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Related Concept Videos

Energy Transfer in Chemical Reactions01:16

Energy Transfer in Chemical Reactions

13.1K
Chemical reactions require sufficient energy to cause the matter to collide with enough precision and force that old chemical bonds can be broken and new ones formed. In general, kinetic energy is the form of energy powering any type of matter in motion. Imagine a person building a brick wall. The energy it takes to lift and place one brick on top of another is the kinetic energy—the energy matter possesses because of its motion. Once the wall is in place, it stores potential energy.
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Thermochemical Equations02:55

Thermochemical Equations

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For a chemical reaction (the system) carried out at constant pressure – with the only work done caused by expansion or contraction – the enthalpy of reaction (also called the heat of reaction, ΔHrxn) is equal to the heat exchanged with the surroundings (qp).
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Energy Diagrams, Transition States, and Intermediates02:13

Energy Diagrams, Transition States, and Intermediates

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Free-energy diagrams, or reaction coordinate diagrams, are graphs showing the energy changes that occur during a chemical reaction. The reaction coordinate represented on the horizontal axis shows how far the reaction has progressed structurally. Positions along the x-axis close to the reactants have structures resembling the reactants, while positions close to the products resemble the products.  Peaks on the energy diagram represent stable structures with measurable lifetimes, while...
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Energy Basics02:27

Energy Basics

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Chemical reactions, such as those that occur when you light a match, involve changes in energy as well as matter.
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Thermal and Photochemical Electrocyclic Reactions: Overview01:26

Thermal and Photochemical Electrocyclic Reactions: Overview

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Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
3.2K
Thermal Sigmatropic Reactions: Overview01:16

Thermal Sigmatropic Reactions: Overview

2.7K
Sigmatropic rearrangements are a class of pericyclic reactions in which a σ bond migrates from one part of a π system to another. These are intramolecular rearrangements where the total number of σ and π bonds remain unchanged.
Sigmatropic shifts are classified based on an order term [i, j ], where i and j indicate the number of atoms across which each end of the σ bond migrates. Below are examples of a [3,3] sigmatropic shift in 1,5-hexadiene, referred...
2.7K

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Related Experiment Video

Updated: Apr 4, 2026

Preparation and Evaluation of Hybrid Composites of Chemical Fuel and Multi-walled Carbon Nanotubes in the Study of Thermopower Waves
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Materials, Chemistry, and Simulation for Future Energy Technology.

Kondo-Francois Aguey-Zinsou1, Da-Wei Wang2,3, Dang-Sheng Su4

  • 1MERLin Group, School of Chemical Engineering, The University of New South Wales, Sydney, NSW 2052 (Australia), Fax: (+61) 02-938-55966. f.aguey@unsw.edu.au.

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This summary is machine-generated.

Exploring new clean energy concepts is now faster than trial and error. Computer-aided design and reaction simulations accelerate the discovery of future energy solutions.

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Area of Science:

  • Multidisciplinary science and engineering focused on clean energy solutions.
  • Integration of novel materials, chemistry, and mechanisms for energy innovation.

Background:

  • Traditional "trial and error" methods are being superseded in clean energy research.
  • Advancements in information technology are enabling new approaches to energy exploration.

Discussion:

  • Computer-aided materials design offers a powerful tool for accelerating clean energy discovery.
  • Reaction simulations provide predictive capabilities for evaluating new energy concepts.
  • This special issue showcases innovative applications of computational methods in energy science.

Key Insights:

  • Computational approaches significantly enhance the efficiency of exploring novel clean energy concepts.
  • The synergy between materials science, chemistry, and IT is crucial for future energy breakthroughs.
  • Information technology innovations are transforming the landscape of energy research and development.

Outlook:

  • Continued integration of computational tools will drive the future of clean energy.
  • Further research into advanced materials and reaction mechanisms is essential.
  • The presented approaches pave the way for sustainable energy solutions.