For the chemical reaction H2 (g) + F2 (g) → 2 HF (9) AH° = -79.2
kJ/mol.
1
What is the molar enthalpy (in kJ/mol)
for the reaction
3 H2 (g) + 3 F2 (g) →6 HF (g)
4.

Acompound consisting of b, n, and h undergoes elemental analysis. the % composition by mass is found to be 40.28% b, 52.20% n, and 7.53% h. what is the empirical formula for this molecule? enter in the empirical formula in the form bxnyhz