Electron Configurations JFR Science 2017-05-11 | Mr. Key outlines how a more modern understanding of the atom will help us represent an atom's electron configuration more accurately, through both expanded and condensed electron configurations.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
Le Chateliers Principle and Qc JFR Science 2021-05-13 | NEW FOR 2020! (Again, thanks to my students for yet again correcting my mistakes!)In this video, @JFR Science 's Mr. Key explains:1. Reaction Quotient (Qc).2. Le Chatelier's Principle3. Chemical equilibrium response to changes in [ ], T and P (due to changes in volume).4. Impact of catalysts and inert gases on equilibrium systems.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
ICE Tables JFR Science 2020-12-02 | NEW FOR 2020! In this video, @JFRScience 's Mr. Key explains:1. (R)ICE Table set-up.2. Shortcuts, including square root simplification and the approximation method.Note: This video is designed to introduce the setup and use of ICE tables. If you are looking for more, and/or a detailed solution using the ICE table and approximation method, I have attached a link at the end of the video.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Chemical Equilibrium and the Equilibrium Constant JFR Science 2020-12-02 | NEW FOR 2020! (Thanks to some eagle-eyed students for correcting my mistakes!)In this video, @JFRScience 's Mr. Key explains:1. Reversible reactions.2. Steady state systems.3. Chemical equilibrium.4. Derivation of the equilibrium constant (Kc) from the equilibrium expression.5. The meaning of the equilibrium constant.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Reaction Mechanisms JFR Science 2020-09-27 | NEW FOR 2020!In this video, @JFRScience 's Mr. Key explains:1. How do determine if proposed Reaction Mechanisms are reasonable.2. Elementary Steps.3. The Rate Determining Step and its importance to the proposed Reaction Mechanism.4. Determining Reaction Intermediates and Catalysts from proposed Reaction Mechanisms.5. Defining Catalysts.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Reaction Theories and Potential Energy Diagrams JFR Science 2020-09-17 | NEW FOR 2020!In this video, @JFRScience 's Mr. Key explains:1. Collision Theory2. Transition State Theory3. Potential Energy Diagrams4. Factors affecting successful collisions (T, [ ], and SA)5. CatalystsPlease note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
SAMPLE PROBLEM: Determining Boiling Point JFR Science 2020-06-09 | In this video @JFRScience 's Mr. Key models how to predict which molecule of a pair will most likely have a higher boiling point. The same logic could be applied to melting point or other properties as well.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
The Animal Kingdom JFR Science 2020-06-05 | @JFRScience 's Mr. Key provides a brief overview of the diverse group of organisms that is the Animal kingdom.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.Music courtesy of Bensound.com.
SAMPLE PROBLEM: Drawing 3D VSEPR Shapes and Determining Structure using Formal Charge JFR Science 2020-06-03 | In this video, @JFRScience 's Mr. Key models how to draw a 3D VSEPR representation of a compound (polyatomic ion, in this case) from the formula. The second half of the video is dedicated to using formal charge to verify the structure.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
SAMPLE PROBLEM: Multivalent Metals Using Orbital Box Diagrams JFR Science 2020-06-02 | Ever wonder why some elements can form more than one valence? In this video, @JFRScience 's Mr. Key models how to illustrate multivalency in ionic bonding through the use of Orbital Box Diagrams.Note: This does not explain all aspects of multivalency, but does help provide a visual reference for a number of common multivalent elements.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
The Plant Kingdom JFR Science 2020-06-01 | @JFRScience 's Mr. Key outlines some of the shared characteristics of organisms placed in the Plant Kingdom, as well as some of the defining features that organize plants into bryophytes (mosses), pteridophytes (ferns), gymnosperms (cone-bearing plants) and angiosperms (flowering plants).Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.Music courtesy of Bensound.com.
SAMPLE PROBLEM: Exceptions to the Aufbau Principle JFR Science 2020-05-27 | In this video, @JFRScience 's Mr. Key works through some examples of electron configurations that violate the Aufbau Principle, and addresses the how to use electron configurations to illustrate excited electron configurations. Note: This tutorial does NOT specifically cover how to write electron configurations, rather how to use them to address the two concepts mentioned above. If you are looking for how to work through electron configurations, this video may help: youtube.com/watch?v=5omUQRmTCiUPlease note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Protists and Fungi JFR Science 2020-05-26 | @JFRScience 's Mr. Key outlines the characteristics that sort organisms into two of the Kingdoms found within the Domain Eukarya - the protists and the fungi.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.Music courtesy of Bensound.com.
