AP Chemistry Practice Test
Gana confianza para AP Chemistry. Practica los conceptos, comprende las respuestas y refuerza tus conocimientos pregunta a pregunta.
Probar una preguntaDescripción y detalles del examen
This AP Chemistry Practice Test is a comprehensive diagnostic and preparation tool designed for students enrolled in Advanced Placement Chemistry or anyone seeking to master college-level general chemistry concepts. The exam covers the full breadth of the AP Chemistry curriculum, including Acids and Bases, Applications of Thermodynamics, Atomic Structure and Properties, Chemical Reactions, Equilibrium, Intermolecular Forces and Properties, Kinetics, Molecular and Ionic Compound Structure and Properties, and Thermodynamics. With 43 carefully constructed questions, this practice test mirrors the style, rigor, and conceptual depth of the official AP exam. It is ideal for students preparing for the AP exam in May, as well as for learners in introductory college chemistry courses who want to assess their understanding and identify areas for improvement. By taking this test, students will gain a clear picture of their strengths and weaknesses across all major topics, develop the ability to apply chemical principles to novel situations, and build the confidence needed to perform well under timed conditions. The test emphasizes both conceptual understanding and quantitative problem-solving, requiring students to interpret data, perform calculations, and justify reasoning. Detailed answer explanations are provided to reinforce learning and clarify common misconceptions.
Preguntas de Muestra
Elige una respuesta y consulta la explicación para ver cómo funciona la práctica.
A student is revising a model after comparing it with AP Chemistry source principles. Which revision is best? The evidence is a concentration stress at constant temperature.
A es correcto porque los estreses de concentración cambian solo Q y la redistribución restaura Q = K. B confunde temperatura con concentración, C contradice la reequilibración, y D ignora la respuesta al estrés.
In a mechanism, the first elementary reaction is not rate limiting. What is needed to determine a rate law expression?
La respuesta A es correcta porque la fuente indica que se necesitan aproximaciones como pre-equilibrio. B y C ignoran la condición, y D conflictúa con la exclusión del enunciado.
A mass spectrum of a single element has two isotopic peaks at masses 10 and 11 with relative abundances of 20% and 80%. What average atomic mass is estimated?
La respuesta A es correcta porque el peso atómico promedio se estima con un promedio ponderado de las masas de los isótopos y sus abundancias relativas. B invierte las abundancias, C suma las masas sin ponderar y D asume una abundancia igual.
A laboratory team is choosing the best explanation for a result. Which choice is most defensible? The evidence is a salt dissolving into ions in a saturated solution.
A es correcto porque la disolución del sal es reversible y se describe mediante Ksp. B, C y D contradicen la fuente.
For a standard process with Delta G naught less than 0, which equilibrium statement is supported?
A es correcto porque favorable termodinámicamente significa Delta G naught < 0 y productos favoritos con K > 1. B invierte la relación, C solo se aplica cerca de cero de manera cualitativa, y D contradice la definición.
Qué temas cubre este examen
Usa las ponderaciones publicadas de los dominios para planificar tu estudio. Los resultados de práctica no predicen tu puntuación en el examen de certificación.