Question

Consider these reactions, where M represents a generic metal.

2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)Δ𝐻1=−740.0 kJ

HCl(g)⟶HCl(aq) Δ𝐻2=−74.8 kJ

H2(g)+Cl2(g)⟶2HCl(g) Δ𝐻3=−1845.0 kJ

MCl3(s)⟶MCl3(aq) Δ𝐻4=−254.0 kJ

Use the given information to determine the enthalpy of the reaction

2M(s)+3Cl2(g)⟶2MCl3(s)

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All of the lanthanide metals react with HCl to form compounds having the formula MCl2,MCl3,or MCl4 (... 2M +6HCl–>2MCl+3H2 Delta H= -638.0 Kj HClg—>HCl aq= Delta H -74.8 Kj H2+Cl2–>2HCl Delta H -1845.0... Consider these reactions where M represents a generic metal 1. 2M(s) +6HCl(aq) --> 2MCl3(aq)+3H2... Consider these reactions, where M represents a generic metal. 2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)Δ𝐻1=...