Given the following information, SO3 (g) + H2O(1) → H2SO4 (1) AH = -133 kJ %3D Pb(s) + PbO2 (s) + 2H2SO4(1) → 2PBSO4(s) + 2H20(1) AH = -509 kJ %3D calculate the AH for the reaction below. Pb(s) + PbO2 (s) + 2SO3 (g) → 2PBSO4 (s)

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