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BQ GIAO DUC VA DAO TAO DAIHQCHUE
t
Hp vd ftn th{ sinh: So bdodanh:.....
n / , ,
Aeq6
(Dqt ri rnr rwBN srNHsAUDArnec uAivr 2012 t)
M6n thi: Co s& lf thuy6t h,ia hgc vir c6u t4o ch6t (ddnh cho: Cao hgc) Thdi gian ldm bdi: lB0 philt CAU1 Choc6cphanimg sau,xdy ra d 25oC: 2H2S(r) + Fe(r) : FeS2(r) + 2H2&) LLl2ss:-137,9*t^tt'
H2S(r) + =Oz&) = HrO(D + SO2(it) LHz*:-562,0k1/mol; el6t nirigt tao thdnh ti6u chu6n cria SO2(l) vn HzO(| Hn tuqt beng -296,81 kl/mot vit, -285,83 kl/mol.Hdy tinhnhiCt t4o thdnhti6u chu6ncriaHzS(,t)vd FeSz(r). Ciu2. I) So sdnhnhiQt.dQ cuadungm6i nguy6n s6i chAtvd dungdich chrtach6ttan kh6ngbay hoi, kh6ng tliQnly 6 cimg 6p su6tngoai. 2) M6.tdungdich nu6c chua ch6ttan khdng bay hoi k6t tinh d 271,5K. X6c dlnh nhiQtdQs6i cuadung dich bi6t hdngs6nghiQm lantrvd hZngs6nghiQm crianu6c16n s6i luqt ld 1,86vd 0,513. Ciu 3. -* IO- + Cf h0,0606mofl.l.s{.N€undngdQ + ,625oc,hangs5t5cdQcriaphanimg:f CIOban dAu cria cric chdt phan img
nguon tai.lieu . vn
t
Hp vd ftn th{ sinh: So bdodanh:.....
n / , ,
Aeq6
(Dqt ri rnr rwBN srNHsAUDArnec uAivr 2012 t)
M6n thi: Co s& lf thuy6t h,ia hgc vir c6u t4o ch6t (ddnh cho: Cao hgc) Thdi gian ldm bdi: lB0 philt CAU1 Choc6cphanimg sau,xdy ra d 25oC: 2H2S(r) + Fe(r) : FeS2(r) + 2H2&) LLl2ss:-137,9*t^tt'
H2S(r) + =Oz&) = HrO(D + SO2(it) LHz*:-562,0k1/mol; el6t nirigt tao thdnh ti6u chu6n cria SO2(l) vn HzO(| Hn tuqt beng -296,81 kl/mot vit, -285,83 kl/mol.Hdy tinhnhiCt t4o thdnhti6u chu6ncriaHzS(,t)vd FeSz(r). Ciu2. I) So sdnhnhiQt.dQ cuadungm6i nguy6n s6i chAtvd dungdich chrtach6ttan kh6ngbay hoi, kh6ng tliQnly 6 cimg 6p su6tngoai. 2) M6.tdungdich nu6c chua ch6ttan khdng bay hoi k6t tinh d 271,5K. X6c dlnh nhiQtdQs6i cuadung dich bi6t hdngs6nghiQm lantrvd hZngs6nghiQm crianu6c16n s6i luqt ld 1,86vd 0,513. Ciu 3. -* IO- + Cf h0,0606mofl.l.s{.N€undngdQ + ,625oc,hangs5t5cdQcriaphanimg:f CIOban dAu cria cric chdt phan img