Everything you need to know about the AP Chemistry Equation Sheet

When starting AP Chemistry many students have questions or worries about the data and information they will receive when they write the AP exam in May. This articles will answer those questions.

1. Where can I find the equation sheet I will receive on exam day?

Here.

2. Is the equation sheet given digitally or as a paper copy?

Both. The periodic table and the equation sheet are provided in the Bluebook software, and also as a paper sheet given to you by your proctor on exam day. You do not need to bring it.

3. The equation sheet doesn't have a list of constants, like K_a's, K_sp's, standard reduction potentials, etc. Do I need to memorize those?

Those are not provided as a seperated data booklet. Instead, any required values for the questions are given directly in the prompt of the question you are answering.

4. Are all the equations I need on the formula sheet?

Yes. All the equations you may need for the AP Chemistry exam are provided on the equation sheet. However, you will often need to algebraically manipulate these equations to solve a particular question.

For example, the ideal gas law is provided on the equation sheet as:

PV = nRT

However, you could be required to solve for temperature (T), which requires you to rearrange the equation:

T = PV/nR

There are also a few equations that require you to use exponential and logarithmic rules, which many students find more challenging to manipulate. For example:

ΔG° = −RTlnK

You could be required to solve for K, which requires you to rearrange the equation to:

K = e^−ΔG°/RT

It is worth learning and practicing these types of algebraic, logarithmic, and exponential manipulations before the exam. You do not need to memorize additional chemistry equations, but you do need to be comfortable manipulating and applying the equations that are provided.