The horizontal bars in a diagram correspond to these average bond energies (in kJ·mol⁻¹):
H–H 436 F–F 158 H–F 565 O–H 463
Use the values shown to calculate ΔH for the reaction below.
H₂(g) + F₂(g) → 2 HF(g)
a) +5.36×102kJmol−1
b) −5.36×102kJmol−1
c) −1.07×103kJmol−1
d) −3.32×102kJmol−1