Calculate the heat of reaction for the reaction 25(g) + 2 OF 2(g) → SO₂(g) + SF4(g) using the following thermochemical reactions: OF2(g) + H₂O(1)→ O2(g) + 2 HF(g) SF4(g) S(g) + O2(g) + 2 H₂O (1) → SO2(g) + 4HF) SO2(g) AH° = -277 kJ AH° = -828 kJ AH° = -297 kJ

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