ElizabethMartin4531 ElizabethMartin4531

29-01-2024
Chemistry

contestada

Manganese dioxide (MnO2(s), ΔHf = -520.0 kJ) reacts with aluminum to form aluminum oxide (Al2O3(s), ΔHf = -1699.8 kJ/mol) and manganese according to the equation. What is the enthalpy of the reaction?
a. -1,839.6 kJ
b. -1,179.8 kJ
c. 1,179.8 kJ
d. 1,839.6 kJ

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