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Consider the reaction pathway graph below.


Which conclusion can be accurately drawn from the graph?
Hrxn for the complete reaction is negative, but Ea is positive.
Hrxn for the complete reaction is positive, but Ea is negative.
The breakdown of ozone is an exothermic process.
The breakdown of ozone is an endothermic process.

Consider the reaction pathway graph below Which conclusion can be accurately drawn from the graph Hrxn for the complete reaction is negative but Ea is positive class=

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Dejanras
Answer is: The breakdown of ozone is an endothermic process.
There are two types of reaction: endothermic reaction (chemical reaction that absorbs more energy than it releases) and exothermic reaction (chemical reaction that releases more energy than it absorbs). 
Ozone has lower energy than molecular oxygen (O₂) and oxygen atom, so ozone need energy to break bond between ohygen atoms.

Answer:

D

Explanation:

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