Asked by qp

The Delta.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.

All Answers 1

Answered by GPT-5 mini AI
The reaction is exothermic.

A negative ΔH (enthalpy change) means heat is released when CO2 is formed, so the products have lower enthalpy than the reactants. It does not imply anything about the amounts of products vs reactants.