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2 Fe(OH)3 + 3 CaCl2 = 2 FeCl3 + 3 Ca(OH)2
Fe + NaOH = Fe(NaOH)3 =>
Fe + 3 NaOH = Fe(NaOH)3
SiC + NaOH + O2 = Na2SiO3 + Na2CO3 + H2O =>
SiC + 4 NaOH + 2 O2 = Na2SiO3 + Na2CO3 + 2 H2O
Mg + HCl + O2 = MgCl2 + H2O =>
2 Mg + 4 HCl + O2 = 2 MgCl2 + 2 H2O
H2O2 + OH{-} = HO2{-} + H2O =>
H2O2 + OH{-} = HO2{-} + H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Cu(s) + H2SO4(ac) = CuSO4(ac) + SO2(g) + H2O(l) =>
Cu(s) + 2 H2SO4(ac) = CuSO4(ac) + SO2(g) + 2 H2O(l)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C6H6 = C + H2 =>
C6H6 = 6 C + 3 H2
MnO4{-} + HSO3{-} + OH{-} = MnO4{2-} + HSO4{-} + H2O =>
2 MnO4{-} + HSO3{-} + 2 OH{-} = 2 MnO4{2-} + HSO4{-} + H2O
Pb(CH3CO2)2 + KCl = PbCl2 + K(CH3CO2) =>
Pb(CH3CO2)2 + 2 KCl = PbCl2 + 2 K(CH3CO2)
Fe2(SO4)3(aq) + KOH(aq) = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3(aq) + 6 KOH(aq) = 3 K2SO4 + 2 Fe(OH)3
Zn + HBrO3 = Zn(BrO3)2 + H2 =>
Zn + 2 HBrO3 = Zn(BrO3)2 + H2
(NH4)2SO4 + NaCl = NH4Cl + Na2SO4 =>
(NH4)2SO4 + 2 NaCl = 2 NH4Cl + Na2SO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C4H8 + Cl2 = C + HCl =>
C4H8 + 4 Cl2 = 4 C + 8 HCl
KF + Mg(CH3COO)2 = KCH3COO + MgF2 =>
2 KF + Mg(CH3COO)2 = 2 KCH3COO + MgF2
MnO4{-} + OH{-} = MnO4{3-} + O2 + H2O =>
2 MnO4{-} + 4 OH{-} = 2 MnO4{3-} + O2 + 2 H2O
Na2CO3(s) + CH3COOH(aq) = CH3COONa(aq) + CO2(g) + H2O(l) =>
Na2CO3(s) + 2 CH3COOH(aq) = 2 CH3COONa(aq) + CO2(g) + H2O(l)
HPO3 + NaOH = NaH2PO4 =>
HPO3 + NaOH = NaH2PO4
Al + HNO3 = Al(NO3)3 + NH4NO3 + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
HgCl = Hg + Hg(Cl)2 =>
2 HgCl = Hg + Hg(Cl)2
K2O + S = K2S + O2 =>
2 K2O + 2 S = 2 K2S + O2
Na2S + Cu(CH3COO)2 = CH3COONa + CuS =>
Na2S + Cu(CH3COO)2 = 2 CH3COONa + CuS
BeO + NaOH + H2O = Na2[Be(OH)4] =>
BeO + 2 NaOH + H2O = Na2[Be(OH)4]
BaO + NaOH = Na2BaO2 + H2O =>
BaO + 2 NaOH = Na2BaO2 + H2O
NO3 + Cl2 = N2Cl10 + O2 =>
2 NO3 + 5 Cl2 = N2Cl10 + 3 O2
NH4VO3 + H2SO4 + Zn = VOSO4 + (NH4)2SO4 + H2O + ZnSO4 =>
2 NH4VO3 + 4 H2SO4 + Zn = 2 VOSO4 + (NH4)2SO4 + 4 H2O + ZnSO4
FeS + H2O = FeSO4 + H2 =>
FeS + 4 H2O = FeSO4 + 4 H2
PbO2(s) = Pb(s) + O2(g) =>
PbO2(s) = Pb(s) + O2(g)
Fe(NO3)2 + H2O + NH3 = Fe2O3*H2O + NH4NO3 =>
8 Fe(NO3)2 + 13 H2O + 14 NH3 = 4 Fe2O3*H2O + 15 NH4NO3
Zn(NO3)2 + (NH4)2S = ZnS + NH4NO3 =>
Zn(NO3)2 + (NH4)2S = ZnS + 2 NH4NO3
Al + Cl2 + H2O = Al(OH)4{-} + HCl + H{+} =>
2 Al + 3 Cl2 + 8 H2O = 2 Al(OH)4{-} + 6 HCl + 2 H{+}
Li2SO3 = Li2O + SO2 =>
Li2SO3 = Li2O + SO2
C7H6O2 + C2H5OH = C10H12O3 + H2O =>
14 C7H6O2 + 11 C2H5OH = 12 C10H12O3 + 3 H2O
C3H6 = C7H8 + H2 =>
7 C3H6 = 3 C7H8 + 9 H2
Fe(s) + AgNO3(aq) = Ag(s) + FeNO3(aq) =>
Fe(s) + AgNO3(aq) = Ag(s) + FeNO3(aq)
P4(s) + Cl(g) = PCl5(s) =>
P4(s) + 20 Cl(g) = 4 PCl5(s)
Fe(ClO4)2 + Al = Al(ClO4)3 + Fe2 =>
6 Fe(ClO4)2 + 4 Al = 4 Al(ClO4)3 + 3 Fe2
Bi2S3(s) + HNO3(aq) = Bi(NO3)2(aq) + NO(g) + S(s) + H2O(l) =>
3 Bi2S3(s) + 16 HNO3(aq) = 6 Bi(NO3)2(aq) + 4 NO(g) + 9 S(s) + 8 H2O(l)
CaSO4(H2O)2 = CaSO4 + H2O =>
CaSO4(H2O)2 = CaSO4 + 2 H2O
Zn(NO3)2 + NH3 + H2O = Zn + NH4NO3 =>
4 Zn(NO3)2 + 10 NH3 + 3 H2O = 4 Zn + 9 NH4NO3
Br2 + I = BrI =>
Br2 + 2 I = 2 BrI
NaCl + S = Na2S + Cl =>
2 NaCl + S = Na2S + 2 Cl
NaHCO3 + KOH = Na2CO3 + K2CO3 + H2O =>
2 NaHCO3 + 2 KOH = Na2CO3 + K2CO3 + 2 H2O
Fe(ClO3)3 + CuCrO4 = Fe2(CrO4)3 + Cu(ClO3)2 =>
2 Fe(ClO3)3 + 3 CuCrO4 = Fe2(CrO4)3 + 3 Cu(ClO3)2
C8H16 + Br2 = C8H16Br2 =>
C8H16 + Br2 = C8H16Br2
Cu + Ca(OH)2 = CuOH + Ca =>
2 Cu + Ca(OH)2 = 2 CuOH + Ca
Cu + Ca(OH)2 = Cu(OH)2 + Ca =>
Cu + Ca(OH)2 = Cu(OH)2 + Ca
C3H8O3 + H2 = C3H6O + H2O =>
C3H8O3 + H2 = C3H6O + 2 H2O
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