Determine the entropy change for the following displacement reaction. Cl2(g) + PbBr2(aq) → PbCl2(aq) + Br2(l).

DS: (J/K mol)
Cl2(g) 223.066; PbBr2(aq) 182.7; PbCl2(aq) 131.3; Br2(l) 152.231

1 answer

DSrxn = (DSproducts)-(DSreactants).
Just plug in the numbers and calculate.