BARRON'S AP Chemistry by Neil D. Jespersen Ph.D., Pamela Kerrigan
By Neil D. Jespersen Ph.D., Pamela Kerrigan
Up to date to mirror the recent may possibly 2014 AP Chemistry examination, this guide contains: six perform AP tests with all questions spoke back and defined, a complete topic assessment masking all attempt subject matters, plus research assistance and test-taking options.
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Extra info for BARRON'S AP Chemistry
1. Percentage composition 2. Empirical formulas from experimental data and molecular formulas from empirical formulas 3. Molar masses from gas density measurements 4. Gas laws, including the ideal gas law and Dalton’s law of partial pressures 5. Stoichiometric relations using the concept of the mole; titration calculations 6. Mole fractions and molar solutions 7. Faraday’s laws of electrolysis 8. Equilibrium constants and their applications, including their use for simultaneous equilibria 9. Standard electrode potentials and their use 10.
There is no penalty for wrong answers, and there is no penalty for leaving a question unanswered. Highly trained high school and college chemistry teachers using a predefined scoring system grade the free-response section. Scoring is reviewed several ways to ensure consistent results. In addition, different readers grade each question to avoid carryover from one question to the next. Exams are chosen randomly for rescoring to be sure that scores do not drift during the scoring sessions. Scores for Sections I and II are combined to obtain an overall score.
Mole fractions and molar solutions 7. Faraday’s laws of electrolysis 8. Equilibrium constants and their applications, including their use for simultaneous equilibria 9. Standard electrode potentials and their use 10. Thermodynamic and thermochemical calculations 11. Kinetics calculations CALCULATOR POLICY The policy toward calculators used on the AP Chemistry Examination has evolved with the power and capabilities of calculators themselves. The intent of the policy is to make the examination fair to all students.