Bozeman Science
The Rate of Reactions
In this video Paul Andersen defines the rate of a reaction as the number of reactants that are consumed during a given period of time. The rate of the reaction can be affected by the type of reaction as well as the concentration,...
Bozeman Science
The Reaction Path
In this video Paul Andersen explains how the reaction path can be described in an energy profile. Enough energy must be added to reach the activation energy required and stress the bonds. Eventually the bonds break and new bonds are...
Bozeman Science
Elementary Reactions
In this video Paul Andersen explains that elementary reactions are steps within a larger reaction mechanism. Colliding molecules require sufficient energy and proper orientation to break bonds and form new bonds. A unimolecular reaction...
Curated Video
Collision Theory on Bond Formation and Reaction Rates
Explains how particles collide for a reaction to occur and how this process affects the rate of a reaction.
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
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...
Visual Learning Systems
Reactions: Video Quiz
Chemicals interacting with each other are one of the most fascinating topics in chemistry. Fireworks, burning flares, and rusting all illustrate chemical reactions. The different types of reactions are described, as well as the process...
Visual Learning Systems
Reactions: Introduction
Chemicals interacting with each other are one of the most fascinating topics in chemistry. Fireworks, burning flares, and rusting all illustrate chemical reactions. The different types of reactions are described, as well as the process...
Curated Video
Investigating the Effect of Concentration on Chemical Reaction Rate: A Practical Experiment
In this video, the speaker discusses a required practical activity on the chemistry specification which involves investigating how increasing the concentration of a reactant increases the rate of reaction by collecting a gas. The speaker...
Curated Video
Investigating the Effect of Surface Area on the Rate of Reaction
The video discusses the topic of investigating the effect of surface area on the rate of chemical reactions. The presenter explains the concept of collision theory and how chemical reactions occur when particles collide with each other....
Visual Learning Systems
Reactions: Balancing Chemical Equations
Chemicals interacting with each other are one of the most fascinating topics in chemistry. Fireworks, burning flares, and rusting all illustrate chemical reactions. The different types of reactions are described, as well as the process...
Curated Video
Factors Affecting the Rate of Reaction
The video discusses the factors that affect the rate of chemical reactions. The first factor is the number of collisions with enough energy to react. Other factors include changing the pressure, concentration, surface area, and...
MinutePhysics
The Unreasonable Efficiency of Black Holes
This video is about how efficient various reactions are at converting mass to energy (as we know from the Einstein mass-energy equivalence of E=mc^2). Antimatter is very efficient but it is not naturally-occurring. Chemical reactions...
Curated Video
Understanding Rates of Reaction: Measuring, Calculating, and Interpreting Reaction Graphs
The video is a lecture presentation on rates of reaction. The speaker explains what is meant by rates of reaction and the different ways to measure it. They give examples of experiments to measure the rate of a reaction. The speaker also...
Crash Course
Kinetics: Chemistry's Demolition Derby - Crash Course Chemistry
Have you ever been to a Demolition Derby? Then you have an idea of how molecular collisions happen. In this episode, Hank talks about collisions between molecules and atoms, activation energy, writing rate laws, equilibrium expressions,...
Curated Video
Understanding Collision Theory and Activation Energy for Chemical Reactions
The video explains collision theory and activation energy in chemistry. It demonstrates the concept of how reacting particles need to collide with sufficient energy to break reactant bonds and form new products. The video also explains...
Visual Learning Systems
Reactions: Single and Double Replacement Reactions
Chemicals interacting with each other are one of the most fascinating topics in chemistry. Fireworks, burning flares, and rusting all illustrate chemical reactions. The different types of reactions are described, as well as the process...
Curated Video
BIOLOGY - Plant Biology - Rate of Photosynthesis
hotosynthesis is a chemical reaction that is fundamental to life. In this video we are going to have a look at the factors that affect the rate of photosynthesis. There are 3 main factors: light intensity, carbon dioxide concentration...
Curated Video
Understanding Cellular Respiration and Metabolism
This video explains the process of cellular respiration and the different ways in which respiration can take place. It discusses aerobic and anaerobic respiration, along with their word equations and balanced symbol equations. The video...
msvgo
Enthalpy Change in rate of H of a Reaction - Reaction Enthalpy
It defines the term reaction enthalpy,expression for the enthalpy change, standard enthalpy of reactions and formation as well enthalpy change during phase transformations.
Bozeman Science
Electrochemistry
In this video Paul Andersen explains how electrochemical reactions can separate the reduction and oxidation portions of a redox reactions to generate (or consume) electricity. The half reactions can be analyzed to determine the potential...
Science Buddies
Explore Enzyme Activitiy with Toothpicks
Do you know what enzymes are? Enzymes are like little machines that help carry out and speed up chemical reactions. In our body, for example, enzymes help break down the food we eat. This video shows how you can use a toothpick model to...
Curated Video
Introduction to Catalysts and Investigating Catalytic Activity with Hydrogen Peroxide Decomposition
This video provides an explanation of what a catalyst is and how it can increase the rate of chemical reactions. The concept of activation energy is introduced, and it is explained that catalysts lower activation energy, allowing more...
Curated Video
How To Measure Loss Of Mass In A Reaction | Chemical Calculations | Chemistry | FuseSchool
In this video, we’re going to learn about the loss of mass in a chemical reaction, how it happens and why we measure this. The total MASS of reactants will be the same as that of the products, as mass is always conserved in a chemical...