Ngày tải lên :
14/08/2012, 11:06
... + ( 3n ) O2 nCO2 + nH 2O ỏp dng pp tng gim lng nX = (5, 3, 88) 3, 88 = 0, 06 mol => 14 n = 32 => n = 2 ,33 3 22 0.06 (3. n 2) (3. 2 ,33 2) nX = 0, 06 = 0,1499 mol => VO = 22, 4.0,1499 = 3, 36 lớt ... 2Fe(NO3 )3 3Fe(NO3)2 AgNO3 + Fe(NO3)2 Fe(NO3 )3 + Ag Dóy sp xp theo th t tng dn tớnh oxi húa cỏc ion kim loi l: A Ag+, Fe2+, Fe3+ B Fe2+, Fe3+, Ag+ C Fe2+, Ag+, Fe3+ D Ag+, Fe3+, Fe2+ Hng dn: Fe3+ ... X, Y, Z ln lt l: A CH2=CH-CH2-OH, CH3-CH2-CHO, CH3-CO-CH3 B CH2=CH-CH2-OH, CH3-CO-CH3, CH3-CH2-CHO C CH3-CH2-CHO, CH3-CO-CH3, CH2=CH-CH2-OH D CH3-CO-CH3, CH3-CH2-CHO, CH2=CH-CH2-OH Gii: Z khụng...