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P4 + 2 NaOH + 2 H2O = 2 NaH2PO2 + 2 PH
C2H5OH + Na = C2H5ONa + H2 =>
2 C2H5OH + 2 Na = 2 C2H5ONa + H2
LiOH + HCl = H2O + LiCl =>
LiOH + HCl = H2O + LiCl
Hg(OH)3 + H3PO4 = HgPO4 + H2O =>
Hg(OH)3 + H3PO4 = HgPO4 + 3 H2O
SnS2 + Ca = CaS + Sn =>
SnS2 + 2 Ca = 2 CaS + Sn
NH3 + SO4 = N2 + S + H2O =>
8 NH3 + 3 SO4 = 4 N2 + 3 S + 12 H2O
CaI2 + (NH4)2S = CaS + I2(NH4)2 =>
CaI2 + (NH4)2S = CaS + I2(NH4)2
Cu3(PO4)2 + Na2SO4 = Na3PO4 + CuSO4 =>
Cu3(PO4)2 + 3 Na2SO4 = 2 Na3PO4 + 3 CuSO4
SrS(aq) + CuSO4(aq) = SrSO4(s) + CuS(aq) =>
SrS(aq) + CuSO4(aq) = SrSO4(s) + CuS(aq)
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
C6H7OH = C6H6 + H2O =>
C6H7OH = C6H6 + H2O
Li2O + SO2 + O2 = Li2SO4 =>
2 Li2O + 2 SO2 + O2 = 2 Li2SO4
K2CO3 + BaCl2 = KCl + BaCO3 =>
K2CO3 + BaCl2 = 2 KCl + BaCO3
As2S3 + HNO3 + H2O = H3AsO4 + S + NO =>
3 As2S3 + 10 HNO3 + 4 H2O = 6 H3AsO4 + 9 S + 10 NO
Br2 + KMnO4 + H2O = KBrO3 + MnO2 + KOH =>
3 Br2 + 10 KMnO4 + 2 H2O = 6 KBrO3 + 10 MnO2 + 4 KOH
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
Al + NiCl2 = Ni + AlCl3 =>
2 Al + 3 NiCl2 = 3 Ni + 2 AlCl3
Cl2 + KI = KCl + I2 = =>
Cl2 + 2 KI = 2 KCl + I2
HCl + NH4(OH) = NH4(Cl) + H2O =>
HCl + NH4(OH) = NH4(Cl) + H2O
H3PO2 + HNO3 = H3PO3 + H2O + NO =>
3 H3PO2 + 2 HNO3 = 3 H3PO3 + H2O + 2 NO
C12H22O11 + H2O = C2H5OH + CO2 =>
C12H22O11 + H2O = 4 C2H5OH + 4 CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2S2O3 + HCl = NaCl + H2SO4 + S + H2O =>
3 Na2S2O3 + 6 HCl = 6 NaCl + 2 H2SO4 + 4 S + H2O
CH3COO{-} + H3O{+} = CH3COOH + H2O =>
CH3COO{-} + H3O{+} = CH3COOH + H2O
Cu + FeSO4 = Fe + CuSO4 =>
Cu + FeSO4 = Fe + CuSO4
NaHSO4(s) + NaClO(aq) + NaCl(aq) = Cl2(g) + HOH(l) + Na2SO4(aq) =>
2 NaHSO4(s) + NaClO(aq) + NaCl(aq) = Cl2(g) + HOH(l) + 2 Na2SO4(aq)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AgNO3 + Li3(PO4) = Ag3(PO4) + Li(NO3) =>
3 AgNO3 + Li3(PO4) = Ag3(PO4) + 3 Li(NO3)
NH4ClO3 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO3 = N2 + Cl2 + O2 + 4 H2O
H2 + O2 = O2H2 =>
H2 + O2 = O2H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(H2O)6 + NH3 = Fe(H2O)3(OH)3 + NH4 =>
Fe(H2O)6 + 3 NH3 = Fe(H2O)3(OH)3 + 3 NH4
CH3CHCHCH3 + H2O = CH3CHOHCH2CH3 =>
CH3CHCHCH3 + H2O = CH3CHOHCH2CH3
N2(g) + O(g) = NO(g) =>
N2(g) + 2 O(g) = 2 NO(g)
C4H8O + NaBH4 = C4H10O + NaBH3 =>
C4H8O + 2 NaBH4 = C4H10O + 2 NaBH3
SiO(s) + Cl2(g) = SiCl4(i) + O2(g) =>
2 SiO(s) + 4 Cl2(g) = 2 SiCl4(i) + O2(g)
PbBr2 + NaI = PbI2 + NaBr =>
PbBr2 + 2 NaI = PbI2 + 2 NaBr
硫 + 臭氧 = 二氧化硫 =>
3 S + 2 O3 = 3 SO2
C10H14 + Br2 = C10H13Br + HBr =>
C10H14 + Br2 = C10H13Br + HBr
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
N2H8CO3 + CuN2O6 = CuCO3 + NH4NO3 =>
N2H8CO3 + CuN2O6 = CuCO3 + 2 NH4NO3
Cl + Sc = ClSc =>
Cl + Sc = ClSc
H2AsO2 = As2O2 + H2O =>
2 H2AsO2 = As2O2 + 2 H2O
AB + HOH = AH + BOH =>
AB + HOH = AH + BOH
NH3 + H2SO4 = N2(SO4)5 + H =>
2 NH3 + 5 H2SO4 = N2(SO4)5 + 16 H
NaClNaBr = NaBrNaCl =>
NaClNaBr = NaBrNaCl
I2O5 = I1 + O2 =>
2 I2O5 = 4 I1 + 5 O2
H2S + Ca(OH)2 = H2O + CaS =>
H2S + Ca(OH)2 = 2 H2O + CaS
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
NO3 + C4O2H8 = N2 + H2O + CO2 =>
10 NO3 + 3 C4O2H8 = 5 N2 + 12 H2O + 12 CO2
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