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2 NaOH(aq) + CaCO3(aq) = Na2CO3 + Ca(OH)2
Br2 + K2S = Br2S + K =>
Br2 + K2S = Br2S + 2 K
Zn(SO4)2 + BaCl = BaSO4 + ZnCl2 =>
Zn(SO4)2 + 2 BaCl = 2 BaSO4 + ZnCl2
NaHCO3(aq) + H2SO4(aq) = CO2(g) + H2O(l) + NaHSO4(aq) =>
NaHCO3(aq) + H2SO4(aq) = CO2(g) + H2O(l) + NaHSO4(aq)
C2H4 + O2 = CC2 + H2O =>
3 C2H4 + 3 O2 = 2 CC2 + 6 H2O
OH{-} + Zn{2+} = ZnO2{2-} + H2O =>
4 OH{-} + Zn{2+} = ZnO2{2-} + 2 H2O
NH4NO3 + FeCl2 = NH4Cl + Fe(NO3)2 =>
2 NH4NO3 + FeCl2 = 2 NH4Cl + Fe(NO3)2
Sn(OH)2 + H2O = SnOH + H(OH)2 =>
Sn(OH)2 + H2O = SnOH + H(OH)2
In + HNO3 = In(NO3)2 + NH4NO3 + H2O =>
4 In + 10 HNO3 = 4 In(NO3)2 + NH4NO3 + 3 H2O
Mn + PO4 = Mn(PO4)2 =>
Mn + 2 PO4 = Mn(PO4)2
Se + H2O = SeO + H2 =>
Se + H2O = SeO + H2
Li2O + HNO3 = LiNO3 + H2O =>
Li2O + 2 HNO3 = 2 LiNO3 + H2O
Ba + HCl = H2 + BaCl =>
2 Ba + 2 HCl = H2 + 2 BaCl
HI + Cl = HCl + I =>
HI + Cl = HCl + I
Ca(OH)2 + P2O5 = CaHPO4 + H2O =>
2 Ca(OH)2 + P2O5 = 2 CaHPO4 + H2O
Sn(OH)2 + NaOH = Na2(Sn(OH)4) =>
Sn(OH)2 + 2 NaOH = Na2(Sn(OH)4)
Na2ZnO2 + HCl = Zn(OH)2 + NaCl =>
Na2ZnO2 + 2 HCl = Zn(OH)2 + 2 NaCl
Na + RbCl = NaCl + Rb =>
Na + RbCl = NaCl + Rb
Hf + N = Hf3N4 =>
3 Hf + 4 N = Hf3N4
Cu + KNo3 = CuNo3 + K =>
Cu + KNo3 = CuNo3 + K
SrO + Zn(OH)2 = SrZnO2 + H2O =>
SrO + Zn(OH)2 = SrZnO2 + H2O
Fe2O3 + FeO = Fe3O4 =>
Fe2O3 + FeO = Fe3O4
Al2S3 + NaOH = Al2(SO4)3 + NaH =>
Al2S3 + 12 NaOH = Al2(SO4)3 + 12 NaH
P4 + Br = P4Br3 =>
P4 + 3 Br = P4Br3
C + Al = AlC3 =>
3 C + Al = AlC3
ClO2 + KOH = KClO3 + HCl + H2O =>
6 ClO2 + 5 KOH = 5 KClO3 + HCl + 2 H2O
C6H5OH + Br2 = HBr + C6H2Br3OH =>
C6H5OH + 3 Br2 = 3 HBr + C6H2Br3OH
CrO4 = Cr + O4 =>
CrO4 = Cr + O4
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
N2H4 + O = NO + H2O =>
N2H4 + 4 O = 2 NO + 2 H2O
HC2H3O2 + NH3 = NH4C2H3O2 =>
HC2H3O2 + NH3 = NH4C2H3O2
Re + O2 = Re2O7 =>
4 Re + 7 O2 = 2 Re2O7
Pb + H2O2 = PbO2 + H2O =>
Pb + 2 H2O2 = PbO2 + 2 H2O
C3H7COOH + NaHO3 = C3H7OONa + CO2 + H2O =>
C3H7COOH + NaHO3 = C3H7OONa + CO2 + H2O
Zn(CO3) = Zn + C + O2 =>
2 Zn(CO3) = 2 Zn + 2 C + 3 O2
Cr = Cr3 =>
3 Cr = Cr3
Eu(NO3)3*6H2O = EuO + O2 + HNO3 + H2O =>
4 Eu(NO3)3*6H2O = 4 EuO + O2 + 12 HNO3 + 18 H2O
CH3COOH + AgCl = CH3COOAg + HCl =>
CH3COOH + AgCl = CH3COOAg + HCl
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
NaNO2 + KMnO4 + H2SO4 = NO2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
10 NaNO2 + 2 KMnO4 + 8 H2SO4 = 10 NO2 + K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O
Zn + Fe(NO3)3 = Zn(NO3)3 + Fe =>
Zn + Fe(NO3)3 = Zn(NO3)3 + Fe
P + F2 = PF2 =>
P + F2 = PF2
HBr(aq) + H2O(l) = Br(aq) + H3O(aq) =>
HBr(aq) + H2O(l) = Br(aq) + H3O(aq)
C20H42 = C8H18 + C3H6 =>
C20H42 = C8H18 + 4 C3H6
NO2 + KI = NO + I + KNO3 =>
2 NO2 + KI = NO + I + KNO3
H2O + As = HAsO2 + H3O =>
5 H2O + As = HAsO2 + 3 H3O
Al + Cu = Al2Cu3 =>
2 Al + 3 Cu = Al2Cu3
Pb(NO3)2 + NaI = (PbI2) + NaNO3 =>
Pb(NO3)2 + 2 NaI = (PbI2) + 2 NaNO3
Ba(NO3)2 + HCl = BaHCl + NO3 =>
Ba(NO3)2 + HCl = BaHCl + 2 NO3
C5H8 + KMnO4 + H2O = KOH + MnO2 + CO2 =>
3 C5H8 + 28 KMnO4 + 2 H2O = 28 KOH + 28 MnO2 + 15 CO2
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