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Ierofanga [76]
3 years ago
9

Which information about a chemical reaction is provided by a potential energy diagram?(1) the oxidation states of the reactants

and products
(2) the average kinetic energy of the reactants and products
(3) the change in solubility of the reacting substances
(4) the energy released or absorbed during the reaction

Chemistry
2 answers:
myrzilka [38]3 years ago
5 0

Answer: (4) the energy released or absorbed during the reaction

Explanation: Potential energy diagram is the representation of energy with the course of reaction. It shows the energy of reactants, activation energy which is the energy required by the reactants to cross the energy barrier and the energy of the products.

Thus the difference of energy of products and energy of reactants gives us the energy released or absorbed during the reaction.

\Delta H=E_P-E_R

where \Delta H = enthalpy of reaction

E_P = energy of products

E_R = energy of reactants

If E_P > E_R , energy is absorbed and reaction is endothermic

E_P < E_R , energy is released and the reaction is exothermic.

BaLLatris [955]3 years ago
3 0
D. The energy released or absorbed during the reaction 

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