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2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H5OH + Na2CO3 = C6H5ONa + H2CO3 =>
2 C6H5OH + Na2CO3 = 2 C6H5ONa + H2CO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Bi + O2 = Bi2O5 =>
4 Bi + 5 O2 = 2 Bi2O5
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
HOOCCHOHCHOHCOOH + NaHCO3 = NaOOCCHOHCHOHCOONa + CO2 + H2O =>
HOOCCHOHCHOHCOOH + 2 NaHCO3 = NaOOCCHOHCHOHCOONa + 2 CO2 + 2 H2O
Br2 + NaOH = NaBrO3 + NaBr + H2O =>
3 Br2 + 6 NaOH = NaBrO3 + 5 NaBr + 3 H2O
S2O3{2-} + Br2 + H2O = SO4{2-} + Br{-} + H{+} =>
S2O3{2-} + 4 Br2 + 5 H2O = 2 SO4{2-} + 8 Br{-} + 10 H{+}
C2Cl4 + H2O = CCl4 + CH2O =>
C2Cl4 + H2O = CCl4 + CH2O
Na + Al + Si + O = NaAlSiO =>
Na + Al + Si + O = NaAlSiO
CH3Cl(g) + Cl2(g) = CH2Cl2(g) + HCl(g) =>
CH3Cl(g) + Cl2(g) = CH2Cl2(g) + HCl(g)
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Na3AlO3 = Al2O3 + Na2O =>
2 Na3AlO3 = Al2O3 + 3 Na2O
NaOH + H2 = NaH + H2O =>
NaOH + H2 = NaH + H2O
(CoCl2)*6H2O + NH4Cl + NH3 + H2O2 = (Co(NH3)6Cl)Cl2 + H2O =>
2(CoCl2)*6H2O + 2 NH4Cl + 10 NH3 + H2O2 = 2(Co(NH3)6Cl)Cl2 + 14 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
C2H4(g) + H2O2(g) = CH2OHCH2OH(g) =>
C2H4(g) + H2O2(g) = CH2OHCH2OH(g)
SnCl2 + Cr(NO3)2 = CrCl2 + Sn(NO3)2 =>
SnCl2 + Cr(NO3)2 = CrCl2 + Sn(NO3)2
Ag + No = Ag2No =>
2 Ag + No = Ag2No
K2C2O4 + Cs2CO3 = K2CO3 + Cs2C2O4 =>
K2C2O4 + Cs2CO3 = K2CO3 + Cs2C2O4
Ni3S2 + H2SO4 = Ni3SO4 + H2S2 =>
Ni3S2 + H2SO4 = Ni3SO4 + H2S2
Pb(NO3)2 + BaI2 = PbI2 + Ba(NO3)2 =>
Pb(NO3)2 + BaI2 = PbI2 + Ba(NO3)2
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
Cl{-} + CrO4{-} + H{+} = Cr3{+} + Cl2 + H2O =>
20 Cl{-} + 3 CrO4{-} + 24 H{+} = Cr3{+} + 10 Cl2 + 12 H2O
ClCH2CH2SCH2CH2Cl + H2O = HOCH2CH2SCH2CH2HO + HCl =>
ClCH2CH2SCH2CH2Cl + 2 H2O = HOCH2CH2SCH2CH2HO + 2 HCl
VCl3 + Cl2 + H2O = VOCl2 + HCl =>
2 VCl3 + Cl2 + 2 H2O = 2 VOCl2 + 4 HCl
[Ag(NH3)2] = Ag + NH3 =>
[Ag(NH3)2] = Ag + 2 NH3
HMnO4 + RbOH = H2O + RbMnO4 =>
HMnO4 + RbOH = H2O + RbMnO4
CuO + Li2O = Li2CuO2 =>
CuO + Li2O = Li2CuO2
Hg + HClO = HgClO + H2 =>
2 Hg + 2 HClO = 2 HgClO + H2
MnS + HCl + HNO3 = MnCl2 + NO + S + H2O* =>
3 MnS + 6 HCl + 2 HNO3 = 3 MnCl2 + 2 NO + 3 S + 4 H2O*
Fe + H2SO4(k) = Fe2(SO4)3 + SO2 + H2O =>
2 Fe + 6 H2SO4(k) = Fe2(SO4)3 + 3 SO2 + 6 H2O
Zn(NO3)2 + H3PO4 = Zn3(PO4)2 + H(NO3) =>
3 Zn(NO3)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H(NO3)
CrO3 + H2SO4 = Cr(HSO4)6 + H2O =>
CrO3 + 6 H2SO4 = Cr(HSO4)6 + 3 H2O
SiO2 + Na2O = Na2SiO3 =>
SiO2 + Na2O = Na2SiO3
Ca(OH)2 + SO2 = CaSO4 + H2 =>
Ca(OH)2 + SO2 = CaSO4 + H2
NaSiO3K = KSiO3 + Na =>
NaSiO3K = KSiO3 + Na
Cu(NH3)4 + K4Fe(CN)6 = CuFe(CN)6 + NH3 + K =>
Cu(NH3)4 + K4Fe(CN)6 = CuFe(CN)6 + 4 NH3 + 4 K
(NH4)HSO4 + NH3 = (NH4)2SO4 =>
(NH4)HSO4 + NH3 = (NH4)2SO4
Cl2 + Mn(OH)2 + KOH = MnO2 + KCl + H2O =>
Cl2 + Mn(OH)2 + 2 KOH = MnO2 + 2 KCl + 2 H2O
CuFeO2 + H2SO4 = CuSO4 + FeSO4 + H2O =>
CuFeO2 + 2 H2SO4 = CuSO4 + FeSO4 + 2 H2O
MgCl2 + Na2S = MgS + NaCl =>
MgCl2 + Na2S = MgS + 2 NaCl
Cl2 + H2O = HCl + H2ClO3 =>
5 Cl2 + 6 H2O = 8 HCl + 2 H2ClO3
K2CrO4 + NaNO2 + H2O = K(Cr(OH)4) + NaNO3 + KOH =>
2 K2CrO4 + 3 NaNO2 + 5 H2O = 2 K(Cr(OH)4) + 3 NaNO3 + 2 KOH
Pb{4+} + Fe{2+} = Fe{3+} + Pb{2+} =>
Pb{4+} + 2 Fe{2+} = 2 Fe{3+} + Pb{2+}
NH2CONH2 = NH2CONHCONH2 + NH3 =>
2 NH2CONH2 = NH2CONHCONH2 + NH3
Al + H2 = AlH3 =>
2 Al + 3 H2 = 2 AlH3
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