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Professor Dave Explains

Welcome! I have a knack for explaining stuff and I want to share some knowledge with you.

I received a BA in chemistry from Carleton College, and performed graduate studies in both synthetic organic chemistry and science education at Cal State Northridge, receiving an MA in the latter. Prior to this I taught for about a decade in various high school and undergraduate settings, specializing in organic chemistry but also teaching general chemistry, physics, and biology.

This channel is for students at the high school and undergraduate level, but it is also for members of the general public who just want to know more about the world and how things work. My goal is to increase science literacy in our society, so please share these tutorials with anyone that you think might enjoy them. Happy learning!

Support my channel: https://www.patreon.com/professordaveexplains

Check out my book "Is This Wi-Fi Organic?": https://amzn.to/2HtNpVH

OChem help here: https://chemmunity.info/dave

Links:
Support Dave: http://patreon.com/professordaveexplains
Facebook: http://facebook.com/professordaveexplains
Instagram: http://instagram.com/daveexplains
Amazon Author: https://www.amazon.com/~/e/B08W2749Y9

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October 31 · 7 min
Latin Vocabulary: Colors
It's time for some more Latin vocabulary! Let's learn how to say all the colors in Latin. Script by Patrizia Farina, Professor of Italian at Western Connecticut State University and Purchase College. Watch the whole Latin playlist: http://bit.ly/ProfDaveLatin Italian Tutorials: http://bit.ly/ProfDaveItalian American History Tutorials: http://bit.ly/ProfDaveAmericanHistory Philosophy Tutorials: http://bit.ly/ProfDavePhilo Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 31 · 1 hr
Metatron is a Whiny Little Baby
My recent video examining reality denial and the behavior of trolls that infest my channel featured a tantrum by a loser named Metatron, where I mocked him for being a toxic troll that whines about how toxic I am. He didn't like it very much, so he decided to throw yet another toddler tantrum and accuse me of lying while doubling down on the toxic stuff. He's delusional, and also hilarious, so let's drag him through the mud a little bit such that everyone can know how pathetic this guy is. My previous video on trolls which featured Metatron: https://youtu.be/12bt8VFbMH8 Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 11 min
Practice Problem: Assigning Molecular Structure From an NMR Spectrum
For this one we need to be able to interpret NMR data in order to arrive at the correct molecular structure based on an empirical formula. It's not as hard as it sounds! Try all of the organic chemistry practice problems: http://bit.ly/ProfDaveOCPP Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 8 min
Mammalian Body Systems
With some general information regarding mammals covered, it's time to look at their body systems. How are they structured, and how much variety is there within Class Mammalia? Let's take a look! Script by Ryan Helcoski Watch the whole Zoology playlist: http://bit.ly/ProfDaveZoo General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Anatomy & Physiology Tutorials: http://bit.ly/ProfDaveAnatPhys Microbiology Tutorials: http://bit.ly/ProfDaveMicrobio Botany Tutorials: http://bit.ly/ProfDaveBotany EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 6 min
Practice Problem: Electrophilic Aromatic Substitution Retrosynthesis
You gotta know your EAS reactions for this one! Make sure you do them in the right order, too. Try all of the organic chemistry practice problems: http://bit.ly/ProfDaveOCPP Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 7 min
Practice Problem: Torque on a Mobile
You had a baby! Hooray! Now it's time to stop building ramps and pulleys and it's time to start building baby stuff. You love astronomy so you decide to make a mobile of the solar system. But in order to get everything to balance out, we will have to talk about torque and weight. Do some calculations so you can make the best mobile this kid has ever seen! Try all of the Classical Physics Practice Problems: http://bit.ly/ProfDaveCPPP Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMaths General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 9 min
Graphing Conic Sections Part 2: Ellipses
The next conic section is like a circle, but it's like someone stretched a circle out in a particular direction. It's the ellipse! These are very important in astronomy as most celestial objects follow elliptical paths. Let's learn all about ellipses and how to graph them. Watch the whole Mathematics playlist: http://bit.ly/ProfDaveMath Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 15 min
Discussing the Validity of Empiricism With a Live Caller (Skeptic Haven)
Skeptic Haven is a show that I appear on from time to time which features live callers on topics pertaining to religion and science, and the calls range from highly contentious to thought-provoking and constructive. Here is one of them. Check out Skeptic Haven: www.youtube.com/ ⁨@SkepticHaven⁩ Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 12 min
Protecting Groups
I've seen it a thousand times. You wanna do some transformation on a molecule, and it would work so wonderfully if this other functional group wasn't on the molecule to screw it up! You don't even want that other group to do any chemistry at all, isn't there some way to make it sit this round out? Protecting groups to the rescue! Watch the whole Organic Chemistry playlist: http://bit.ly/ProfDaveOrgChem General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMath EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 19 min
Introduction to Quantum Chromodynamics (QCD)
With QED covered, it's time to move on the quantum chromodynamics, or QCD. This is the QFT that governs the strong nuclear force, so it explains the behavior and interaction of quarks through mediator bosons known as gluons. What are the symmetries involved for QCD? What are quarks exactly? What is color charge? How can we create Feynman diagrams for this model? Let's talk about it! Script by Andrew Mattson, Physics PhD Student at Johns Hopkins University Watch the whole Modern Physics playlist: http://bit.ly/ProfDavePhysics2 Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Mathematics Tutorials: http://bit.ly/ProfDaveMaths General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 7 min
