AP Chemistry · Free-response questions 2010

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

Question 1

Open answer
Question 1 — 1. Several reactions are carried out using AgBr, a cream-colored silver salt for which the value of the solubility- product constant, Ksp, is 5.0 × 10−13 at 298 K. (a) Write the expression for the solubility-product…

Source: College Board — AP Chemistry, Free-response questions, 2010

Question 2

Open answer
Question 2 — 2. A student performs an experiment to determine the molar enthalpy of solution of urea, H2NCONH2. The student places 91.95 g of water at 25°C into a coffee-cup calorimeter and immerses a thermometer in the water. After…

Source: College Board — AP Chemistry, Free-response questions, 2010

Stuck on an exercise?

Our tutors clear up your doubts one to one — online, or in person with a local tutor.