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3 C2H3O2Na + FeCl3 = Fe(C2H3O2)3 + 3 NaCl
MgNO3 = MgONO2 =>
MgNO3 = MgONO2
CuBr + KClO3 = KCl + Br2 + CuO =>
6 CuBr + 2 KClO3 = 2 KCl + 3 Br2 + 6 CuO
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
NaOH + SiO2 + FeCl2 = Na2FeSiO4 + HCl =>
2 NaOH + SiO2 + FeCl2 = Na2FeSiO4 + 2 HCl
Rb(OH) + BaBr2 = RbBr + Ba(OH)2 =>
2 Rb(OH) + BaBr2 = 2 RbBr + Ba(OH)2
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
H2SO4 + Rb(OH) = Rb2(SO4) + H2O =>
H2SO4 + 2 Rb(OH) = Rb2(SO4) + 2 H2O
HBr(g) + O2(g) = H2O(g) + Br(g) =>
4 HBr(g) + O2(g) = 2 H2O(g) + 4 Br(g)
IO3{-} + SO2 + H2O = I2{-} + SO4{2-} + H{+} =>
4 IO3{-} + 11 SO2 + 10 H2O = 2 I2{-} + 11 SO4{2-} + 20 H{+}
Re2O7 + NaOH = NaReO4 + H2O =>
Re2O7 + 2 NaOH = 2 NaReO4 + H2O
Sn(s) + HCl(aq) = SnCl2(aq) + H2(g) =>
Sn(s) + 2 HCl(aq) = SnCl2(aq) + H2(g)
(ZnOH)2SO4 + NaOH = Na2[Zn(OH)4] + Na2SO4 =>
(ZnOH)2SO4 + 6 NaOH = 2 Na2[Zn(OH)4] + Na2SO4
nitrogen + oxygen = dinitrogentetroxide =>
N2 + 2 O2 = N2O4
K2(Zn(OH)4) = K2ZnO2 + H2O =>
K2(Zn(OH)4) = K2ZnO2 + 2 H2O
NH4Fe(SO4)2 + BaCl2 = NH4Cl + FeCl3 + BaSO4 =>
NH4Fe(SO4)2 + 2 BaCl2 = NH4Cl + FeCl3 + 2 BaSO4
XX = XX2 =>
3 XX = 2 XX2
FeSO4 + NaCl = FeCl2 + Na2SO4 =>
FeSO4 + 2 NaCl = FeCl2 + Na2SO4
MnO2 + HNO3 + PbO2 = H + MnO4 + Pb(NO3)2 =>
MnO2 + 2 HNO3 + PbO2 = 2 H + MnO4 + Pb(NO3)2
Na(OH) + Li(NO3) = Li(OH) + Na(NO3) =>
Na(OH) + Li(NO3) = Li(OH) + Na(NO3)
Ba(s) + S = BaS =>
Ba(s) + S = BaS
FeS + H2SO4 = FeSO4H2S =>
FeS + H2SO4 = FeSO4H2S
MgO + CuCl2 = MgCl2 + CuO =>
MgO + CuCl2 = MgCl2 + CuO
[Cu(H2O)6]2 + NH3 = [Cu(NH3)4(H2O)2]2 + H2O =>
[Cu(H2O)6]2 + 8 NH3 = [Cu(NH3)4(H2O)2]2 + 8 H2O
NH4ClMg(OH)Br = MgClNH3H2OBr =>
NH4ClMg(OH)Br = MgClNH3H2OBr
AlCl3 + Pb(NO3)2 = AlPb + Cl3(NO3)2 =>
AlCl3 + Pb(NO3)2 = AlPb + Cl3(NO3)2
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
Na2HPO4 + HNO3 = NaNO3 + H3PO4 =>
Na2HPO4 + 2 HNO3 = 2 NaNO3 + H3PO4
HBr + (NH4)2SO3 = H2O + SO2 + NH4Br =>
2 HBr + (NH4)2SO3 = H2O + SO2 + 2 NH4Br
MgSO3(aq) + HCl(aq) = MgCl2(aq) + H2O(l) + SO2(g) =>
MgSO3(aq) + 2 HCl(aq) = MgCl2(aq) + H2O(l) + SO2(g)
Cs(s) + I2(s) = CsI(s) =>
2 Cs(s) + I2(s) = 2 CsI(s)
CuNO3Zn = CuZnNO3 =>
CuNO3Zn = CuZnNO3
HCl + CaCl2 = H2Ca + Cl2 =>
2 HCl + CaCl2 = H2Ca + 2 Cl2
Fe(OH)3(t) = Fe2O3 + H2O =>
2 Fe(OH)3(t) = Fe2O3 + 3 H2O
Fe(OH)2Cl + KOH = Fe(OH)3 + KCl =>
Fe(OH)2Cl + KOH = Fe(OH)3 + KCl
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
Cu2(OAc)4(H2O) + NaCl = Cu2(OAc)4 + [Cl(H2O)8] + [Na(H2O)6] =>
14 Cu2(OAc)4(H2O) + NaCl = 14 Cu2(OAc)4 + [Cl(H2O)8] + [Na(H2O)6]
H2SO4 + NaOH = HOH + NaSO4 + H2 =>
2 H2SO4 + 2 NaOH = 2 HOH + 2 NaSO4 + H2
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Hg2Cl2 + NH4OH = Hg + HgNH2Cl + NH4{+} + Cl{-} + H2O =>
Hg2Cl2 + 2 NH4OH = Hg + HgNH2Cl + NH4{+} + Cl{-} + 2 H2O
Cr2 = Cr =>
Cr2 = 2 Cr
MnO2 + NaNO3 + NaOH = Na2MnO4 + NaNO2 + H2O =>
MnO2 + NaNO3 + 2 NaOH = Na2MnO4 + NaNO2 + H2O
CaMg(CO3)2 + HCl = CaCl2 + MgCl2 + CO2 + H2O =>
CaMg(CO3)2 + 4 HCl = CaCl2 + MgCl2 + 2 CO2 + 2 H2O
NO2 + H2SO4 = SO4 + HNO2 =>
2 NO2 + H2SO4 = SO4 + 2 HNO2
C2H4 + HBr = CH3CH2Br =>
C2H4 + HBr = CH3CH2Br
NaAl(OH)4H2S = NaHSAl(OH)3H2O =>
NaAl(OH)4H2S = NaHSAl(OH)3H2O
AlCl3 + NaOH = Na3AlO3 + H2O + NaCl =>
AlCl3 + 6 NaOH = Na3AlO3 + 3 H2O + 3 NaCl
(ZnOH)2SO4 + NaOH = Na2[Zn(OH)4] + Na2SO4 =>
(ZnOH)2SO4 + 6 NaOH = 2 Na2[Zn(OH)4] + Na2SO4
Fe(s) + CuSO4(l) = Cu + FeSO4 =>
Fe(s) + CuSO4(l) = Cu + FeSO4
Al(OH)3 + Ba(OH)2 = Ba(Al(OH)4)2 =>
2 Al(OH)3 + Ba(OH)2 = Ba(Al(OH)4)2
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