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Fe2O3(s) + 3 C = 2 Fe(s) + 3 CO(g)
Ca(NO3)2(aq) + (NH4)2CO3(aq) = CaCO3(s) + NH4NO3(aq) =>
Ca(NO3)2(aq) + (NH4)2CO3(aq) = CaCO3(s) + 2 NH4NO3(aq)
HCO3 + Mg = MgCO3 + CO2 + H2O =>
2 HCO3 + Mg = MgCO3 + CO2 + H2O
Na2SO4 + PbNO3 = NaNO3 + Pb2SO4 =>
Na2SO4 + 2 PbNO3 = 2 NaNO3 + Pb2SO4
Fe2O3(s) + C = Fe(s) + CO2 =>
2 Fe2O3(s) + 3 C = 4 Fe(s) + 3 CO2
KNO3 + NH4CI = KCI + NH4NO3 =>
KNO3 + NH4CI = KCI + NH4NO3
Al2S3 + HNO3 = Al(NO3)3 + NO + S + H2O =>
Al2S3 + 8 HNO3 = 2 Al(NO3)3 + 2 NO + 3 S + 4 H2O
Pb + H3PO4(aq) = H2 + Pb3(PO4)3 =>
6 Pb + 6 H3PO4(aq) = 9 H2 + 2 Pb3(PO4)3
C135H96O9NS + O2 = CO2 + H2O + NO2 + SO2 =>
2 C135H96O9NS + 313 O2 = 270 CO2 + 96 H2O + 2 NO2 + 2 SO2
Ca(NO3)2(aq) + (NH4)2CO3(aq) = CaCO3 + NH4NO3 =>
Ca(NO3)2(aq) + (NH4)2CO3(aq) = CaCO3 + 2 NH4NO3
K(aq) + NaOH(aq) = KOH(aq) + Na(aq) =>
K(aq) + NaOH(aq) = KOH(aq) + Na(aq)
K4(Fe(CN)6) + FeCl3 = KCl + KFe(Fe(CN)6) =>
K4(Fe(CN)6) + FeCl3 = 3 KCl + KFe(Fe(CN)6)
Ti + S8 = TiS =>
8 Ti + S8 = 8 TiS
Li(s) + Fe(NO3)3(aq) = LiNO3(aq) + Fe(s) =>
3 Li(s) + Fe(NO3)3(aq) = 3 LiNO3(aq) + Fe(s)
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
Fe2O3(s) + C = Fe(s) + CO2 =>
2 Fe2O3(s) + 3 C = 4 Fe(s) + 3 CO2
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
CuI2 + Na2S2O3 = CuI + Na2S4O6 + NaI =>
2 CuI2 + 2 Na2S2O3 = 2 CuI + Na2S4O6 + 2 NaI
Ca(NO3)2(aq) + (NH4)2CO3(aq) = CaCO3(s) + NH4NO3(aq) =>
Ca(NO3)2(aq) + (NH4)2CO3(aq) = CaCO3(s) + 2 NH4NO3(aq)
HOCl + Ba(OH)2 = Ba(ClO)2 + H2O =>
2 HOCl + Ba(OH)2 = Ba(ClO)2 + 2 H2O
Fe2O3(s) + C = Fe(l) + CO(g) =>
Fe2O3(s) + 3 C = 2 Fe(l) + 3 CO(g)
(C2H5)2NH + H2O = (C2H5)2N + H3O =>
(C2H5)2NH + H2O = (C2H5)2N + H3O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Li(s) + Fe(NO3)3(aq) = LiNO3 + Fe =>
3 Li(s) + Fe(NO3)3(aq) = 3 LiNO3 + Fe
Na3P + Na2Cr2O7 + HCl = Na3PO4 + CrCl3 + NaCl + H2O =>
3 Na3P + 4 Na2Cr2O7 + 32 HCl = 3 Na3PO4 + 8 CrCl3 + 8 NaCl + 16 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
HI + P2O5 = POI3 + H3PO4 =>
3 HI + P2O5 = POI3 + H3PO4
Sn + CrCl3 = Cr + SnCl4 =>
3 Sn + 4 CrCl3 = 4 Cr + 3 SnCl4
Fe2O3(s) + C = Fe(l) + CO(g) =>
Fe2O3(s) + 3 C = 2 Fe(l) + 3 CO(g)
Hg + CrCl3 = HgCl2 + Cr =>
3 Hg + 2 CrCl3 = 3 HgCl2 + 2 Cr
Li(s) + Fe(NO3)3(aq) = Li(NO3) + Fe =>
3 Li(s) + Fe(NO3)3(aq) = 3 Li(NO3) + Fe
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
Fe2O3(s) + C = Fe(s) + CO =>
Fe2O3(s) + 3 C = 2 Fe(s) + 3 CO
Fe2O3(s) + C = Fe + CO2 =>
2 Fe2O3(s) + 3 C = 4 Fe + 3 CO2
(C2H5)2NH + H2O = OH{-} + (C2H5)2NH2{+} =>
(C2H5)2NH + H2O = OH{-} + (C2H5)2NH2{+}
CH3COOH = H3 + CH3COO =>
3 CH3COOH = H3 + 3 CH3COO
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
HCl + CuSO4 = HClCuSO4 =>
HCl + CuSO4 = HClCuSO4
KHSO4 + NaOH = KSO4Na + H2O =>
KHSO4 + NaOH = KSO4Na + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C3H8O3 + H2 = C3H6 + H2O =>
C3H8O3 + 2 H2 = C3H6 + 3 H2O
In(NO3)3 + H2O = In(OH)3 + HNO3 =>
In(NO3)3 + 3 H2O = In(OH)3 + 3 HNO3
HCl + NaNO2 = NOCl + NaCl + H2O =>
2 HCl + NaNO2 = NOCl + NaCl + H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Al2O3 + H3PO4 = (AlOH)3(PO4)2 + H2O =>
3 Al2O3 + 4 H3PO4 = 2(AlOH)3(PO4)2 + 3 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Ca3N2 = Ca + N =>
Ca3N2 = 3 Ca + 2 N
Li(s) + Fe(NO3)3(aq) = LiNO3(aq) + Fe(s) =>
3 Li(s) + Fe(NO3)3(aq) = 3 LiNO3(aq) + Fe(s)
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