Become a pro at adding and subtracting exponents in your head.
Here is a streamlined guide to help you dominate the 60 multiple-choice questions and 7 free-response questions (FRQs). 1. The "Big Three" Heavy Hitters Cracking the AP Chemistry Exam
Expect to draw or interpret "dots in a box." Practice representing physical vs. chemical changes using circles to ensure you aren't losing atoms (Conservation of Mass). 3. Math Without a Calculator The Multiple Choice section is no-calculator . Estimation is your best friend: If you see , treat it as Become a pro at adding and subtracting exponents
Usually, only one point on the entire exam is dedicated specifically to sig figs—don't let them paralyze you, but keep them in mind for the FRQs. The "Big Three" Heavy Hitters Expect to draw
State your direct answer (e.g., "The boiling point of NH3cap N cap H sub 3 is higher.")
Understand that nature is lazy (it wants low energy/Enthalpy) and messy (it wants high disorder/Entropy). Equilibrium is just the point where those two tendencies find a compromise.
Cite the data provided or the specific intermolecular forces involved. Reasoning: Connect the two. "Because NH3cap N cap H sub 3