Chemistry Practice Problems Enthalpy of Formation Practice Problems Solution: Which of the following equations represents a reac...

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Solution: Which of the following equations represents a reaction that provides the enthalpy of formation of NaClO3? A. NaClO(s) + O2(g) → NaClO3(s) B. NaClO2(s) + 1/2 O2(g) → NaClO3(s) C. NaClO2(s) + O(g) → NaClO3(s) D. Na(s) + Cl(g) + 3/2 O2(g) → NaClO3(s) E. Na(s) + 1/2 Cl2(g) + 3/2 O2(g) → NaClO3(s)

Problem

Which of the following equations represents a reaction that provides the enthalpy of formation of NaClO3?

A. NaClO(s) + O2(g) → NaClO3(s)

B. NaClO2(s) + 1/2 O2(g) → NaClO3(s)

C. NaClO2(s) + O(g) → NaClO3(s)

D. Na(s) + Cl(g) + 3/2 O2(g) → NaClO3(s)

E. Na(s) + 1/2 Cl2(g) + 3/2 O2(g) → NaClO3(s)