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9.) Calculate ΔH for the reaction: CH4(g) + 4 Cl2(g) -> CCl4(g) + 4 HCl(g) Use the following reactions and ΔH’s. C(s) + 2H2(g) -> CH4(g) ΔH = -74.6 kJ C(s) + 2 Cl2(g) -> CCl4(g) ΔH = -95.7 kJ H2(g) + Cl2(g) -> 2 HCl(g) ΔH = -92.3 kJ