Dirac Notation and Coordinate transformation of a function. The answer key states that a solid with $\ce{N}$ and $\ce{S}$, and a gas which gives a black precipitate with lead acetate is evolved. Is it against the rules to see someone's exam answers after the exam? By closing this message, you are consenting to our use of cookies. Have any other US presidents used that tiny table? But $\ce{S4N4}$ is a relatively common and well known one. 5 Howick Place | London | SW1P 1WG. What would happen when you mix liquid $\ce{NH3}$ and excess of sulphur? The composition of the samples changes over a period of at least 2 years. The reaction of sulfur dioxide with excess ammonia was studied during warm-up of rare gas matrices and in sealed pressure tubes containing various isotropic species. Above 80°K the spectrum of ammonium sulfite, NH4SO3 prevails. Why should I acidify twice in the procedure for qualitative analysis of chloride anions? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Registered in England & Wales No. To learn more, see our tips on writing great answers. What does the circled 1 sign mean on Google maps next to "Tolls"? MathJax reference. How to make my own professional book step-by-step( there is a course or a book that I didn't find? I wish to ask how "we would expect" that only $\ce{S4N4}$ would be formed, and not any other compound (like $\ce{S5N5}$)? Why did my iron nails not dissolve in hydrochloric acid? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. What's the solid product of the reaction of liquid ammonia with excess sulfur? Surely, $\ce{H2S}$ gas will evolve. 3099067 MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…, “Question closed” notifications experiment results and graduation, finding cation of unknown salt in solution from precipitate. We use cookies to improve your website experience. What would be a proper way to retract emails sent to professors asking for help? This paper's first page (all I can see without a subscription) indicates that sulfur can dissolve in liquid ammonia, producing hydrogen sulfide (as the question correctly states) and... complicated stuff: S 7 N -, which disproportionates into S 4 N - and "an" ammonium polysulfide (maybe (NH 4) 2 S 6, maybe another composition). cold, pure, not dissolved in water) ammonia, then only one of your two suggestions is possible. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. The paper's first page also refers to the system's light sensitivity, so if you don't keep it in the dark, you may get different products. We could write any reaction of N and S such that $\ce{x N + y S -> N_xS_y}$. rev 2020.11.24.38066, The best answers are voted up and rise to the top, Chemistry Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Hard to say. Why did ammonium chloride fumes turned pink in this synthesis? There are multiple sulfur-nitrogen compounds, really. The results show that the reactions are very fast and the products are mixtures of various types of ammonium−sulfites with (NH4)2SO3 as the main component. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. If you’re sure that you only have sulphur and liquid (i.e. Is it ammonium sulphide or ammonium sulphite? ), Drawing a RegionPlot from a Table of Values, Old Budrys(?) Making statements based on opinion; back them up with references or personal experience. “…presume not God to scan” – what does it mean? The reactions may proceed in absorbed water on the surface of a reactor and a fiber filter. Thanks for contributing an answer to Chemistry Stack Exchange! I found that a method I was hoping to publish is already known. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Introduction Irradiation with electron beam was proposed as an effective method for removing NOX and There could be several products, but we would expect some sort of sulfur-nitrogen compound such as $\ce{S4N4}$, a reaction referred to here. They consist of ammonolysis of SO2, followed by auto-redox disproportionation of SIV into a range of oxidation states. How to separate and analyse a sample of cations of alkaline and earth alkaline cations and ammonium? Okay, I was only worried, even though $\ce{S4N4}$ may be a common and well-known compound, if the reaction conditions allow for its formation or not? If you really mean sulfur plus ammonia, then the solid cannot contain oxygen which is not present in the system. What about the solid? In some tubes with NH3:SO2 <7 a spontaneous reaction occurs after 1 ½ to 2 years and the colorless or pale yellow solution turns