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Chemistry

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For a chemical reaction, the activation energy for the forward reaction is +215 kJ and the activation energy for the reverse reaction is +59 kJ. What is the overall energy change for the forward reaction?A)+156 kJB)+215 kJC)-156 kJD)+274 kJE)-274 kJ

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Today at 10:10 AM

Answer:

A) +156

Explanation:

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ajinems ajinems

Today at 10:10 AM

The overall energy change = +156kJ. That is option A.

Activation energy of chemical reaction

The activation energy of a chemical reaction is the amount of energy needed to activate atoms to a condition in which they can undergo chemical transformation.

The activation energy for forward reaction = +215 kJ

The activation energy for reverse reaction = +59 kJ.

The overall energy (∆H) = Ef - Er

= +215 - (+59)

= +215 - 59

= +156kJ

Therefore, the the overall energy change for the forward reaction = +156kJ

Learn more about activation energy here:

https://brainly.com/question/26724488

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