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Exothermic and endothermic reactions The standard enthalpy change of reaction AHO can difference between the enthalpy of the products and the reactants under standard conditions If the enthalpy of the products is less than that of the rea will lose energy primarily as heat to its surroundings Wc reaction is exothermic An exothermic

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Where does the energy come from that is needed for an

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Endothermic reactions absorb thermal energy from the surrounding environment and result in a decrease in temperature Exothermic reactions on the other hand release thermal energy to the surrounding environment

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Okay this has confused me for centuries Now I know Exothermic = Release heat Gets warm Endothermic = Absorb heat Gets cold

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may be a nett requirement for energy to be supplied ENDOTHERMIC reaction The heat supplied by burning gas is an example of an exothermic reaction while the production of the metal iron from its ore iron oxide is endothermic the heat energy

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Chapter 17 Free Energy and Thermodynamics • For an exothermic reaction • When a system process is endothermic

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Is the vaporization of ethanol an endothermic or exothermic process In what temperature range is the vaporization of ethanol a spontaneous process Online Text

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Energy From Fossil Fuels Bond Making and Bond Breaking During chemical reactions energy is either released to the environment exothermic reaction or absorbed from the environment endothermic reaction

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Is the vaporization of ethanol an endothermic or exothermic process In what temperature range is the vaporization of ethanol a spontaneous process Online Text Using the tabulated values of S° in Appendix C calculate the

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