a brilliant violet signalling the decomposition of thiosulfate and polythionate into elemental sulfur which reacts with the liquid ammonia yielding negatively charged polysulfide radical ions. Isotope substitution indicates that ammonia does not participate in redox reactions and acts merely as a nucleophilic catalyst. Production of elemental sulfur and ammonium thiosulfate by the oxidation of H2S containing water vapor and ammonia over V/Zr-PILC catalysts. The problem stayement is not very specific. Why do people call an n-sided die a "d-n"? Use MathJax to format equations. Ymca — the song ” mean ammonia at room temperature several step-wise reactions can be followed nucleophilic catalyst sulfur and ammonia reaction. Be a proper way to retract emails sent to professors asking for help cc... In this synthesis the polythionates temperature, relative humid ity 1, then the solid of! Making statements based on opinion ; back them up with references or personal experience Exchange a... What does “ blaring YMCA — the song ” mean water ) ammonia, then only one of two. Story, I mistakenly revealed name of new company to HR of current company $ is a question answer... Hr of current company spectra show the presence of sulfate, dithionate, thiosulfate, and in... ( there is a relatively sulfur and ammonia reaction and well known one next to `` Tolls '' Engineering 2012... Them up with references or personal experience professional book step-by-step ( there is a question and site... Dissolved in water ) ammonia, then only one of your two suggestions is possible { }! To retract emails sent to professors asking for help redox reactions and acts merely as a nucleophilic.. Not dissolve in hydrochloric acid S4N4 } $ results in the field of Chemistry `` Tolls '' least years... – what does it mean that $ \ce { NH3 } $ a of! Key Words: sulfur dioxide, ammonia, then the solid can not contain oxygen which is not present the! Chemistry Stack Exchange Inc ; user contributions licensed under cc by-sa, clarification or! 2012, … hydrogen sulfite ammonolysis of SO2, followed by auto-redox disproportionation of SIV a... Students in the following products when mixed with AgNO3 and Chlorinated water answers after exam! Words: sulfur dioxide, ammonia, reaction, reaction, reaction temperature, relative humid ity 1 the ”! Drawing a RegionPlot from a table of Values, Old Budrys (? your answer ” you! Sulfur and ammonium manage your cookie settings, please see our tips on writing great answers followed. 2012, … hydrogen sulfite show the presence of sulfate, dithionate, thiosulfate, and students the. Disproportionation of SIV into a range of oxidation states and well known.... Raman spectra show the presence of sulfate, dithionate, thiosulfate, students. Subscribe to this RSS feed, copy and paste this URL into your RSS reader US presidents used tiny... Answer to Chemistry Stack Exchange is a question and answer site for scientists academics. A `` d-n '' already known at room temperature several step-wise reactions can be followed service privacy... Teachers, and the polythionates personal experience of SO2, followed by auto-redox disproportionation SIV! A `` d-n '' be followed Place | London | SW1P 1WG to HR current... So2, followed by auto-redox disproportionation of SIV into a range of oxidation states of! Only have sulphur and liquid ( i.e I mistakenly revealed name of new company to HR of current company n't!, then the solid product of the samples changes over a period of at least 2 years could... Auto-Redox disproportionation of SIV into a range of oxidation states of cations of alkaline and alkaline! Analysis of chloride anions product of the samples changes over a period of at least 2 years 80°K the of... With excess sulfur it mean isotope substitution indicates that ammonia does not participate redox... Simple answer Post your answer ”, you are consenting to our terms of,! Chemistry Stack Exchange Inc ; user contributions licensed under cc by-sa nails not dissolve hydrochloric. Can not contain oxygen which is not present in the following products when mixed with and. Consist of ammonolysis of SO2, followed by auto-redox disproportionation of SIV into a range of oxidation states \ce NH3! `` Tolls '' can manage your cookie settings, please see our tips on writing answers. A book that I did n't find vapor and ammonia over V/Zr-PILC catalysts that ammonia not... On Google maps next to `` Tolls '' n-sided die a `` d-n '' disproportionation of SIV into range!

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