Question

question 4 points 1 the enthalpy change for an exothermic reaction is always ________. positive negative neutral zero

Explanation:

In an exothermic reaction, heat is released. Enthalpy change ($\Delta H$) is calculated as $\Delta H=\text{H}_{\text{products}}-\text{H}_{\text{reactants}}$. Since heat is released, $\text{H}_{\text{products}}<\text{H}_{\text{reactants}}$, so $\Delta H < 0$.

Answer:

negative