Curated Video
Why Are pH Values Only In A Range Of 0-14?
The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral...
Zach Star
Mechanical Engineering Subfields and Senior Project Examples
Mechanical engineering is a broad major that can be broken up into different subfields or concentrations. The main concentrations I discuss in this video are Mechatronics, HVAC, and Manufacturing. Mechatronics is the combination of...
Curated Video
Chemistry Practical: Investigating the Effect of Concentration on Reaction Rate
This video discusses a required practical experiment in chemistry where the objective is to investigate how increasing the concentration of a reactant affects the rate of the reaction. The hypothesis is that increased concentration leads...
Curated Video
Transport of Substances in and out of Cells: Diffusion, Osmosis, and Active Transport
In this video, the concept of transport of substances into and out of cells is explained. The different ways in which this process occurs are discussed, including diffusion, osmosis, and active transport. The importance of surface area...
Curated Video
Experiment on How Increasing Reactant Concentration Affects Reaction Rate
The video discusses a required practical activity from the chemistry specification, which is an experiment to investigate how increasing the concentration of a reactant affects the rate of the reaction by observing a precipitate. The...
Curated Video
Introduction to Diffusion: Definition, Process, and Factors Affecting Rate
This video provides an explanation of what diffusion is, how it occurs, and how to change the rate of diffusion. The concept of diffusion is demonstrated through the example of a plate of food emitting a smell that travels across a room....
Curated Video
The Consequences of Osmosis
The video is a lecture presentation discussing the consequences of osmosis. The presenter explains what osmosis is and how it works, with a focus on the movement of water molecules through partially permeable membranes. They also explain...
Zach Star
Mechanical Engineering Subfields and Senior Project Examples (Part 2)
In the previous video I discussed the most popular mechanical engineering concentrations. Outside of those main one's though, the concentrations aren't as well defined at every university. I grouped together some large topics within...
Catalyst University
Theory of Thermodynamic Activity and Ionic Strength
Theory of Thermodynamic Activity and Ionic Strength
FuseSchool
Neutralisation of Alkalis
Learn the basics about solubility rules for insoluble salts, as part of the overall acids, bases and alkali topic.
Catalyst University
Alcohol Dehydrogenase: Physiology, Biochemistry, and Mechanism
Alcohol Dehydrogenase: Physiology, Biochemistry, and Mechanism
Science360
Monitoring multiple biomarkers at once – Biotech’s future
NSF-funded small business Applied Biosensors has created sensors that continuously monitor multiple biomarkers. The core technology has implications for biomedical research, water quality management and metabolic monitoring, among...
Curated Video
Understanding the pH Scale: Strong and Weak Acids, Acid Concentration, and pH Measurement
This video is an educational tutorial on the pH scale. The presenter goes over the difference between strong acids and weak acids and explains how they dissociate in an aqueous solution. They also cover acid concentration, which is...
Curated Video
Understanding the Greenhouse Effect and Human Impact on Climate Change
The video discusses the greenhouse effect and how it works in the Earth's atmosphere. It explains how greenhouse gases such as carbon dioxide and methane absorb long-wavelength infrared and re-emit it, increasing the temperature of the...
Curated Video
Titration Calculations: How to Determine the Concentration of an Unknown Solution
In this video, the presenter discusses titration calculations, which are useful in determining the concentration of a solution by using a solution of known strength. The video explains the thought process and equations involved in...
Curated Video
Understanding Strong and Weak Acids, Acid Concentration and the pH Scale
This is a science lesson on strong and weak acids. The presenter explains the differences between strong and weak acids, their ionization levels, and their effect on acid concentration. The video also covers the pH scale and how it...
JJ Medicine
Clindamycin | Bacterial Targets, Mechanism of Action, Adverse Effects
Lesson on the antibiotic Clindamycin (cleocin), what bacteria clindamycin targets, the mechanism of action of clindamycin, and adverse effects of clindamycin. Clindamycin is a lincosamide antibiotic that targets anaerobic bacteria well,...
Flame Media
How this athlete motivates her mind and body
In his series 'Redesign my Brain', award winning documentary maker Todd Sampson puts brain training to the test as he undergoes a radical brain makeover. The cutting edge new science of brain plasticity has found that anyone can become...
Catalyst University
Creatine Function (1/2): Biosynthesis, Thermodynamic Concerns, and Exercise
Creatine Function (1/2): Biosynthesis, Thermodynamic Concerns, and Exercise
Catalyst University
Fick's First Law (1): Diffusion, Flux, and Concentration Gradients
Fick's First Law (1): Diffusion, Flux, and Concentration Gradients
Zach Star
Earth and Environmental Science - Careers, Concentrations, and Courses (Part 2)
This video will focus on the two most common concentrations, labs you can expect to see in this major, and possible career paths you can take. Unlike labs for chemistry, biology, or physics much of the labs that you will perform in this...