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  3. AP Chem CRAM – Unit 3: Solutions & Beer's Law

ap chem cram – unit 3: solutions & beer's law

originally streamed in 2020 with Wes WinterTeacher
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Review session for AP Chem Unit 3 covering intermolecular forces, solutions, solubility, molarity, dilutions, light waves, photon energy, and Beer's Law. Perfect for exam prep and understanding key chemistry concepts. This cram session walks through ...more

curriculum note

This video was recorded during the 2020 COVID exam cycle and references an outdated exam format (handwriting answers, photo upload, shortened FRQ timing). It also incorrectly states that electrochemistry (galvanic/voltaic cells) will not be on the exam — Unit 9 electrochemistry content IS tested on the current AP Chemistry exam.

covered in this stream

units
Unit 3 – Properties of Substances and Mixtures
topics
3.7 Solutions and Mixtures3.8 Representations of Solutions3.10 Solubility3.11 Spectroscopy and the Electromagnetic Spectrum3.12 Photoelectric Effect3.13 Beer-Lambert Law Beer-Lambert LawSolubility and Representations of SolutionsSpectroscopy and Electromagnetic Spectrum

timestamps

  • 0:00

    Welcome and Casual Chat

  • 1:36

    Recap and Unit Overview

  • 3:09

    Schedule and Announcements

  • 5:16

    Introduction to Solutions

  • 6:20

    Solute and Solvent

  • 7:22

    Qualitative Solubility

  • 7:53

    Like Dissolves Like

  • 9:30

    Polar Substances Examples

  • 11:04

    Non-Polar Substances Examples

  • 12:05

    Miscible vs Immiscible

  • 13:39

    Alcohols Solubility Table

  • 14:12

    Decreasing Solubility Explanation

  • 15:45

    Ionic Compounds Solubility

  • 17:20

    Quantitative Solubility

  • 18:22

    Molarity Definition

  • 18:53

    Molarity Practice Problem

  • 22:32

    Introduction to Dilutions

  • 23:05

    Dilution Equation

  • 24:35

    Dilution Practice Problem

  • 28:41

    Mid-Session Questions

  • 32:20

    Transition to Light

  • 32:52

    Light Waves Basics

  • 33:22

    Wavelength and Frequency

  • 33:54

    Electromagnetic Spectrum

  • 35:27

    Visible Light Spectrum

  • 37:02

    Wavelength Frequency Relations

  • 37:33

    Light Equations

  • 38:04

    Photon Energy Calculation

  • 43:49

    Ionization Energy Problem

  • 46:25

    Beer's Law Introduction

  • 47:26

    Beer's Law Equation

  • 48:27

    Absorbance Simulation Demo

  • 52:35

    Absorbance vs Wavelength

  • 53:07

    Chlorophyll Graph Example

  • 55:12

    Stock Solutions Demo

  • 56:14

    Light and Molecular Motion

  • 58:53

    Final Q&A Session

  • 1:03:33

    Closing and Resources

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Company

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Resources

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history

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
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© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.