化学方程式配平经典练习题(含答案)

()1()(1)P+O2P2O5(2)C+O2CO(3)Al+O2Al2O3(4)Fe+O2Fe3O4(5)Mg+O2MgO(6)H2O2MnO2H2O+O2(7)H2OH2+O2(8)H2+O2H2O2(1)CuSO4+NaOHNa2SO4+Cu(OH)2(2)Mg+HClMgCl2+H2(3)Fe2O3+H2SO4Fe2(SO4)3+H2O(4)Al+H2SO4Al2(SO4)3+H2(5)Fe(OH)3+H2SO4Fe2(SO4)3+H2O(6)Al2(SO4)3+NaOHNa2SO4+Al(OH)331KMnO4K2MnO4+MnO2+O22Al+CuSO4Al2(SO4)3+Cu3Zn+HClZnCl2+H24Al2O3+H2SO4Al2(SO4)3+H2O5Fe2(SO4)3+NaOHNa2SO4+Fe(OH)36Fe(OH)3+H2SO4Fe2(SO4)3+H2O7CH4+O2CO2+H2O8C+CO2CO9NH3+O2NO+H2O(10)CO+Fe2O3Fe+CO21X+2O2===CO2+2H2OXACOBCH4CCH3OHDC2H42XX+3O2===2CO2+3H2OXAC2H4BC2H4OCC2H6DC2H6O34Cu+10HNO3=4Cu(NO3)3+X+5H2OXANOBNO2CN2ODN2O34XB22X+B2=2AB3XAAB2BA2B2CAB3DA2B35RRARBRCRDR6W4.4CO23.66.4WACHOBCHOCCHOD7A11B21C232D4328ABCD9(KClO3)(MnO2)(KCl)10N2H4______________________________________11C3H6O3____________________________________________12COSO2NOCONOCONO________13-314_____________________3()(1)4P+5O22P2O5(2)2C+O22CO(3)4Al+3O22Al2O3(4)3Fe+2O2Fe3O4(5)2Mg+O22MgO(6)2H2O2MnO22H2O+O2(7)2H2O2H2+O2(8)2H2+O22H2O4(1)CuSO4+2NaOHNa2SO4+Cu(OH)2(2)Mg+2HClMgCl2+H2(3)Fe2O3+3H2SO4Fe2(SO4)3+3H2O(4)2Al+3H2SO4Al2(SO4)3+3H2(5)2Fe(OH)3+3H2SO4Fe2(SO4)3+6H2O(6)Al2(SO4)3+6NaOH3Na2SO4+2Al(OH)3312KMnO4K2MnO4+MnO2+O222Al+3CuSO4Al2(SO4)3+3Cu3Zn+2HClZnCl2+H24Al2O3+3H2SO4Al2(SO4)3+3H2O5Fe2(SO4)3+6NaOH3Na2SO4+2Fe(OH)362Fe(OH)3+3H2SO4Fe2(SO4)3+6H2O7CH4+2O2CO2+2H2O8C+CO22CO94NH3+5O24NO+6H2O(10)3CO+Fe2O32Fe+3CO215BCCAC68BBA