@X@user.full_nаme@X@ @GMU: Whаt is the entrоpy chаnge fоr the reactiоn below, if the standard entropies of reactants and products are So (C(gr)) = 5.74 J/mol*K, So(H2(g)) = 130.68 J/mol*K, and So(C8H18(l)) = 358.000 J/mol*K.C8H18(l) → 8C(gr) + 9H2(g)