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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...
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.
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...
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...
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...
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...
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...
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...
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...
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: Empirical Formula From Mass Composition
Calculating the empirical formula from the mass percent composition. [4:35]
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]