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Fe(SO4)3 + 3 K2S = FeS + 2 S + 3 K2SO4
HCl + CaCO2 = H2CO2 + CaCl2 =>
2 HCl + CaCO2 = H2CO2 + CaCl2
Cr2(SO4)3 + Na2S2O8 + NaOH = Na2SO4 + Na2CrO4 + H2O =>
Cr2(SO4)3 + 3 Na2S2O8 + 16 NaOH = 9 Na2SO4 + 2 Na2CrO4 + 8 H2O
Zn2Fe(CN)6 + NaOH = Na4Fe(CN)6 + Zn(OH)2 =>
Zn2Fe(CN)6 + 4 NaOH = Na4Fe(CN)6 + 2 Zn(OH)2
BaCl2 + H2O + AgNO3 = AgCl + Ba(NO3)2*2H2O =>
BaCl2 + 2 H2O + 2 AgNO3 = 2 AgCl + Ba(NO3)2*2H2O
CH3C(O)CH3 + CH3CH2OH = (CH3)2C(OCH2CH3)2 + H2O =>
CH3C(O)CH3 + 2 CH3CH2OH = (CH3)2C(OCH2CH3)2 + H2O
C3H8O2 + HBr = C3H6Br2 + H2O =>
C3H8O2 + 2 HBr = C3H6Br2 + 2 H2O
Li + Na3PO4 = Na + LiPO4 =>
Li + Na3PO4 = 3 Na + LiPO4
H{+} + I{-} + Cr2O7{2-} = Cr{3+} + H2O + I2 =>
14 H{+} + 6 I{-} + Cr2O7{2-} = 2 Cr{3+} + 7 H2O + 3 I2
KClO4 + KCl = K2ClO + Cl =>
KClO4 + 7 KCl = 4 K2ClO + 4 Cl
Ni + HBr = NiBr + H =>
Ni + HBr = NiBr + H
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Mg(OH)2 + H2CO3 = Mg2(CO3)2 + H2O =>
2 Mg(OH)2 + 2 H2CO3 = Mg2(CO3)2 + 4 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CH3CH2CH2CH2COCH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2COCH3 + 17 O2 = 12 CO2 + 12 H2O
CaCl2 + NaHCO3 = H2CO3 + NaCl + CaCO3 =>
CaCl2 + 2 NaHCO3 = H2CO3 + 2 NaCl + CaCO3
Ba(NO3)2 = BaO + NO2 + O2 =>
2 Ba(NO3)2 = 2 BaO + 4 NO2 + O2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Pb + H3Po4 = H2 + Pb3(Po4)2 =>
3 Pb + 2 H3Po4 = 3 H2 + Pb3(Po4)2
Na2Cr2O7 + H2S + H2SO4 = Cr2(SO4)3 + NaHSO4 + H2O =>
4 Na2Cr2O7 + 3 H2S + 17 H2SO4 = 4 Cr2(SO4)3 + 8 NaHSO4 + 16 H2O
potassiumhydroxide + nitricacid = potassiumnitrate + water =>
KOH + HNO3 = KNO3 + H2O
CO2 + CaCl2 + H2O = CaCO3 + HCl =>
CO2 + CaCl2 + H2O = CaCO3 + 2 HCl
K3PO4 + Na2CO3 = K2CO2 + O2 + Na3PO4 =>
4 K3PO4 + 6 Na2CO3 = 6 K2CO2 + 3 O2 + 4 Na3PO4
Zn + KClO3 + KOH = K2ZnO2 + KCl + H2O =>
3 Zn + KClO3 + 6 KOH = 3 K2ZnO2 + KCl + 3 H2O
C6H5OH + CH3Br = C6H5Br + CH3OH =>
C6H5OH + CH3Br = C6H5Br + CH3OH
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaNO3 + KBr = NaBr + KNO3 =>
NaNO3 + KBr = NaBr + KNO3
Hg(NO3)2 = HgNO3 + O2 + NO2 =>
2 Hg(NO3)2 = 2 HgNO3 + O2 + 2 NO2
O8 + N2 = N80O14 =>
7 O8 + 160 N2 = 4 N80O14
P2 + O2 = P2O3 =>
2 P2 + 3 O2 = 2 P2O3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Cr(OH)3 + H3AsO4 = (Cr(OH))3(AsO4)2 + H2O =>
3 Cr(OH)3 + 2 H3AsO4 = (Cr(OH))3(AsO4)2 + 6 H2O
NaC5H10NO5 + C6H10O8 = NaC6H7O7 + C5H9NO4 + H2O =>
NaC5H10NO5 + C6H10O8 = NaC6H7O7 + C5H9NO4 + 2 H2O
Zn(s) + Fe{2+}(aq) = Fe(s) + Zn{2+}(aq) =>
Zn(s) + Fe{2+}(aq) = Fe(s) + Zn{2+}(aq)
H2ONa = Na(OH) + H2 =>
2 H2ONa = 2 Na(OH) + H2
CH3C(O)CH3 + CH3CH2OH = (CH3)2C(OCH2CH3)2 + H2O =>
CH3C(O)CH3 + 2 CH3CH2OH = (CH3)2C(OCH2CH3)2 + H2O
K2Cr2O7 + HCl = CrCl2 + KCl + Cl + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl2 + 2 KCl + 8 Cl + 7 H2O
Cr(OH)3 + H3AsO4 = (Cr(OH))3(AsO4)2 + H2O =>
3 Cr(OH)3 + 2 H3AsO4 = (Cr(OH))3(AsO4)2 + 6 H2O
HCl + CaCO2 = H2CO2 + CaCl2 =>
2 HCl + CaCO2 = H2CO2 + CaCl2
HCl + H2S + Fe(OH)3 = H2O + FeClS =>
HCl + H2S + Fe(OH)3 = 3 H2O + FeClS
FeCl3 + K(CNS) = KCl + Fe(CNS)3 =>
FeCl3 + 3 K(CNS) = 3 KCl + Fe(CNS)3
C2O4H2 + NaOH = NaC2O4 + H3O =>
C2O4H2 + NaOH = NaC2O4 + H3O
CS12 + O2 = CO2 + SO2 =>
CS12 + 13 O2 = CO2 + 12 SO2
CrO3 + Na2S2O5 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
4 CrO3 + 3 Na2S2O5 + 3 H2SO4 = 2 Cr2(SO4)3 + 3 Na2SO4 + 3 H2O
NaBr + PbO2 + H2SO4 = Br2 + PbSO4 + Na2SO4 + H2O =>
2 NaBr + PbO2 + 2 H2SO4 = Br2 + PbSO4 + Na2SO4 + 2 H2O
C3H84 + O2 = CO2 + H2O =>
C3H84 + 24 O2 = 3 CO2 + 42 H2O
SO3 + H2O = SO4{-2} + H{+} =>
SO3 + H2O = SO4{-2} + 2 H{+}
CH4 + H2O = H3O + C2 =>
2 CH4 + 8 H2O = 8 H3O + C2
SO2 + NH3 = H2S + N2H4 + H2O =>
SO2 + 6 NH3 = H2S + 3 N2H4 + 2 H2O
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