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Curated Video
Rules for Writing Resonating Structures: Get Them Right!
When writing resonance structures, it's essential to follow certain rules: only electrons move, not atoms; all structures must have valid bonding; and charges should be minimized. These guidelines ensure resonance structures accurately...
Code.org
Unplugged - Real-Life Algorithms: Planting a Seed
Big thank you to Theo Chocolate for showing us the chocolate algorithm.ttps://www.theochocolate.com/blog'video!t='_blank' rel='nofollow'>algorithm. Help us caption & translate this
Next Animation Studio
Giant pandas can distinguish their mate through calls
Pandas are able to identify one another by their calls, according to a study published in Scientific Reports.
Professor Dave Explains
The Chemistry of Air Purification
It's amazing to think that we've gone from having no idea what air is, to knowing its composition intimately, and even having the ability to filter what's in it. We have produced machines that can remove both pathogens as well as harmful...
Curated Video
How to Connect a Propane Tank to a Gas Grill
Howcast - If you are craving that flame-broiled taste but you are out of propane, follow this advice to heat up that grill in a snap.
Curated Video
AWS Serverless Microservices with Patterns and Best Practices - AWS Access Types - Programmatic and Management Console Access
This video explains AWS access types—programmatic and management console access.
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This clip is from the chapter "Create AWS Account – Free Tier" of the series "AWS Serverless Microservices with Patterns and Best...
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This clip is from the chapter "Create AWS Account – Free Tier" of the series "AWS Serverless Microservices with Patterns and Best...
Curated Video
CompTIA A+ Certification 220-1001: The Total Course - NAT
You’d be hard pressed to find a home or small office router that isn’t using Network Address Translation (NAT). NAT provides some amazing benefits but also has some serious limitations. This clip is from the chapter "Local Area...
The March of Time
1953: PAKISTAN: IRRIGATION SYSTEM: Angled WS Sukkur Barrage (officially Lloyd Barrage, completed December 1931), WS One of seven off take canals. Note: Lines, flecks, some scratches.
MOT 1953: PAKISTAN: IRRIGATION SYSTEM: Angled WS Sukkur Barrage (officially Lloyd Barrage, completed December 1931), WS One of seven off take canals. Note: Lines, flecks, some scratches.
JFR Science
Percent Composition
Everyone knows water is made of hydrogen and oxygen ... but how much of each? Science scholars explore percent composition through a video from JFR Science. The narrator provides background information, time-saving tips, and example...
Teacher's Pet
Percent Composition and Empirical Formulas
Investigate empirical formulas and their relationships to the composition of a compound. The lesson first demonstrates a percent composition calculation. It then defines an empirical formula and applies it to given masses to determine a...
Socratica
Chemistry: Percent Composition
How much oxygen is in water? Is it the same as the chemical formula? Learners observe the differences between a substance's formula and its percent composition with a video from Socratica's Chemistry Lessons series. The narrator...
Get Chemistry Help
Chemistry Lesson: Percent Composition
Do you need a fast and thorough way to instruct your class members on how to determine the percent composition of a compound? Then this short resource will be a wonderful addition to your existing instructional methods. The video...
Curated OER
Formula from Mass Composition
Students of chemistry are shown how to calculate the empirical formula from a molecule's mass composition. Sal uses a variety of elements from the Periodic Table to demonstrate the process and the calculations involved to arrive at the...
Education Development Center
What's Cooking? Water
What a fresh approach to learning about water! Chef Jamika Pessoa explains the chemical composition of this vital compound, what happens when heat is added or removed, and how much water is contained in different organs and...
Socratica
Empirical Formula
With empirical formulas, it's all about keeping it simple! Introduce the concept of empirical formula to your chemistry scholars through a detailed video from Socratica's Chemistry Lessons series. The resource uses visual...
JFR Science
Calculating Empirical and Molecular Formula: What Is a Mass Spectrometer?
What's the formula for success? A unique and well-written resource from JFR Science explains empirical and molecular formulas. Young chemists learn the steps and skills required to determine the formulas from percent composition and...
New Mexico State University
Properties of Soil: Particle Size
Soil is 25 percent air on average. Learners may have a difficult time accepting that fact without a visual to demonstrate the property. A quick video lesson uses a model to show how this percentage is true and also discusses the...
Socratica
What Are White Dwarfs?
White dwarfs are stars that refuse to die. A video begins with an explanation of the three fates of dying stars. The presentation explains the composition and life expectancy of a typical white dwarf.
Khan Academy
Khan Academy: Empirical Formula From Mass Composition
Calculating the empirical formula from the mass percent composition. [4:35]
Khan Academy
Khan Academy: Partial Pressure Example
Get help figuring out the partial pressures of various gases in a container given the mass percent composition. [15:09]
Khan Academy
Khan Academy: Chemistry: Molecular and Empirical Formulas
A video lecture explaining how to find the molecular and empirical formula knowing the percent composition of each element. The problem is solved in easy to follow steps. [9:30]
Khan Academy
Khan Academy: Partial Pressure Example
Figuring out the partial pressures of various gases in a container given the mass percent composition. [8:03]
Sophia Learning
Sophia: Writing Numbers
This video lesson focuses on the rules for writing numbers in compositions, including how to write percents, fractions, centuries, etc. Real Player is required.
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