Potential Energy Diagrams in Chemical Reactions
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These flashcards cover the key concepts related to potential energy diagrams and activation energies in chemical reactions.
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9 Terms
What is the activation energy of the forward reaction for the CO2 and NO reaction?
+361 kJ
What is the enthalpy change (ΔH) of the forward reaction?
+226 kJ
The activation energy of the reverse reaction can be calculated using which formula?
Ea(fwd) - ΔH = Ea(rev)
Calculate the activation energy of the reverse reaction given Ea(fwd) = +361 kJ and ΔH = +226 kJ.
Ea(rev) = +135 kJ
What are the reactants in the reaction of CO2 and NO?
CO2(g) and NO(g)
What are the products formed from the reaction of CO2 and NO?
CO(g) and NO2(g)
In a potential energy diagram, what is the significance of the transition state?
It is the peak energy point that represents the activated complex during a reaction.
What type of reaction is indicated if the reactants are at a lower energy level than the products in a potential energy diagram?
An endothermic reaction.
What does the term 'activated complex' refer to in a potential energy diagram?
It refers to the temporary structure formed during the transition state of a reaction.