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The (triangle)Hrxn of formation of carbon dioxide is negative. Which statement is true? The reaction is endothermic. The reaction is exothermic. The amount of carbon dioxide is more than the amount of reactants. The amount of carbon dioxide is less than the amount of reactants.

Zach Chandler

in Chemistry

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Ralph Lopez on January 12, 2019

The negative-ion reactions that involve the formation of carbon dioxide in the atmosphere is generally an exothermic reaction. By definition, an exothermic reaction takes place when the chemical finally releases heat as a byproduct. This is in contrast to endothermic process where heat is absorbed.


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