The Business Professor
Activity-Based Costing - Example
The activity-based costing process is best understood through a demonstration. This video provides an example or sample demonstration of activity-based costing.
Curated Video
Chemistry - Calculating Percent (%) Composition
Percent composition is the percent of total mass of one element in a compound. We can find the percent composition by using this formula: mass of element/total mass of compound times 100. In this video, we will cover what percent...
Science Buddies
LED Circuit Design: LEDs in Parallel
Learn to design LED circuits for maximum efficiency, including choosing a battery and resistors, in this electrical engineering project.
Science Buddies
LED Circuit Design: Power and Efficiency
Learn to design LED circuits for maximum efficiency, including choosing a battery and resistors, in this electrical engineering project.
Curated Video
Balancing Acid/Base Neutralization Equations - 1 EASY TRICK - sodium hydroxide and hydrochloric acid
How to make a balanced chemical equation using sodium hydroxide and hydrochloric acid! In this video, we're going to show you how to quickly and easily balance acid/base chemical equations. This is a skillset that is essential for...
Curated Video
Principal Quantum Number: The Key to Electron Shells
The principal quantum number (𝑛) is a fundamental parameter in quantum mechanics that determines the size and energy level of an electron's orbit within an atom. It is a positive integer that represents the main energy level or shell in...
Curated Video
Azimuthal Quantum Number: Shaping Electron Orbits
Characterised by the symbol 𝑙l, the azimuthal quantum number is a fundamental parameter in quantum mechanics that describes the angular momentum and form of an electron's orbital within an atom. The integer values it accepts range from 0...
Curated Video
Millikan's Oil Drop Experiment : Tiny Drops, Big Discoveries
Millikan's Oil Drop Experiment: A Discovery and Impact Experimental Setup: • The experiment involved measuring the force on charged oil droplets suspended between two metal plates. • The apparatus included an atomizer, observation...
Curated Video
The EASY way to balance Combustion Reactions!
Welcome to Tadashi Science! Join us as we simplify the world of science. In this video, we'll teach you how to balance combustion chemical reactions. Learn the difference between complete and incomplete combustion and discover why these...
Science Buddies
LED Circuit Design: Solve for Current with Known Resistor
Learn to design LED circuits for maximum efficiency, including choosing a battery and resistors, in this electrical engineering project.
Flipping Physics
Charge and Current vs. Time in an RC Circuit
Explore the dynamics of RC circuits in this informative lesson. Unveil the charge and current as functions of time within an RC circuit. We dive into the Kirchhoff’s Loop Rule and differential equations to derive key insights. Witness...
ATHS Engineering
POE Circuit Sample Problems
Today, we will walk through four sample problems: one basic Ohm's Law problem, one series circuit, one parallel circuit, and a complex series circuit. This video is intended for use in engineering classes at Arsenal Technical HS.
ATHS Engineering
Mechanical Advantage Practice Part 1: IMA
This video serves two purposes: it introduces us to a structure for problem solving and gives some example Ideal Mechanical Advantage problems. This video is intended for Engineering students at Arsenal Tech HS.
ATHS Engineering
Mechanical Advantage Practice Part 2: AMA and Efficiency
In this video we review some practice problems about Actual Mechanical Advantage and Efficiency. This video is intended for Engineering students at Arsenal Tech HS.
Curated Video
What is Value? ...or Project Value?
Value has come right up the Project Management agenda recently, with pride of place in 2021’s 7th edition of the PMBOK guide. But it has always been an important concept. The problem is that defining it is difficult. So, what is Value?...
Curated Video
Hydrogen's Spectrum: Decoding the Lines
A key tool in atomic physics is the hydrogen spectrum, which shows the quantised energy levels of the electrons in a hydrogen atom. The electrons in hydrogen gas absorb energy and travel to higher energy levels when the gas is excited,...
Curated Video
De Broglie vs Bohr: A Quantum Debate
Niels Bohr's model of the atom introduced the idea of quantised orbits for electrons. In these, electrons occupy stable energy levels and either give off or take in photons when they move between these levels. This model was able to...
Curated Video
De Broglie's Equation: Wave-Particle Duality
De Broglie's equation, formulated by Louis de Broglie in 1924, introduces the concept of wave-particle duality, suggesting that all matter exhibits both wave-like and particle-like properties. The equation is expressed as λ=h/p; λ is...
Curated Video
Electron Energy: Deriving the Expression
Bohr's model of the atom says that an electron's energy is set by its orbit around the nucleus. Bohr said that electrons have specific, quantised levels of energy, and that the size of the orbit affects the energy level. An electron's...
Curated Video
Hydrogen's First Orbit: Measuring the Radius
The Bohr radius, which represents the radius of hydrogen's first orbit, is a fundamental concept within Bohr's atomic model. According to this model, electrons revolve around the nucleus in quantised orbits with precise and unchanging...
Curated Video
Atomic Orbits: Calculating the Radius
Bohr's atomic model postulates that the radius of an electron's orbit around the nucleus is determined by the concept that electrons travel in quantised orbits with distinct and well-defined radii. According to the model, the angular...
Curated Video
What are the different types of chemical reactions?
In this video, I'm going to show you a simple way to identify the type of chemical reaction that is happening in a given situation. This will help you to understand the process more easily and to carry out the reaction in a more accurate...
Curated Video
Born-Haber Cycle: The Energy Behind NaCl Formation
The Born-Haber cycle calculates lattice energy using steps like ionization, electron affinity, and sublimation, showing the energetics of ionic compound formation
Curated Video
Lattice Energy Demystified: The Strength of Ionic Compounds
Lattice energy is the energy released when ions combine to form an ionic solid. Higher lattice energy indicates a stronger ionic bond and greater stability