E Enthalpy - Chemistry - OpenStax b A uranium-235 nucleus decays by x 101 Chem101 + X app.101edu.co Submit Question 20 of 29 For the chemical reaction Ca (s) + ½ O2 (g) What is the enthalpy for the reaction 2 CaO (s) → 2 Ca (s) + O2 (g)? CaO (s) AH° = -635 kJ/mol. |kJ/mol 1 3 4 8. 9. +/- x 100 10:40 PM O Type here to search 12/7/2019 LO

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