PUT YOUR UNDERSTANDING TO WORK

Practice with purpose.

Choose your focus. Build understanding, one question at a time.

YOUR FOCUS

Topic 5.1 · Reaction Rates

11 MCQ questions available in this scope.

Completed scores · My progress
Question 1 of 110 checked

Your first graded answer counts.

How scoring works

Selections are kept when you move between questions. Finish grades any remaining selections; unanswered questions count as incorrect. Retries help you learn without changing your first score. Finished results go to My progress; unfinished answers stay in this session.

AP Chemistry · Topic 5.1: Reaction RatesOpen topic

Practice question

Original PrepAtlas question. This is not an official College Board question.

At constant volume, N2O5 decomposes by 2N2O5 → 4NO2 + O2. Its concentration decreases from 0.800 M to 0.680 M in 40.0 s. What is the average rate of NO2 formation over this interval?
Back to AP ChemistryFRQs and mixed sessions are not available yet.