Prokaryotes: (Eu)Bacteria and Archaea JFR Science 2020-05-21 | @JFRScience 's Mr. Key discusses the role that bacteria play as well as their general characteristics and means of classification, before briefly introducing organisms of the domain Archaea.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Viruses and the 3 Domains of Life JFR Science 2020-05-19 | @JFRScience 's Mr. Key provides a quick overview of the characteristics that viruses share with living things, as well as why we would not consider them to be living things. In addition, the concept of the three domains of life is introduced.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Classification of Living Things JFR Science 2020-05-12 | @JFRScience 's Mr. Key introduces the field of taxonomy and how we have used the Linnaean System to classify living things and identify them using Binomial Nomenclature. The various levels of hierarchical classification are discussed, as is the use of two different types of dichotomous keys (pictorial and text).Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL - Acid Base Equilibria: Buffers (and the Henderson Hasselbalch Equation) JFR Science 2020-05-10 | Mr. Key models how to solve a basic buffer solution using the Henderson Hasselbalch equation. Note that this can be applied to an acidic solution as well, using the appropriate version of the equation.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL: Acid-Base Equilibria: Determining pH at Equivalence JFR Science 2020-05-08 | Mr. Key models how to determine the pH of a weak acid (acetic acid), strong base (sodium hydroxide) titration, including the selection of an appropriate indicator.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Biodiversity JFR Science 2020-05-07 | @JFRScience 's Mr. Key introduces the concept of Biodiversity by first summarizing the challenges biologists face when trying to define "species" as well as determining the number of living things on the planet. In addition the importance of interactions within ecosystems and their relationship to biodiversity is discussed.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Circulatory System: The Heart JFR Science 2020-05-04 | @JFRScience 's Mr. Key outlines the pathway of blood flow through the heart, touching on what causes our heart beat, how our heart contractions are controlled and the structure and function of some of the major components of the heart.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL - Acid Base Equilibrium: Determining and Comparing Conjugate Strength JFR Science 2020-04-30 | Mr. Key models how to determine the relative strength of conjugate acids, when provided the original bases.Note that this same approach can be used to determine which of the two ions in a base from a weak acid/weak base titration will impact pH.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL - Acid Base Equilibrium: Determining the pH of a Salt JFR Science 2020-04-30 | Mr. Key models how to determine the pH of a salt formed in this case from a weak base and a strong acid.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Circulatory System: Blood Vessels JFR Science 2020-04-26 | @JFR Science's Mr. Key takes a quick tour through the systemic circuit, outlining the structure and major function of veins, arteries and capillaries (however you wish to pronounce them!)Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL - Acid Base Equilibrium: Kb JFR Science 2020-04-24 | Mr. Key models a problem using the Kb of a weak base to determine the hydroxide ion concentration, the pOH and the pH.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
The Circulatory System: Intro and Blood JFR Science 2020-04-22 | @JFRScience 's Mr. Key introduces the need for a transport system within the body as well as summarizes the major functions and components of the fluid medium (blood) within the system.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL - Acid Base Equilibrium: Strong Acid/Base Reactions JFR Science 2020-04-20 | In this tutorial, Mr. Key takes you through a question on how to determine the pH of a solution between a strong acid and strong base in which one of the acid/base are determined to be in excess.In addition, how to use hydrogen (hydronium) ion concentration to determine hydroxide ion concentration, pH and pOH.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Lung Volumes JFR Science 2020-04-15 | @JFRScience 's Mr. Key provides a quick overview of how the body's respiratory system responds to an increase in altitude or an increase in activity, before briefly outlining the various lung volumes.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
The Respiratory System JFR Science 2020-04-14 | @JFRScience 's Mr. Key describes the structure and function of the respiratory system, outlining the difference between respiration and breathing.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL Equilibrium: Precipitation Formation JFR Science 2020-04-10 | Mr. Key models how to determine the minimum amount of a solid required to be added to a solution before a precipitate will just begin to form. This problem requires understanding of Ksp and Qsp.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL Equilibrium: Qsp (Does a precipitate form?) JFR Science 2020-04-10 | Mr. Key works through a problem involving the mixture of two aqueous solutions and whether or not the resulting mixture results in the formation of a precipitate. This is a quantitative analysis involving the use of Ksp.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Digestive System: Enzymes and Accessory Organs JFR Science 2020-04-09 | @JFRScience 's Mr. Key lists the major enzymes that act on the food in our digestive system as well as where each enzymatic action takes place.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.All images used are for educational purposes only and to the best of my knowledge have creative commons licensing.
