Bozeman Science
Equilibrium Disturbances
In this video Paul Andersen explains how disturbances to a reversible reaction at equilibrium affect the equilibrium constant and the reaction quotient. For example if the concentration is changed the reaction will move to reestablish...
Bozeman Science
Endothermic and Exothermic Reactions
In this video Paul Andersen explains how heat can be absorbed in endothermic or released in exothermic reactions. An energy diagram can be used to show energy movements in these reactions and temperature can be used to measure them...
Crash Course
Equilibrium: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank goes over the ideas of keeping your life balance... well, your chemical life. Equilibrium is all about balance and today Hank discusses Chemical Equilibrium, Concentration, Temperature, and...
Bozeman Science
Using Gibbs Free Energy
In this video Paul Andersen explains how you can use the Gibbs Free Energy equation to determine if a process is spontaneous or not spontaneous. If the _G is less than zero the process is spontaneous. If the _G is greater than zero the...
Bozeman Science
Energy Changing Processes
In this video Paul Andersen explains how energy can enter and leave a system. The amount of energy a substance can receive through heating or lose through cooling is measured using the specific heat capacity. Phase changing energy from...
Bozeman Science
Spontaneous Processes
In this video Paul Andersen discriminates between spontaneous (or thermodynamically favored) processes and those that are not spontaneous. A spontaneous process requires no external energy source. If the enthalpy change in a reaction...
TED-Ed
TED-ED: What triggers a chemical reaction? - Kareem Jarrah
Chemicals are in everything we see, and the reactions between them can look like anything from rust on a spoon to an explosion on your stovetop. But why do these reactions happen in the first place? Kareem Jarrah answers this question by...
Bozeman Science
Enthalpy of Reaction
In this video Paul Andersen explains how the enthalpy of a reaction can be released in an exothermic or consumed in an endothermic reaction. According to Hess's law if the reaction is reversed the sign of the enthalpy of reaction is also...
Curated Video
Endothermic Reaction
We demonstrate an endothermic reaction by mixing hydrated barium hydroxide with ammonium thiocyanate. When these two solids react they take heat from the surrounding air. Chemistry - Reactions - Learning Points. Breaking bonds takes in...
Wonderscape
Understanding Energy Changes in Chemical Reactions
Explore the concept of energy changes in chemical reactions, including exothermic and endothermic reactions. Learn how chemical reactions can either release or absorb energy in the form of heat or light, with examples ranging from baking...
Curated Video
GCSE Chemistry - Exothermic and Endothermic Reactions #43
In this video we cover : - What exothermic and endothermic reactions are - What reaction profiles are and how to draw them - What activation energy is and how we show it on reaction profiles
Curated Video
Endothermic and Exothermic Reactions
Endothermic and Exothermic Reactions investigates heat-generating reactions and heat-consuming reactions by defining exothermic and endothermic.
Curated Video
Introduction to Reaction Profiles: Exothermic and Endothermic Reactions and Activation Energy
This video provides an overview of reaction profiles, explaining the concepts of exothermic and endothermic reactions, as well as activation energy. The presenter defines each of these terms, provides examples of each type of reaction,...
Curated Video
Understanding Reaction Profiles: Exothermic, Endothermic, and Activation Energy
This video provides an introduction to reaction profiles and explains the concepts of exothermic and endothermic reactions, as well as activation energy. The speaker uses a graphical representation of the energy changes involved in...
Curated Video
Photosynthesis: The Process of Creating Energy in Plants and Algae
This video explains the process of photosynthesis, which is how plants and algae make their own energy. The video describes the photosynthesis reaction, including the reactants (carbon dioxide and water) and products (glucose and oxygen)...
Catalyst University
General Chemistry | System, Surroundings, & Energy Transfer
How do we define the system? The surroundings? In this video, we explore this along with energy transfer between system and surroundings in the forms of heat and work. We also do a sample calculation of total energy (E = q + w).
msvgo
Applications of the first law
It explains the application of first law in terms of work. It describes the isothermal and free expansion of an ideal gas, enthalpy,intensive and extensive properties.
FuseSchool
Le Chatelier's Principle: Part 2
What exactly is Le Chatelier's Principle? And why is it important to learn it to understand chemical reactions?
Professor Dave Explains
IIT/JEE Chemistry Practice #29: Thermodynamics
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Curated Video
Factors Affecting Dynamic Equilibria: Exothermic and Endothermic Reactions, Dynamic Equilibrium, and Le Chatelier's Principle
The video discusses the factors affecting dynamic equilibrium by explaining the difference between exothermic and endothermic reactions, and how they relate to reversible reactions. The concept of dynamic equilibrium is explained using...
Curated Video
Visualizing Energy Changes in Chemical Reactions through Reaction Profiles
The video discusses how diagrams of reaction profiles can be used to show the energy changes that occur during chemical reactions. It explains the concept of energy conservation in chemical reactions and how the transfer of energy to or...
Curated Video
Exothermic and Endothermic Reactions: Experiments and Definitions
The video is a lecture presentation on exothermic and endothermic reactions. The presenter explains the definitions of these reactions and demonstrates two experiments to determine whether a reaction is exothermic or endothermic. The...
Visual Learning Systems
Investigating Chemical Reactions: Energy and Chemical Reactions
Upon viewing the Investigating Chemical Reactions video series, students will be able to do the following: Define a chemical reaction as a process in which substances undergo changes to produce new materials with different properties....
Curated OER
How to Blow Up a Balloon With Baking Soda & Vinegar
A simple combination of baking soda and vinegar creates enough carbon dioxide to blow up a balloon! It's an awesome illustration of chemical reactions for upper elementary learners, or use it with slightly older scientists to introduce...