Consider these reactions, where M represents a generic metal. 2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)  Δ?1=−651.0 kJ HCl(g)⟶HCl(aq)                                       Δ?2=−74.8 kJ H2(g)+Cl2(g)⟶2HCl(g)                           Δ?3=−1845.0 kJ MCl3(s)⟶MCl3(aq)                                  Δ?4=−210.0 kJ Use the given information to determine the enthalpy of the reaction   2M(s)+3Cl2(g)⟶2MCl3(s)

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