TUTORIAL: Equilibrium - Molar Solubility and the Common Ion Effect JFR Science 2020-04-07 | Mr. Key models two problems - one to determine the molar solubility of a sparingly soluble salt in pure water, the other to determine the molar solubility of the same salt in a solution that contains a common ion.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL: Equilibrium - Ksp JFR Science 2020-04-06 | Mr. Key models two methods when solving for Ksp from the molar solubility from a sparingly soluble salt.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
The Digestive System JFR Science 2020-04-06 | @JFRScience 's Mr. Key introduces the various organs that food encounters from ingestion to egestion in the digestive system as well as describing how the structure of several of these components and/or organs relate to their function.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL: Organic I JFR Science 2020-04-05 | Mr. Key outlines how to identify simple hydrocarbons as well as branched chain hydrocarbons before using an example to explain how to draw and name these types of structures before finally analyzing an incorrect hydrocarbon in order to correct its name.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
TUTORIAL: Equilibrium - ICE Tables and the Approximation Method JFR Science 2020-04-01 | Mr. Key models the solution for an ICE table problem involving a very small Kc, allowing for the use of the approximation method to solve.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Heat of Formation JFR Science 2020-02-19 | NEW FOR 2020! @JFRScience 's Mr. Key explains how to create a formation equation for a compound as well as how to use enthalpy of formation to establish the overall enthalpy change for a target equation - an application of Hess' Law.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Hess Law JFR Science 2020-02-11 | New for 2020! @JFRScience 's Mr. Key uses Hess' Law of Heat Summation to determine the overall enthalpy change for a target thermochemical equation using already established thermochemical equations.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Coffee Cup Calorimetry JFR Science 2020-02-02 | New for 2020! @JFRScience 's Mr. Key explains what a coffee cup (aka constant pressure) calorimeter is, and how it can be used to establish the overall enthalpy change for a given chemical process.Note that this does not include a sample calculation, rather providing the theory and rationale for how and why these steps are taken.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Intro to Thermochemistry JFR Science 2020-02-01 | New for 2020! @JFRScience 's Mr. Key explains how we represent energy changes in chemical reactions using enthalpy, thermochemical equations and enthalpy diagrams. Exothermic and endothermic processes and examples are discussed.Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Intermolecular Forces JFR Science 2019-03-09 | This video introduces basic intermolecular forces, including dispersion, dipole-dipole, hydrogen bonding and ion-dipole. In order to get the most out of this video, students should be familiar with molecular geometry, bond dipoles and overall molecular dipoles prior to watching.Molecular Polarity: https://www.youtube.com/watch?v=bBYly...Molecular Geometry and VSEPR Theory: https://www.youtube.com/watch?v=lrqcZ...Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
Quantum Theory of the Atom and Quantum Numbers JFR Science 2018-04-10 | In this video, @JFRScience 's Mr. Key: 1) Provides a quick introduction into the Quantum Theory of atomic structure.2) Introduces the four quantum numbers. This video hopes to provide context for our more detailed electron configurations.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
Creating Interactive Videos Using EDpuzzle JFR Science 2017-11-26 | Mr. Key outlines how to use EDpuzzle to turn any video into a more effective teaching tool for use in a Blended Learning or Flipped Learning environment.
How I Teach Using Video - The Flipped Mastery Classroom JFR Science 2017-11-26 | Mr. Key explains how he uses video to provide a foundation to concepts that are expanded on in class. Included is some discussion on the "flipped classroom" as well as how mastery is integrated into teaching practice.
Orbital Box Diagrams JFR Science 2017-05-11 | Mr. Key introduces another representation of electron configurations, using orbital box diagrams to explain bonding as well as providing an explanation as to how multivalency can occur.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
Molecular Polarity JFR Science 2017-05-11 | Mr. Key outlines how bond dipoles and the 3D geometry of a molecule will lead us to the overall dipole moment of the molecule.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
Introduction to Solutions: Solutions and Concentration JFR Science 2017-04-30 | Mr. Key introduces solutions and related terminology, including solubility and concentration. The quantitative and qualitative aspects of concentration are evaluated, including molar concentration, C=n/v.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
Limiting and Excess Reagents JFR Science 2017-04-25 | Mr. Key outlines how limiting and excess reagents are determined and therefore used within stoichiometric calculations.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
Percent Yield: Determining the Success of a Chemical Reaction JFR Science 2017-04-25 | Mr. Key explains how theoretical (determined from stoichiometric calculations) and actual yield (determined experimentally) can be used to determine the percent yield of an experiment.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
VSEPR Theory: Determining the 3D Shape of Molecules JFR Science 2017-04-24 | Mr. Key explains how VSEPR theory can help us predict and draw the 3D shape of molecules. Note that this video does not go through each parent shape and variant, but rather provides an idea as to how we can use VSEPR to come up with these shapes and refer to established materials to draw these molecules appropriately.Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the comments are moderated. Any comments that are deemed abusive, inappropriate, or unrelated to the topic matter will not be posted and the user potentially blocked.
