For the reaction
2C₆H₅CO₂H(s)+13O₂(g)→12CO₂(g)+6H₂O(g)
ΔU⁰ = −772.7kJ mol⁻¹ at 298K
Calculate ΔH0 .

(A)+760.3 kJmol⁻¹
(B)−760.3 kJmol⁻¹
(C)+670.3 kJmol⁻¹
(D)−790.3 kJmol⁻¹