Theloshua
  • Theloshua
Describe how you would use the information depicted in the potential energy diagram below to determine the enthalpy change of the reaction and if the reaction is endothermic or exothermic.
Chemistry
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katieb
  • katieb
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Theloshua
  • Theloshua
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Theloshua
  • Theloshua
I understand that it is endothermic, I just don't get how I use it to determine the enthalpy change of the reaction
Photon336
  • Photon336
The Y axis is energy and the X axis is reaction progress. If you look at the graph you can see two things: the first is that you subtract the difference in energy (products - reactants)

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Photon336
  • Photon336
Usually they would give you energy values like point C and point A and you would subtract C-A
Theloshua
  • Theloshua
oh sorry, hey
Photon336
  • Photon336
They would have to give you numbers on the Y axis for that question

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