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The notes address updates to technical content across multiple chemistry sections, including acids and bases, pH measurement, and chemical reactions. Specific explanations and example calculations are revised, such as relationships between reactant concentration and voltage, the interpretation of pH values, and stoichiometry for solution reactions and balanced reaction balancing.",{"@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/fe-other-disciplines-practice-exam-and-technical-study-guide-errata-updated-version-note/300383/",{"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/fe-other-disciplines-practice-exam-and-technical-study-guide-errata-updated-version-note/300383.png","ImageObject",300,407,{"name":92,"@type":93},"Sage","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-09-18",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What timeline do these errata changes reference?","Question",{"text":113,"@type":114},"The updates incorporate all changes shown in webpage comments and email comments as of January 1, 2021.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How does reactant concentration affect voltage potential in the noted correction?",{"text":118,"@type":114},"Lower reactant concentration causes the voltage potential to drop; the opposite would hold if reactant concentration is greater than product concentration.",{"name":120,"@type":111,"acceptedAnswer":121},"What is the key relationship for interpreting pH on the pH scale?",{"text":122,"@type":114},"The pH scale is logarithmic and inversely indicates hydrogen ion amount; more hydrogen ions lead to lower pH, and a higher pH indicates a basic solution while a lower pH indicates an acidic solution.","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},300383,1789774126,{"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":81,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":130,"read_time":39,"preview_page_count":4},687197207057,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","# FE Other Disciplines Practice Exam and Technical Study Guide Errata\n\nThis product has been updated to incorporate all changes shown in the comments on thewebpage and email comments as of January 1,2021.  \nIf you have purchased this product prior to this date and wish for the latest version then pleaseemail Justin Kauwale at contact@enaproquides.com or vou can use this document to see thechanges that were made.  \n△E=(1.1)-0.014=1.086V  \nThe lowered concentration of reactants causes the voltage potential to drop.The oppositewould be true if the concentration of reactants was greater than the concentration of products.  \n## 3.0 ACIDS &BASES\n\nAn acid is a compound that donates a proton.A base is a compound that accepts a proton.Themost common examples of acids and bases are shown below.  \nAcid→H+(gives +proton to become neutral)Base→OH(accepts +proton to become neutral)  \n## 3.1 MEASURING PH\n\nA typical pH sensor that will measure the acidity or basicity level of a liquid solution.The pH scaleis a logarithmic scale that inversely indicates the amount of hydrogen ions in the liquid solution.The more hydrogen ions in a solution will result in a lower pH.A high pH is indicative of a basicsolution.The less hydrogen ions in a solution will result in a higher pH.A low pH is indicative ofan acidic solution.  \nAcidic→ph\u003C7→More H+&Less OHBasic→ph>7→Less H+&More OH-  \nThe FE handbook has the pHequation shown in its Chemistry section,which is also shown below.  \nCopyright回2020 Engineering Pro Guides,LLC. Licensed for individual use only  \nAs you can see,pH is a function of the concentration hydrogen ions as opposed to the hydroxideions.  \n## 4.0 CHEMICAL REACTIONS\n\nA chemical reaction changes a substance(s)chemical identity.A substance's chemical identityconsists of the type,number and configuration of the substance's atoms.As anexample,considerthe following chemical reaction which converts methane and oxygen into carbon dioxide andwater.  \nCH₄+20₂→CO₂+2H₂O  \nThe methane and oxygen's chemical identity have been changed.This type of chemicalreaction is called combustion.  \n(a)-4  \n(b)-3  \n(c)-2  \n(d)+1  \n## 6.5 SOLUTION5-CHEMICAL REACTIONS\n\nGiven the following chemical reaction and 2L of a 1.0MHCL solution and 1.5 L of a0.5M NaOHsolution,what willbe the number of NaCl moles produced?  \nHCl+NaOH→NaCl+H₂O  \nFirst,you need to determine the number of moles of each reactant.  \nThe NaOH is the limiting reactant.The moles of NaCl produced will equal the number of NaOHmoles,so the moles of water produced will be 0.75 moles.  \nThe correct answer is most nearly,(a)0.75 mols.  \n(a)0.75  \npyright O2020 Engineering Pr Guides,LLC.Licensed for individual use only.  \n(b)1.0  \n(c)1.5  \n(d)2.0  \n## 6.6 SOLUTION6-CHEMICAL REACTIONS\n\nGiven the following chemical reaction and 10 mg of HCI,what will be the number of Mg moles tocreate a balanced chemical reaction?  \n_Mg+  \nHCl→  \nMgCl₂+  \nH₂  \n   \n   \n   \n   \nFirst,you need to balance the chemical reaction.Start with the most complex reactant,which isHCI.  \n_Mg+2HCl→  \nMgCl₂+1H₂","cbCailqc1pCoWwHH","https://ap.wps.com/l/cbCailqc1pCoWwHH","pdf",459763,"English","# FE Other Disciplines Practice Exam and Technical Study Guide Errata\n## 3.0 Acids & Bases\n## 3.1 Measuring pH\n## 4.0 Chemical Reactions\n## 6.5 Solution 5-Chemical Reactions\n## 6.6 Solution 6-Chemical Reactions","[{\"question\":\"What timeline do these errata changes reference?\",\"answer\":\"The updates incorporate all changes shown in webpage comments and email comments as of January 1, 2021.\"},{\"question\":\"How does reactant concentration affect voltage potential in the noted correction?\",\"answer\":\"Lower reactant concentration causes the voltage potential to drop; the opposite would hold if reactant concentration is greater than product concentration.\"},{\"question\":\"What is the key relationship for interpreting pH on the pH scale?\",\"answer\":\"The pH scale is logarithmic and inversely indicates hydrogen ion amount; more hydrogen ions lead to lower pH, and a higher pH indicates a basic solution while a lower pH indicates an acidic solution.\"}]","FE Other Disciplines Practice Exam and Technical Study Guide Errata - Updated Version Note | PDF"]