The APsolute RecAP: Chemistry Edition

The APsolute RecAP: Chemistry Edition - Episode 62: Molecular Structure and Acid Strength

All hydrohalic acids, but hydrofluoric acid, are strong acids. Why is that (0:31)? Strong acids fully dissociate and have a large Ka, weak acids only dissociate to a smal

The APsolute RecAP: Chemistry Edition - Episode 61: Unit 7 Selected FRQs

The FRQ questions on the AP exam often combine content from two or three different units. In today’s episode, we are emphasizing questions that require knowledge and skil

The APsolute RecAP: Chemistry Edition - Episode 60: Factors Affecting the Dissolution of a Salt

This episode is an application of earlier discussed concepts. In episode 33 we talked about disruptions affecting equilibrium: concentration, temperature and pressure. In

The APsolute RecAP: Chemistry Edition - Episode 59: Unit 6 selected FRQs

Unit 6 is all about the big idea Energy (0:46). Episode 59 discusses the questions 2021 - Question 4, 2017 - Question 5 and 2013 - Question 3. These are released FRQs fro

The APsolute RecAP: Chemistry Edition - Episode 58: Energy of Phase Changes

We are taking a closer look at what happens when hot water is cooled down or ice is heating up (0:30). After a brief review of the terminology of phase changes (1:11) we

The APsolute RecAP: Chemistry Edition - Episode 57: Unit 5 selected FRQs

Unit 5 is often a stand alone unit and offers a unique perspective on reactions. Episode 57 discusses the questions 2010B - Question 6 and 2019 - Question 6. These are re

The APsolute RecAP: Chemistry Edition - Episode 56: Concentration Changes Over Time

An AP Chemistry classic experiment for concentration changes over time is determining the rate law of fading Crystal Violet. (1:07) If the reaction is zero order, the plo

The APsolute RecAP: Chemistry Edition - Episode 55: Unit 4 Selected FRQs

Unit for is a mix of foundational skills, like stoichiometry, and an introduction to later topics (0:32). The questions in this episode are: 2018 - Question 3 d) through

The APsolute RecAP: Chemistry Edition - Episode 54: Unit 3 Selected FRQs

The FRQs discussed in this episode are the question 4s from the 2019, 2018 and 2017 AP Exam. These are released FRQs from previous exams and copyright of the College Boar

The APsolute RecAP: Chemistry Edition - Episode 53: Beer-Lambert Law

Coffee needs to be “just right” and we can tell how strong it is by the color (0:30). We can use the color to determine concentration also in Chemistry (1:09). The color

The APsolute RecAP: Chemistry Edition - Episode 52: Deviation From Ideal Gas Law

Teachers wish students would always behave ideal, but in reality life happens and it gets messy (0:32). The same is true for gases: There is a difference between real and

The APsolute RecAP: Chemistry Edition - Episode 51: Types of Solids and Their Properties

Sitting in your room, you might have salted peanuts as a snack, a pencil, tea with sugar and you listen to this episode with earphones in (0:31). Sodium chloride, sugar,

The APsolute RecAP: Chemistry Edition - Selected Unit 1 and 2 Free-Response Questions

The FRQs discussed in this episode are 2008 - Question 2 and 5 as well as 2019 question 5. These are released FRQs from previous exams and copyright of the College Board

The APsolute RecAP: Chemistry Edition - Lewis Diagrams and Formal Charges

Lewis Diagrams give us information about the arrangement and bond order of compounds (0:23). There are four steps to write Lewis Structure: 1) Sum up available valence el

The APsolute RecAP: Chemistry Edition - Gravimetric Analysis

Do you have your own bathroom? Then you might be familiar with soap scum, which is the result of a combination of having hard water and soap (0:44). To determine how hard

The APsolute RecAP: Chemistry Edition - Empirical and Molecular Formulas

Switching glucose and formaldehyde would be really bad (0:42)! So let’s make sure we know the difference between empirical and molecular formulas! Our episode starts with

The APsolute RecAP: Chemistry Edition - Test Taking Tips 2021

The episode discusses and compares the structure of the two exam formats: the paper exams in May and the digital exam in June (0:50). Differences between the administrati

The APsolute RecAP: Chemistry Edition - FRQ Annotations

The FRQ section has 3 long and 4 short question sets which you will have 105 minutes to complete (0:52). Past free response questions are available on the College Board w

The APsolute RecAP: Chemistry Edition - Multiple Choice Strategies

You’ve made it through the year! Let’s hone our Multiple Choice skills to make sure we can show off our knowledge and skills! Our episode starts by discussing pacing: The

The APsolute RecAP: Chemistry Edition - Listener’s Choice III

Our listener’s choice recaps three topics: (R)ICE tables, titrations and buffers. We start with the RICE table - what does it actually stand for? (0:49). RICE tables are