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Catalyst University
General Chemistry | Enthalpy of Reaction (ΔH_rxn) [Example 1]
Here is one example in which we calculate enthalpy of reaction (ΔH_rxn).
Professor Dave Explains
The Zeroth Law of Thermodynamics: Thermal Equilibrium
You've heard of the laws of thermodynamics, but did you know there are actually four of them? It's true, and since they already had laws one, two, and three, but then wanted to formulate another more fundamental one, the number right...
Mazz Media
Introduction to Thermochemistry
This video begins with real world examples of heat transfer involving energy changes from chemical potential energy. The program shows exothermic reactions which occur such as a gasoline engine, wood on a campfire and athletes running....
Catalyst University
Virial Equation of State & The Boyle Temperature
Virial Equation of State & The Boyle Temperature
Curated Video
The Wonders of Stars and Constellations
Stars are much bigger and complex than they look from Earth. Learn how they form and how they are classified.
ATHS Engineering
Thermodynamics: Thermal Equilibrium Calculations
This is explains how to calculate energy changes when two substances are in thermal equilibrium and one system does work on the other. The teacher provides examples and walks through the calculations step-by-step, preparing students for...
ATHS Engineering
Thermodynamics: Insulation
This video explains how to use the U-value and R-value equations to make a house more energy-efficient. He provides examples of how to increase insulation and use reflective material to improve the R-value. By doing so, homeowners can...
Professor Dave Explains
Practice Problem: Calorimetry and Specific Heat
In calorimetry experiments we measure heat transfer. Say we take a hot piece of metal and put it in some cold water, and measure the rise in temperature of the water as the system equilibrates. Can you use this information to calculate...
ATHS Engineering
Thermodynamics: The Stefan Boltzmann Law
In this video, the teacher explains Stefan's law, which states that all objects radiate heat through electromagnetic radiation. The law's equation is discussed, and an example is given to help understand how to calculate energy loss...
Professor Dave Explains
The First Law of Thermodynamics: Internal Energy, Heat, and Work
In chemistry we talked about the first law of thermodynamics as being the law of conservation of energy, and that's one way of looking at it, but physicists like doing math more than chemists do, so let's talk about the first law in...
msvgo
Enthalpies for different types of reactions
It describes the standard enthalpy of combustion. It explains the enthalpy of atomisation and bond enthalpy and discusses the enthalpy of solution and lattice enthalpy.
Higgsino Physics
The Fastest Way to Cool Coffee?
The physics of how to cool down your cup of coffee or tea fastest. Testing with physics how to cool down your coffee or drink. And explaining heat transfer: convection, conduction, evaporative cooling. The basics of thermodynamics...
Professor Dave Explains
The Second Law of Thermodynamics: Heat Flow, Entropy, and Microstates
What the heck is entropy?! You've heard a dozen different explanations. Disorder, microstates, Carnot engines... so many different wordings and interpretations! Really, they are all related, so let's go through a few different...
Catalyst University
General Chemistry | Heat Capacity (q=smΔT) [Example 1]
Here, we perform a sample calculation for heat capacity in which we solve for heat (q) using q=smΔT.
Higgsino Physics
Entropy Explained - Why Heat Only Flows From Hot to Cold
Entropy explained with simulations. Intuitively understand entropy. Why Heat only flows one direction. Physics lecture with simulations of the system. The reason is because of statistics and more specifically multiplicity. We will...
Catalyst University
Partial Derivatives: Total Differentials
Partial Derivatives: Total Differentials
Professor Dave Explains
IIT/JEE Chemistry Practice #26: Enthalpy of Combustion
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!