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The interpretation of an energy diagram is used to determine whether a reaction is exothermic or endothermic, either by the general shape of the curve or by calculating the enthalpy change of the reaction.
Endothermic and exothermic reactions can be visually represented by energy-level diagrams like the ones in Figure \(\PageIndex{2}\). In endothermic reactions, the reactants have higher bond energy ( stronger bonds ) than the products.
Exothermic Reaction Energy Diagrams: Exothermic reactions release energy during the reaction. So, when drawing the energy diagram, you want the reactants on the graph to be higher than the products. The products will end at a higher energy than the reactants? Why? We put energy into the system.
indicating that a reaction is exothermic. “Energy is released (from system to surroundings)”, U < 0, and “heat is a product” are all ways of indicating that a process is exothermic. Some people also write a chemical reaction including energy/heat: A + B C + heat/energy
27 paź 2024 · The energy level diagram for the reaction of hydrogen with chlorine to form hydrogen chloride gas. Exothermic reaction. In an exothermic reaction, the reactants are higher in energy than the products. The reactants are therefore closer in energy to the transition state
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Differentiate between reversible exothermic, irreversible exothermic, and endothermic reactions and draw appropriate graphs to represent each which include axis labels, activation energy, and the effect a catalyst would have on the graph.