Curated Video
GCSE Physics - Alpha, Beta and Gamma Radiation #33
This video covers: - The idea that radioactive materials contain unstable isotopes - What alpha, beta, gamma and neutron radiation is - How ionising and penetrating they are General info: - Suitable for all GCSE and IGCSE courses -...
Curated Video
The Periodic Table: Atomic Number
The Periodic Table: Atomic Number examines the Periodic Table of Elements and uses the atomic number to identify the number of protons, neutrons, and electrons in a given element.
Curated Video
Fringe Benefits
Princeton historian of science Michael Gordin describes how being receptive to wacky, unorthodox ideas - up to a point - brings various benefits to our understanding of the world.
Curated Video
Charges in Atoms, Atomic Models, and Quantum Numbers
This video explains how the different particles in an atom have charges, how the different particles affect the overall charges of an atom, and how atomic models are created.
Curated Video
Understanding the Atom
A video entitled “Understanding the Atom” which introduces the atom and atomic structure before discussing how atoms are studied and classified.
Flipping Physics
Speed of a Proton in a Uniform Electric Field
Conservation of energy is used to determine the final speed of a proton released at rest in a uniform electric field.
Professor Dave Explains
Acids and Bases, pH and pOH
We've all heard the terms acid and base. What do these mean? Don't just tell me about pH, silly. What structural detail makes a molecule an acid or a base? You don't know? Well, you'd better watch this then. You don't want to be...
Flipping Physics
#55 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about finding the kinetic energy of an electron in orbit around a proton
Flipping Physics
#53 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about crossed electric and magnetic fields causing a beam of protons to pass undeflected.
Flipping Physics
#51 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using conservation of energy to determine the final kinetic energy of a charged particle released from the positively charged plate of a parallel plate capacitor.
Flipping Physics
#50 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using the Right Hand Rule to determine the three dimensional shape of the path of a moving charged particle in a constant magnetic field.
Flipping Physics
#44 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using the right hand rule to determine the shape of a magnetic field caused by a beam of moving charges.
Flipping Physics
#43 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about manipulating dimensions to deterring the average speed of a moving beam of protons
Flipping Physics
Work to Move a Charge in an Electric Field in Electron Volts
The work to move a charge through a uniform electric field is determined. An electron volt is defined.
Professor Dave Explains
Reactions of Beta-Dicarbonyl Compounds
Looking at the usage of beta-dicarbonyl compounds.
Professor Dave Explains
The Haloform Reaction
Once again, we will be interested in learning about reactions that break carbon-carbon bonds, as this will allow us to perform necessary transformations on substrates. The haloform reaction is one such reaction, and it is commonly used...
Professor Dave Explains
Diazomethane Synthesis and Applications (Arndt-Eistert Homologation)
In learning about carbenes, we discovered the importance of diazomethane. So it will be a good idea to learn how to make this molecule, as well as some other things we can do with it, including something called the Arndt-Eistert...
Catalyst University
Acetylcholinesterase (Part 1) Neuron Signaling Esterase Mechanisms 1
Acetylcholinesterase (Part 1) Neuron Signaling Esterase Mechanisms 1
Catalyst University
Basics of Electrostatics of Biochemistry
Basics of Electrostatics of Biochemistry
Professor Dave Explains
Hemiacetals, Acetals, and Imines
An introduction to hemiacetal, acetal, and imine functional groups.
Physics Girl
Seeing the Smallest Thing in the Universe
Beyond molecules and atoms, how far down can we see below the wavelength of visible light? What is the smallest possible scale in the universe?
Catalyst University
Alcohol Dehydrogenase: Physiology, Biochemistry, and Mechanism
Alcohol Dehydrogenase: Physiology, Biochemistry, and Mechanism