AP Chemistry · Free-response questions 2021

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

Official paper (PDF) · QuestionsAll AP Chem papers→

Question 4

Open answer
Question 4 — Begin your response to QUESTION 4 on this page. 4 F e , s ol i d, p l u s 3 O 2, g a s, rea c t t o produce 2 F e 2 O 3, solid. delta H naught equals, negative 1650 kilojoules per mole of reaction 4. A student…

Source: College Board — AP Chemistry, Free-response questions, 2021

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