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(a) Free energy change G (b) Entropy Change S (c) Heat of Vaporization (d) Heat of Fusion (e) Specific Heat Capacity 2.on the AP Chemistry exam. Determine how much time you have before the exam and how much time you can devote to prepare for the exam. Answering these questions will help you set a pace for your review. 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Teacher s ar e permitted to download the material s an d mak e copies to use wit h thei r student s in a classroo m settin g onl y. T o maintai n th e securit y of this exam , teacher s ...b. ΔHof for N2O5 (g) Study with Quizlet and memorize flashcards containing terms like The chemical reaction between HCl (aq)HCl (aq) and NH3 (aq)NH3 (aq) is represented above. A student combines equimolar amounts of HCl (aq)HCl (aq) and NH3 (aq)NH3 (aq), both solutions initially at 24°C24°C, in a coffee-cup calorimeter.The topics covered in the AP Chemistry course and exam are: Structure of Matter. States of Matter. Reactions. Descriptive Chemistry. Laboratory. PracticeQuiz presents 58 free AP Chemistry test review questions covering a cross-section of exam topics. Disclaimer: This content is provided for informational purposes only.2014-15 AP Coordinator’s Manual. for exam seating requirements (pages 48–50, 88) . 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