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The 2014 AP Chemistry exam was the first administration of a redesigned test as a result of a redesigning of the AP Chemistry course. The exam format is now different from the previous years, with 60 multiple choice questions (now with only four answer choices per question), 3 long free response questions, and 4 short free response questions.
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
LibreTexts (formerly called STEMHyperlibrary [1] and ChemWiki [2]) is a 501(c)(3) nonprofit [3] online educational resource project. The project provides open access to its content on its website, and the site is built on the proprietary Mindtouch platform. [4]
Those courses include AP Biology, AP Calculus, AP Drawing, AP Chemistry, AP Macroeconomics, AP Microeconomics, AP English Language, AP US Government and Politics, AP ...
General chemistry professors have been known to make tests worth a large portion of the course, and make them more challenging than the material presents itself as. Grade deflation, purposely adjusting the grades of a course to be lower, is also an issue of general chemistry courses at the undergraduate level.
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Once the presence of certain substances in a sample is known, the study of their absolute or relative abundance could help in determining specific properties. Knowing the composition of a sample is very important, and several ways have been developed to make it possible, like gravimetric [3] and volumetric analysis. Gravimetric analysis yields ...
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