asbestos, sand, concrete, and can set easily fire to anything which can't be stopped; it can only be stored in ...Redox titrations : Oxidation of metallic Iron by Potassium Dichromate. 0.31 g of an alloy of Fe + Cu was dissolved in excess of dilute H X 2 S O X 4 and the solution was made upto 100 ml. 20 ml of this solution required 3 ml of N 10 K X 2 C r X 2 O X 7 solution ... inorganic-chemistry. physical-chemistry. redox.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 ...Welcome to Chemistry Stack Exchange! To get you the best answer, we provide this guidance for first-time askers. Before you post, search the site to make sure your question hasn’t been answered. Follow our policies when asking homework-like questions (questions about problem sets, exam items, etc.). 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 ... which provides arrows for chemical reactions, but it seems a little outdated (2001). For more LaTeX packages about chemistry see the list on CTAN. Share. Improve this answer. Follow edited Oct 27 , …There is a lot of work associated to create such a database, or software. Organic Synthesis is one open-access reference for organic reactions, yet the normal output is a html / pdf of the reaction procedure, and not a *.sdf (or other chemically relevant *.xml-like) format. Inorganic Synthesis is a publication with similar intent as the former ...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 ... Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, ... 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.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.For those who may be interested and looking for a list of 'Known (LaTeX) Chemistry Packages', there is an excellent, albeit a bit dated by internet standards (appears to be ~9 years old) summary of chemistry related LaTeX packages: "This is intended to be a complete list of chemistry related LaTeX packages. Still — nobody is perfect.Stack Exchange Q&A communities are different. Here's how: Expert communities. Each of our 182 communities is built by people passionate about a focused topic. The right answer. Right on top. Experts like you can vote on posts, so the most helpful answers are easy to find. Share knowledge. Earn trust.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.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 ...Aug 22, 2020 · 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. Niobium is a chemical element with atomic number 41 and is represented with the symbol Nb in the Periodic Table. It is a soft, ductile transition metal which is resistant to corrosion due to the presence of an oxide layer on its surface. It is one of the most common elements found in the Earth’s Crust. It is often found in the pyrochlore mineral.Chemistry Meta Stack Exchange is moderated by you. Review queues contain posts (also known as review tasks) that might need community attention, as determined by the …It’s important to have a variety of options when you’re looking for a new internet service plan so you can find the best one for your needs. If you’re already an AT&T cellular customer — or even if you’re not — you might be interested in si...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.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.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 ...Chemistry Stack Exchange. Q&A for scientists, academics, teachers, and students in the field of chemistry (104,769 total users) Oct 22, 2023 - Oct 22, 2023 ... These friendly reputation leagues are an informal way of tracking your reputation within the community on a particular Stack Exchange. Reputation is capped at 200 per day, ...My chemistry book explains that even though electrons in the $\mathrm{2p}$ orbital are closer to the nucleus on average, electrons from the $\mathrm{2s}$ orbital spend a very short time very close ... Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online ...6. NO, we can't melt wood! From primary level we have learned that solid melts to liquid at certain temperature and on increasing the temperature further it change into gaseous. But that is not the case always. The problem with melting wood revolves around what combustion is, and what temperature the combustion of wood happens at.Q&A for scientists, academics, teachers, and students in the field of chemistry Stack Exchange Network 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.Applications of stacks, including function calling, implement discipline to a system. A stack is a special type of data structure that can be viewed as a linear structure acting like a physical stack or pile.Of these, 4 are mathematics books, 3 are chemistry books, 2 are history books, and 1 is a language book. Ms. Jones wants to arr... Stack Exchange Network 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 …Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, ... $\begingroup$ As an undergraduate chemist who wanted to learn more about QM, Griffiths was the perfect choice as well. Dirac was difficult to read, would not recommend as introductory textbook. ...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.The vapour pressure of water at 80º C is 355 torr. A 100 ml vessel contained water saturated oxygen at 80º C, the total gas pressure being 760 torr. The contents of the vessel were pumped into a 50.0 ml, vessel at the same temperature. What were the partial pressures of oxygen and of water vapour, what was the total pressure in the final ...1. Chemistry.SE is a site to ask questions about chemistry. Meta.Chemistry.SE is a site to ask questions about the site Chemistry.SE. What is MCQ? – Dan Bron. Jan 12, 2017 at …The absorption (reduced reflectance) seen at lower wavelengths by silver and gold is caused by an electron transition (caused by the absorption of light) between their 4d → 5s 4 d → 5 s and 5d → 6s 5 d → 6 s orbitals respectively. Silver absorbs (reflects less) in the ultraviolet, no visible light is appreciably absorbed.Q&A for scientists, academics, teachers, and students in the field of chemistry Stack Exchange Network 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.Chemistry Stack Exchange uses MathJax to render LaTeX syntax. You can use single dollar signs to delimit inline equations, and double dollars for blocks: The equation $ 3x^2 + 5x +1 = 0 $ has the solutions $$ x_{1,2} = \frac{-5 \pm \sqrt{5^2-12}}{6} $$ Learn more: MathJax help.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, ... Chemistry studies very specific things: the phenomena in which atoms in molecules reorganize into different molecules (reactions) and the structure of these molecules as an organized collection ...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. Sign …. Stack Exchange. log in. users (54) rooms (33) faq; RoomsThanks for contributing an answer to Chem 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.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 ... Q&A for scientists, academics, teachers, and stu 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. 5. Yes every reaction is an equilibrium....

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