Activation energy in a chemical reaction

Videonummer 12081386
Activation energy in a chemical reaction. Animation of a graph showing the activation energy for a specific reaction. The graph shows the changes in the energy state of the reaction over time as the energy level moves through the transition state between the reactants (left) and the products (right). This reaction is between the diatomic gas hydrogen (H2, grey) and the diatomic gas chlorine (Cl2, green) to form molecules of hydrogen chloride (HCl). The bond energy is 432 kilojoules per mole (kJ/mol) for a hydrogen molecule and 240 kJ/mol for a chlorine molecule. These bond energies combined are the activation energy of 672 kJ/mol for this reaction.
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Credit: Science Photo Library / RHYS LEWIS, AHS, DECD, UNISA
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Länge: 37 Sekunden
Seitenverhältnis: 16:9
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