Leaving Group Derivatives
Sometimes you really wanna do SN2 but the molecule just isn't right for it. But this isn't like a romantic relationship! People don't change, but molecules do! Use a leaving group derivative and turn a pesky hydroxyl group into a great SN2 leaving group in no time. Watch the whole Organic Chemistry playlist: http://bit.ly/ProfDaveOrgChem General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMath EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 11 min
Introducing the Perfect System in Latin: Present Perfect
The Perfect System is comprised of three tenses that all describe completely finished actions, the present perfect, pluperfect, and future perfect. All of these tenses are formed from the third principle part of a verb. Let's get some general information about this system and learn how to construct the present perfect tense. Script by Patrizia Farina, Professor of Italian at Western Connecticut State University and Purchase College. Watch the whole Latin playlist: http://bit.ly/ProfDaveLatin Italian Tutorials: http://bit.ly/ProfDaveItalian American History Tutorials: http://bit.ly/ProfDaveAmericanHistory Philosophy Tutorials: http://bit.ly/ProfDavePhilo Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 12 min
Retrosynthetic Analysis
These are the hardest problems! You have to think backwards in time? What am I, H. G. Wells?! Relax, friend. You just have to dismantle the target molecule in strategic ways that make sense because of the synthetic transformations you have in your bag of tricks. Give this a gander and you'll see. Watch the whole Organic Chemistry playlist: http://bit.ly/ProfDaveOrgChem General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMath EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 1 hr 44 min
Terrence Howard: Back in the Saddle!
Go to https://ground.news/pde for a better way to stay informed. Subscribe for 40% off unlimited access to world-wide coverage through my link! Well folks, Terrence Howard just will not learn his lesson. After being mocked for most of 2024, due to the vast majority of humanity seeing right through his "I'm a super awesome mega genius" routine, he spent a bit of time licking his wounds. But he's back with a new angle and a new grift, so it's time to make fun of him some more. And this time he's been mouthing off about me specifically, so it's personal. Let's all laugh at Terry together! Watch all of my videos on Terrence: http://bit.ly/ProfDaveTerry Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 9 min
Electrochemistry
How does a battery work? Now that you think about it, you have no idea, do you? Well take a gander! Turns out it's just redox chemistry. Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMaths EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 1 hr 56 min
Rob Stadler is Even Dumber Than We Thought (Featuring Gutsick Gibbon and Creation Myths)
Remember when I sat down with Erika and Dan to make fun of Rob Stadler and James Tour? They saw it and got really upset, so they decided to humiliate themselves some more. Shall we make fun of them again and keep the cycle going? Of course we should! Learning science while mocking lying fraud apologists, what's better than that? Please subscribe to these channels, they are awesome: Gutsick Gibbon: https://www.youtube.com/@UCJNcAH2yzV3VAMYIGxCZ8_w Creation Myths: https://www.youtube.com/@UCZmhEtG-QIrmyWoW0M6TIgQ Watch all of my content humiliating James: http://bit.ly/ProfDaveTour Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 1 hr 5 min
Disarming Climate Change Denial Tropes (Featuring Peter Hadfield aka Potholer54)
We've covered climate change denial in one video before, which was very thorough, but for a pressing issue like this, one topic is never enough. To help us disarm some common talking points put forth by climate change deniers is Peter Hadfield, better known as Potholer54. He's a geologist and science journalist who has covered this topic extensively, so let's get some pearls of wisdom from him on how to combat this fallacious rhetoric! Check out Peter's channel for tons of pseudoscience debunking: https://www.youtube.com/@UCljE1ODdSF7LS9xx9eWq0GQ Peter's video on the top ten climate change myths: https://www.youtube.com/watch?v=FBF6F4Bi6Sg My video debunking Matt Ridley: https://www.youtube.com/watch?v=C-gdabZooKo My video debunking COVID lab leak propaganda: https://www.youtube.com/watch?v=ra0WKNhQZ0U Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 7 min
Reflexive Pronouns in Latin
Reflexive pronouns refer back to the subject of the clause they are found in, meaning they refer to the doer of the action. In English we use them when we say things like "I blame myself". How does this work in Latin? Let's find out! Script by Patrizia Farina, Professor of Italian at Western Connecticut State University and Purchase College. Watch the whole Latin playlist: http://bit.ly/ProfDaveLatin Italian Tutorials: http://bit.ly/ProfDaveItalian American History Tutorials: http://bit.ly/ProfDaveAmericanHistory Philosophy Tutorials: http://bit.ly/ProfDavePhilo Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 9 min
Practice Problem: Drawing Substitution and Elimination Products (SN1/SN2/E1/E2)
I know you guys are dying for more practice choosing between SN1/SN2/E1/E2 mechanisms, so hopefully this one helps a little. Make sure to look at all the factors we talked about in my tutorial on this topic! Try all of the organic chemistry practice problems: http://bit.ly/ProfDaveOCPP Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices
October 30 · 11 min
Late Middle Ages Part 1: Hundred Years’ War and the Black Death
Moving on, we reach the Late Middle Ages, which was a tumultuous time. It included events like the Hundred Years' War and the Black Death. Here we see the first initial signs of a public distrust in the Church which eventually led to the Renaissance. Let's get a closer look. Script by Peter Wyetzner Watch the whole World History playlist: http://bit.ly/ProfDaveWorldHistory American History Tutorials: http://bit.ly/ProfDaveAmericanHistory Italian Tutorials: http://bit.ly/ProfDaveItalian Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

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