AP Chemistry · Free-response questions 2016

7 questions, each with its course unit and the official scoring guidelines.

Official paper (PDF) · QuestionsAll AP Chem papers→

Question 1

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Question 1 — 1. A student investigates the enthalpy of solution, delta H solutio n, for two alkali metal halides, L i C l and N a C l. In addition to the salts, the student has access to a calorimeter, a balance with a precision of…

Source: College Board — AP Chemistry, Free-response questions, 2016

Question 3

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Question 3 — M plus I 2 react to produce M I 2 3. To determine the molar mass of an unknown metal, M, a student reacts iodine with an excess of the metal to form the water-soluble compound M I 2, as represented by the equation…

Source: College Board — AP Chemistry, Free-response questions, 2016

Question 4

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Question 4 — C 6 H 5 O H aqueous, p l us, H 2 O liquid, is in equilibrium with, C 6 H 5 O with a negative one charge aqueous, plus, H 3 O with a positive one charge aqueous K a equals one point one 2 times 10 to the negative 10 4.…

Source: College Board — AP Chemistry, Free-response questions, 2016

Question 5

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Question 5 — 2 C 4 H 6 gas reacts to produce C 8 H 12 gas 5. At high temperatures the compound C 4 H 6 (1,3-butadiene) reacts according to the equation above. The rate of the reaction was studied at 625 kelvin in a rigid reaction…

Source: College Board — AP Chemistry, Free-response questions, 2016

Question 6

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Question 6 — B a with a positive 2 char ge aqueous, plus, E D T A with a negative 4 charge aqueous is in equilibrium with B a, E D T A with a negative 2 charge aqueous K equals 7 point 7 times 10 to the 7 6. The polyatomic ion C 10…

Source: College Board — AP Chemistry, Free-response questions, 2016

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Question 7

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Question 7 — 7. A student is given a 25 point zero milliliter sample of a solution of an unknown monoprotic acid and asked to determine the concentration of the acid by titration. The student uses a standardized solution of Zero poi…

Source: College Board — AP Chemistry, Free-response questions, 2016

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