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Endothermic reactions, on the other hand, absorb heat and/or light from their surroundings. For example, decomposition reactions are usually endothermic. In endothermic reactions, the products have more enthalpy than the reactants. Thus, an endothermic reaction is said to have a positive enthalpy of reaction. This means that the energy required to break the bonds in the reactants is more than the energy released when new bonds form in the products; in other words, the reaction requires energy to proceed
Chris
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need to see the graph to answer
Principal,
We will dearly miss you. You have not only made this school great, but you have also made us, the students, great. We thank you for all your hard work and dedication that you put into this school. We wish you farewell and hope you enjoy your retirement.