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Explore timing and format for the AP Chemistry Exam. Review sample questions, scoring guidelines, and sample student responses.
Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
AP Chemistry is an introductory college-level chemistry course. Students cultivate their understanding of chemistry through inquiry-based investigations as they explore topics like atomic and molecular structure, chemical reactions, kinetics, equilibrium, and thermodynamics.
2025 AP Exam Dates. The 2025 AP Exams will be administered in schools over two weeks in May: May 5–9 and May 12–16. AP coordinators are responsible for notifying students when and where to report for the exams.
The AP Chemistry Lab Manual Resource Center provides information, links, and resources relating to the lab manual. The AP Chemistry Teacher Lab Manual is available through your Course Audit account.
Supporting Students from Day One to Exam Day – AP Central | College Board
We updated the course framework to provide a more complete and accurate description of the essential knowledge students must demonstrate on the AP Chemistry Exam and to address concerns around the topic sequencing and unit structure within the course.
Explore course-specific free-response questions, scoring information, and student samples from past exams.
Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each.
D = density KE = kinetic energy. v = velocity. M = molarity. = absorbance ε = molar absorptivity. b = path length. c = concentration Gas constant, R = 8.314 J mol − 1 K − 1. = 0.08206 L atm K − 1 mol − 1. STP = 273.15 K and 1.0 atm Ideal gas at STP = 22.4 L mol − 1.