The balanced chemical equation corresponding to the standard enthalpy of formation of NaCl is:
A) Na2(s) + Cl2(g) → 2NaCl(s) .
B) 2Na(s) + Cl2(g) → 2NaCl(s) .
C) Na(s) + Cl2 (g) → NaCl(s) .
D) Na(s) + ½ Cl2(g) → NaCl(s) .
E) Na(s) + Cl(g) → NaCl(s) .
Correct Answer:
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