PbCl2 ---------> Pb(s) + Cl2 H=359,4
Pb(s) + 2Cl2 ----> PbCl4 H=-329,3
-------------------------------------------------------
PbCl2 + Cl2 -------> PbCl4. H= +30,1
GAB: A
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PbCl2 ---------> Pb(s) + Cl2 H=359,4
Pb(s) + 2Cl2 ----> PbCl4 H=-329,3
-------------------------------------------------------
PbCl2 + Cl2 -------> PbCl4. H= +30,1
GAB: A