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The publication compiles 29 theoretical problems and 5 practical problems with content spanning kinetics, thermodynamics, quantum mechanics, spectroscopy, and mass spectrometry, alongside practical topics such as synthetic techniques and simple conductivity measurements. It includes author and university listings, advanced difficulty fields, table of contents, and bibliographic/copyright and permissions notes for educational use.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/the-preparatory-problems-from-the-international-chemistry-olympiads-series-2-41st-preparatory-problems/402004/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/the-preparatory-problems-from-the-international-chemistry-olympiads-series-2-41st-preparatory-problems/402004.png","ImageObject",300,407,{"name":92,"@type":93},"Anna Hans","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-01","2026-09-27",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",12,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What does the 41st IChO preparatory problems section include?","Question",{"text":113,"@type":114},"It includes 29 theoretical problems and 5 practical problems listed under the table of contents.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"Which theoretical topics are covered in the difficulty fields?",{"text":118,"@type":114},"Topics include kinetics (e.g., rate equations and mechanisms), thermodynamics (electrochemical cells and equilibrium relations), quantum mechanics (angular momentum and magnetic moments), spectroscopy (NMR interpretation), and mass spectrometry (fragmentation basics).",{"name":120,"@type":111,"acceptedAnswer":121},"What practical problem themes are referenced in the document?",{"text":122,"@type":114},"Practical themes include filtration, recrystallisation, drying of precipitates, thin-layer chromatography, and using a simple digital conductivity meter.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},402004,1791126400,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":145,"read_time":146,"preview_page_count":4},5909892332657,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","THE PREPARATORY PROBLEMS FROM THE INTERNATIONAL CHEMISTRY OLYMPIADS  \nSeries 2  \n38th – 42 nd IChOs  \n2006 – 2010  \nEdited by Anton Sirota  \nIChO International Information Centre  \nIUVENTA, Bratislava, 2017  \nTHE PREPARATORY PROBLEMS FROM THE INTERNATIONAL CHEMISTRY OLYMPIADS, Series 2  \nThe preparatory problems from the 38th – 42nd IChOs  \nEditor: Anton Sirota  \nIChO International Information Centre, Bratislava, Slovakia  \nISBN 978-80-8072-171-8 Copyright © 2017 by IUVENTA  \nIssued by IUVENTA in 2017  \nwith the financial support of the Ministry of Education of the Slovak Republic  \nNumber of copies: 200 Not for sale.  \nYou are free to copy, distribute, transmit or adapt this publication or its parts for unlimited teaching purposes, however, as it is usual and required in the chemical literature, you are obliged to attribute your copies, transmissions in internet or adaptations with a reference to:  \n\"The Preparatory Problems from the International Chemistry Olympiads, Series 2\", ed.:Anton Sirota, Iuventa, Bratislava, 2017”  \n. The above conditions can be waived if you get permission from the copyright holder.  \n:  \nInternational Chemistry Olympiad  \nInternational Information Centre IUVENTA  \nDirector: Anton Sirota Karloveská 64  \n84258 Bratislava 1, Slovakia Phone: +421-907-473367  \nE-mail: [anton.sirota@stuba.sk](anton.sirota@stuba.sk)  \n[Web: www.icho.sk](Web: www.icho.sk)  \n41st  \nPREPARATORY PROBLEMS  \nEdited by Anton Sirota  \n29 theoretical problems  \n5 practical problems  \n2009  \nTHE PREPARATORY PROBLEMS FROM THE INTERNATIONAL CHEMISTRY OLYMPIADS, Series 2  \nThe Preparatory Problems from the 41st IChO  \nEdited by Anton Sirota  \nIChO International Information Centre, Bratislava, Slovakia  \nISBN 978-80-8072-171-8 Copyright © 2017 by IUVENTA  \nYou are free to copy, distribute, transmit or adapt this publication or its parts for unlimited teaching purposes, however, you are obliged to attribute your copies, transmissions or adaptations with a reference to \"The Competition Problems from the International Chemistry Olympiads, Volume 1, ed.: Anton Sirota, Iuventa, Bratislava\" as it is required in the chemical literature. The above conditions can be waived if you get permission from the copyright holder.  \nIssued by IUVENTA in 2017  \nwith the financial support of the Ministry of Education of the Slovak Republic  \nNumber of copies: 200 Not for sale.  \nInternational Chemistry Olympiad  \nInternational Information Centre  \nIUVENTA  \nKarloveská 64  \n84258 Bratislava 1, Slovakia Phone: +421-907-473367  \nE-mail: [anton.sirota@stuba.sk](anton.sirota@stuba.sk)  \n[Web: www.icho.sk](Web: www.icho.sk)  \nThe original title page:  \nProblem Authors  \nStephen Ashworth Jonathan Burton  \nJon Dilworth Nicholas Green Philip Mountford William Nolan Jeremy Rawson Kathryn Scott Malcolm Seddon Simon Titmuss Claire Vallance Peter Wothers  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nUniversity  \nof  \nof  \nof  \nof  \nof  \nof  \nof  \nof  \nof  \nof  \nof  \nof  \nEast Anglia Oxford  \nOxford  \nOxford  \nOxford Cambridge  \nCambridge Oxford East Anglia Oxford  \nOxford Cambridge  \nFields of Advanced Difficulty  \nTheoretical  \nKinetics: integrated first-order rate equation; analysis of moderately complex reactions mechanisms using the steady state approximation, the use of the Arrhenius equation, simple collision theory  \nThermodynamics: electrochemical cells, the relationship between equilibrium constants, electromotive force and standard Gibbs energy, the variation of the equilibrium constant with temperature  \nQuantum mechanics: calculation of orbital and spin angular momentum , calculation of the magnetic moment using the spin-only formula  \nSpectroscopy: interpretation of relatively simple 13C and 1 H NMR spectra; chemical shifts, multiplicities, coupling constants and integrals  \nMass spectrometry: molecular ions and basic fragmentation  \nPractical  \nSynthetic tec","cbCaicXr7QGLRsWg","https://ap.wps.com/l/cbCaicXr7QGLRsWg","pdf",4584096,107,"English","# Contents\n## Theoretical problems\n## Practical Problems","[{\"question\":\"What does the 41st IChO preparatory problems section include?\",\"answer\":\"It includes 29 theoretical problems and 5 practical problems listed under the table of contents.\"},{\"question\":\"Which theoretical topics are covered in the difficulty fields?\",\"answer\":\"Topics include kinetics (e.g., rate equations and mechanisms), thermodynamics (electrochemical cells and equilibrium relations), quantum mechanics (angular momentum and magnetic moments), spectroscopy (NMR interpretation), and mass spectrometry (fragmentation basics).\"},{\"question\":\"What practical problem themes are referenced in the document?\",\"answer\":\"Practical themes include filtration, recrystallisation, drying of precipitates, thin-layer chromatography, and using a simple digital conductivity meter.\"}]","THE PREPARATORY PROBLEMS FROM THE INTERNATIONAL CHEMISTRY OLYMPIADS, Series 2 - 41st Preparatory Problems | PDF",1790526112,270]