Professor Dave Explains

What's the difference between a physical change and a chemical change? What are elements, compounds, pure substances, and mixtures? So many definitions to learn! Don't worry, Professor Dave will take you through the details.

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► [email protected]
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

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At this point it is common knowledge that Eric Weinstein is a pointless fraud paid by Peter Thiel to spew propaganda all over the internet. As so many of us have long suspected, Sabine Hossenfelder is exactly that as well. This was made abundantly clear when Sabine recently joined the Eric Weinstein damage control parade after his embarrassing encounter with Sean Carroll on Piers Morgan, and then my video with Christian Ferko even further exposing GU as absolutely nothing and the details of his Perimeter Institute visit. But just in case that wasn't enough to convince you, allow me to take you through some of her other very recent content to demonstrate how her disgusting rhetoric is 100% aligned with Eric's script and Thiel's agenda.

Watch all my content exposing Sabine: https://bit.ly/ProfDaveSabine
My video with Christian Ferko demolishing GU: https://www.youtube.com/watch?v=jz7Trp5rTOY
My video on Coyne/Dawkins/Pinker and FFRF: https://www.youtube.com/watch?v=A_VPCJfYh4U
GMS video about War on Science: https://www.youtube.com/watch?v=mfh75ezwi2Y

Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk
Watch all of my content exposing the Weinstein brothers: http://bit.ly/ProfDaveWeinsteins

EMAIL► [email protected]
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

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We just learned about cardinal numbers. Those are the regular numbers that you would use to say how many things there are. But what about ordinal numbers? These describe a particular sequence. How do we say that somebody got fifth in the race, or won first prize in a contest? Ordinal numbers! Let's learn them now.

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► [email protected]
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

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Hey, you! Yes, you there. Normal Jack or Jill. Do you want to learn science? What's that? Oh, you don't know anything about science? Yes, salt is salty. That's one thing, I guess. It doesn't matter. If you want to start from scratch, you've come to the right place. Learn chemistry first! There's no easier way than with Professor Dave.

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► [email protected]
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

Timmy Gibson is a former pastor. He used to be the precise kind of person I debunk, denying evolution, repeating anti-vaccine propaganda, and passing on this ideology to his congregation. But over the past few years he has seen the light, and is now a science-minded atheist! He even says that my content was a crucial part of his deconversion. Let's talk about his journey, my content, and some of the silly things he used to believe!

Support Timmy's channel where he now debunks religious fundamentalism: https://www.youtube.com/@timmygibsonkc

My definitive guide to debunking creationists: https://www.youtube.com/watch?v=-qJyam_1nsU
My series exposing Discovery Institute: http://bit.ly/ProfDaveDI
Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk

EMAIL► [email protected]
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

You may have heard that carbon is the element of life. What does that mean? Let's find out!

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
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths

EMAIL► [email protected]
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

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With the Byzantine Empire covered, let's move on to some of its neighbors. Kievan Rus was the precursor to what is now Russia and Ukraine. What kinds of people founded this state and how big did it get?

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► [email protected]
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

Anti-science mentality is prevalent in modern society. This is evidenced most clearly in a complete distrust of chemicals synthesized in a laboratory. But does the activity of a molecule depend whatsoever on the pathway from which it formed? Let's see why not.

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
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths

EMAIL► [email protected]
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

We just learned how to add and subtract polynomials, so now we have to learn how to multiply them. This is a little tricky at first, but once we master the FOIL method, it's easy as pie!

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► [email protected]
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

It's time to dunk on Sasquatch Taint some more! This idiot has been running his mouth about how badly he wants to "debate" me, since that's the only way he can pretend to remain relevant. Also, Danny Jones has decided to pull a Joe Rogan and slander me regularly, so let's make fun of him some more too, along with another one of his idiot guests, Kurt Metzger. How the hell did the internet get so infested with the dumbest people alive? Let's do some spring cleaning.

Watch all my Pseudoarcheology Debunks: http://bit.ly/ProfDavePseudoarch
My video on Danny Jones and the Podcast Bros: https://youtu.be/wwLdFrjsN_c
Professor Dave is a Stupid Toxic Jerkface: https://youtu.be/12bt8VFbMH8

Watch my Anthropology/Archeology Tutorials: http://bit.ly/ProfDaveAnthro
Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk

EMAIL► [email protected]
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