A scientist measures the standard enthalpy change for the following reaction to be -101.2 kJ: 4HCl(g) + O₂(g) → 2H₂O(g) + 2Cl₂ (g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol Species AH (kJ/mol) H₂O(g) Cl₂ (g) O2(g) Submit Answer -241.8 0.0 0.0 Retry Entire Group 9 more group attempts remaining

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