Which of the following best describes the potential energy diagram of an endothermic process? (2 points)
Answer

The activation energy has a negative value, depicted by a trough or valley in the diagram.

The potential energy value of the reactants is greater than that of the products.

The required activation energy is greater than the enthalpy change of the reaction.

The potential energy value of the reactants is less than that of the products.

The best and most correct answer among the choices provided by your question is the third choice or letter B.

The required activation energy is greater than the enthalpy change of the reaction based on the potential energy diagram of an endothermic process.

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AsiaWoerner AsiaWoerner · Answer 2 · 2019-03-24T17:54:38+01:00

The potential energy diagram of an endothermic reaction will be like as shown in figure

As shown, the potential energy difference between product and reactant is positive,

We know that

a) for exothermic reaction : the energy difference between product and reactant is negative

b) for endothermic reaction : the energy difference between product and reactant is positive

The activation energy will never be negative. It will always be presented by a trough.