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FeO + H2O = Fe(OH)2
KS + CuSO4 = K2SO4 + CuS2 =>
2 KS + CuSO4 = K2SO4 + CuS2
KClO3 + Zn + NaOH = NaZnO3 + KCl + H2O =>
5 KClO3 + 6 Zn + 6 NaOH = 6 NaZnO3 + 5 KCl + 3 H2O
Na2CO3 + Zn3(PO4)2 = ZnCO3 + Na3PO4 =>
3 Na2CO3 + Zn3(PO4)2 = 3 ZnCO3 + 2 Na3PO4
SO2 + CuSO4 = CuSO3 + SO3 =>
SO2 + CuSO4 = CuSO3 + SO3
(NH4)2S2O8 = NH3 + SO2 + H2S + O2 =>
(NH4)2S2O8 = 2 NH3 + SO2 + H2S + 3 O2
CoCl3 + Al = AlCl3 + Co =>
CoCl3 + Al = AlCl3 + Co
FeCl3 + Hg = FeCl2 + HgCl2 =>
2 FeCl3 + Hg = 2 FeCl2 + HgCl2
Al(NO3)3 + NaOH = NaAlO2 + NaNO3 + HOH =>
Al(NO3)3 + 4 NaOH = NaAlO2 + 3 NaNO3 + 2 HOH
CaCl2 + Pb(NO3)2 = Pb(Cl2) + Ca(NO3)2 =>
CaCl2 + Pb(NO3)2 = Pb(Cl2) + Ca(NO3)2
H3(PO4) + Mn2(CO3)7 = H2(CO3) + Mn3(PO4)7 =>
14 H3(PO4) + 3 Mn2(CO3)7 = 21 H2(CO3) + 2 Mn3(PO4)7
Li + Al2(SO4)3 = Li2(SO4) + Al =>
6 Li + Al2(SO4)3 = 3 Li2(SO4) + 2 Al
Mg(NO3)2 + K3(PO4)2 = Mg3(PO4)2 + K(NO3)2 =>
3 Mg(NO3)2 + K3(PO4)2 = Mg3(PO4)2 + 3 K(NO3)2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe + K4[Fe(CN)6] + H2O = Fe4[Fe(CN)6]2 + KOH + H2 =>
4 Fe + 2 K4[Fe(CN)6] + 8 H2O = Fe4[Fe(CN)6]2 + 8 KOH + 4 H2
Cu(OH)2 + HF = H2O + CuF2 =>
Cu(OH)2 + 2 HF = 2 H2O + CuF2
Na3PO4 + (NH4)6Mo7O24 + HNO3 = (NH4)3PMo12O40 + Na2NO3 + (NH4)2NO4 + H2O =>
14 Na3PO4 + 24(NH4)6Mo7O24 + 78 HNO3 = 14(NH4)3PMo12O40 + 21 Na2NO3 + 53(NH4)2NO4 + 31 H2O
HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(l)
Pb(NO3)2 + Na2(CrO4) = Pb(CrO4) + Na2(NO3)2 =>
Pb(NO3)2 + Na2(CrO4) = Pb(CrO4) + Na2(NO3)2
CH3CH(OH)CH3H2O = CH3CH2CH2OH3O =>
CH3CH(OH)CH3H2O = CH3CH2CH2OH3O
Bi(NO3)3 + H2S = HNO3 + Bi2S3 =>
2 Bi(NO3)3 + 3 H2S = 6 HNO3 + Bi2S3
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
OH + Cr = Cr(OH)3 =>
3 OH + Cr = Cr(OH)3
CH14 + O2 = CO2 + H2O =>
2 CH14 + 9 O2 = 2 CO2 + 14 H2O
C2H2CH4 + O2 = CO2 + H2O =>
2 C2H2CH4 + 9 O2 = 6 CO2 + 6 H2O
Al + KNO3 + KOH + H2O = K[Al(OH)4] + NH3 =>
8 Al + 3 KNO3 + 5 KOH + 18 H2O = 8 K[Al(OH)4] + 3 NH3
C9H12 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
35 C9H12 + 66 KMnO4 + 99 H2SO4 = 45 C6H5COOH + 66 MnSO4 + 33 K2SO4 + 174 H2O
S + PH3 + OH{-} = S{2-} + P + H2O =>
3 S + 2 PH3 + 6 OH{-} = 3 S{2-} + 2 P + 6 H2O
HCl + Mn + HNO3 = MnCl2 + NO2 + H2O =>
2 HCl + Mn + 2 HNO3 = MnCl2 + 2 NO2 + 2 H2O
CN2 = C + N2 =>
CN2 = C + N2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NaOH + H3PO4 = NaOH(PO4)2 + H2 =>
NaOH + 2 H3PO4 = NaOH(PO4)2 + 3 H2
Al(s) + HCl(aq) = AlCl3(s) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(s) + 3 H2(g)
AgCl + HNO3 = AgNO3 + HCl =>
AgCl + HNO3 = AgNO3 + HCl
Ag(NH3)2 + Cl + HNO3 = AgCl + NH4 + NO2 =>
3 Ag(NH3)2 + 3 Cl + 2 HNO3 = 3 AgCl + 5 NH4 + 3 NO2
BaC2O4 + CH3COOH = Ba(CH3COO)2 + H2C2O4 =>
BaC2O4 + 2 CH3COOH = Ba(CH3COO)2 + H2C2O4
SO32{-} + MnO4{-} + H{+} = SO42{-} + Mn2{+} + H2O =>
13 SO32{-} + 40 MnO4{-} + 60 H{+} = 13 SO42{-} + 20 Mn2{+} + 30 H2O
H2SO4(aq) + MgO(s) = MgSO4(aq) + H2O(l) =>
H2SO4(aq) + MgO(s) = MgSO4(aq) + H2O(l)
K2CrO4 + H2SO4 + Na2S = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
8 K2CrO4 + 20 H2SO4 + 3 Na2S = 4 Cr2(SO4)3 + 8 K2SO4 + 3 Na2SO4 + 20 H2O
Cr + H2O = CrO4 + H =>
Cr + 4 H2O = CrO4 + 8 H
Ca(t) + Cl2(g) = CaCl2 =>
Ca(t) + Cl2(g) = CaCl2
Cu(OH)2 + Na2CO3 = CuCO3 + NaOH =>
Cu(OH)2 + Na2CO3 = CuCO3 + 2 NaOH
FeSNaOH = FeSOHNa =>
FeSNaOH = FeSOHNa
O2 = O25 =>
25 O2 = 2 O25
H2C6H6O6 + NaOH = Na2C6H6O6 + H2O =>
H2C6H6O6 + 2 NaOH = Na2C6H6O6 + 2 H2O
NaCH3CO2 + KCl = NaCl + KCH3CO2 =>
NaCH3CO2 + KCl = NaCl + KCH3CO2
Al(s) + Mg{2+}(aq) = Al{3+}(aq) + Mg(s) =>
2 Al(s) + 3 Mg{2+}(aq) = 2 Al{3+}(aq) + 3 Mg(s)
SI + Cl + I = SIClI =>
SI + Cl + I = SIClI
N2H4 + O2 = NO2 + H2 =>
N2H4 + 2 O2 = 2 NO2 + 2 H2
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