Given the following data:

C₂H₂(g) + 5/2O₂(g) → 2CO₂(g) + H₂O(l) ΔH = -1300. kJ
C(s) + O₂(g) → CO₂(g) ΔH = -394 kJ
H₂(g) + 1/2 O₂(g) → H₂O(l) ΔH = -286 kJ

Calculate ΔH for the reaction 2C(s) + H₂(g) → C₂H2₂(g)