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Ni(s) + 2 AgNO3(aq) = Ni(NO3)2(aq) + 2 Ag(s)
CaSO4 + CaS = CaO + SO2 =>
3 CaSO4 + CaS = 4 CaO + 4 SO2
NH4Cl + ZnSO4 = ZnCl2 + (NH4)2SO4 =>
2 NH4Cl + ZnSO4 = ZnCl2 + (NH4)2SO4
A + A2O3 = A3O4 =>
A + 4 A2O3 = 3 A3O4
C3H5O(COOH)3 + KOH = K3C3H2O(COOH)3 + H2O =>
C3H5O(COOH)3 + 3 KOH = K3C3H2O(COOH)3 + 3 H2O
HBr = H2 + Br =>
2 HBr = H2 + 2 Br
HNO3 + HF = NO + F2 + H2O =>
2 HNO3 + 6 HF = 2 NO + 3 F2 + 4 H2O
KMnO4 + Al = Al2O3 + K2O + MnO =>
6 KMnO4 + 10 Al = 5 Al2O3 + 3 K2O + 6 MnO
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
K + HgO = K2O + Hg =>
2 K + HgO = K2O + Hg
KCl + MnO2 = ClO2 + KMn =>
KCl + MnO2 = ClO2 + KMn
FeSO4 + Cl2 = Fe2(SO4)3 + FeCl3 =>
6 FeSO4 + 3 Cl2 = 2 Fe2(SO4)3 + 2 FeCl3
Rb(OH) + H2SO4 = H2O + Rb2SO4 =>
2 Rb(OH) + H2SO4 = 2 H2O + Rb2SO4
BaCO3 + H3O{+} = Ba{2+} + CO2 + H2O =>
BaCO3 + 2 H3O{+} = Ba{2+} + CO2 + 3 H2O
A + A2O3 = A3O4 =>
A + 4 A2O3 = 3 A3O4
Fe + HCe = FeCe3 + H2 =>
2 Fe + 6 HCe = 2 FeCe3 + 3 H2
Mg + H2O2 = Mg(OH)2 =>
Mg + H2O2 = Mg(OH)2
NaClO + NaCl + H2O = Cl2 + NaOH =>
NaClO + NaCl + H2O = Cl2 + 2 NaOH
K + HgO = K2O + Hg =>
2 K + HgO = K2O + Hg
NaCl + NaClO + H2O = NaOH + Cl =>
NaCl + NaClO + H2O = 2 NaOH + 2 Cl
C7H6O3 + FeCl3 = HCl + C21H15FeO9 =>
3 C7H6O3 + FeCl3 = 3 HCl + C21H15FeO9
C7H6O2 + Na2CO3 = NaC6H5CO2 + H2CO3 =>
2 C7H6O2 + Na2CO3 = 2 NaC6H5CO2 + H2CO3
N2H4(g) = NH3(g) + N2(g) =>
3 N2H4(g) = 4 NH3(g) + N2(g)
CaCl2(aq) + Na2CO3 = NaCl(aq) + CaCO3 =>
CaCl2(aq) + Na2CO3 = 2 NaCl(aq) + CaCO3
N2O5 + H2SO4 = HNO3 + SO3 =>
N2O5 + H2SO4 = 2 HNO3 + SO3
CO + H2O = CO2 + H2 =>
CO + H2O = CO2 + H2
Hg(ClO3)2 = HgCl2 + O2 =>
Hg(ClO3)2 = HgCl2 + 3 O2
H2SO4 + NaHCOO = HCOOH + Na2SO4 =>
H2SO4 + 2 NaHCOO = 2 HCOOH + Na2SO4
BiI3 + KI = K(BiI4) =>
BiI3 + KI = K(BiI4)
MgO + CO2 = MgCO3 =>
MgO + CO2 = MgCO3
FeC2O4*2H2O + O2 = FeO + H2O + CO2 =>
2 FeC2O4*2H2O + O2 = 2 FeO + 4 H2O + 4 CO2
HC2H3O2 + KOH = KC2H3O2 + H2O =>
HC2H3O2 + KOH = KC2H3O2 + H2O
CuS + H2O2 = CuO + H2O + S =>
CuS + H2O2 = CuO + H2O + S
C4H8O2 + KMnO4 + H2SO4 = C4H4O4 + K2SO4 + MnSO4 + H2O =>
5 C4H8O2 + 8 KMnO4 + 12 H2SO4 = 5 C4H4O4 + 4 K2SO4 + 8 MnSO4 + 22 H2O
C2H6O + KMnO4 = C2H4O + H2O + KOH + MnO2 =>
3 C2H6O + 2 KMnO4 = 3 C2H4O + 2 H2O + 2 KOH + 2 MnO2
Na2S + (CH3COO)2Pb = (CH3COO)Na + PbS =>
Na2S + (CH3COO)2Pb = 2(CH3COO)Na + PbS
OsCl4 + Br2 = OsBr4 + Cl2 =>
OsCl4 + 2 Br2 = OsBr4 + 2 Cl2
CaCO3 + Al2(SO4)3 + H2O = CaSO4 + Al(OH)3 + CO2 =>
3 CaCO3 + Al2(SO4)3 + 3 H2O = 3 CaSO4 + 2 Al(OH)3 + 3 CO2
NaBiO3 + CrCl3 + HCl = BiCl3 + Na2Cr2O7 + NaCl + H2O =>
3 NaBiO3 + 2 CrCl3 + 4 HCl = 3 BiCl3 + Na2Cr2O7 + NaCl + 2 H2O
Sc + Co(ClO3)2 = Sc2(ClO3)3 + Co =>
4 Sc + 3 Co(ClO3)2 = 2 Sc2(ClO3)3 + 3 Co
Cu2 + HCl = CuCl + H =>
Cu2 + 2 HCl = 2 CuCl + 2 H
Na2SO3{2-} + HNO3 = Na2SO4{2-} + NO2 + H2O =>
Na2SO3{2-} + 2 HNO3 = Na2SO4{2-} + 2 NO2 + H2O
(NH4)2SO4 + CaCO3 = CaSO4 + (NH4)2CO3 =>
(NH4)2SO4 + CaCO3 = CaSO4 + (NH4)2CO3
MnSO4 + O2 + NaOH = Mn(O)OH + Na2SO4 + H2O =>
4 MnSO4 + O2 + 8 NaOH = 4 Mn(O)OH + 4 Na2SO4 + 2 H2O
CH3COONa + H2O = CH3COOH + NaOH =>
CH3COONa + H2O = CH3COOH + NaOH
Na2O + Pb(NO3)2 = Na2(NO3)2 + PbO =>
Na2O + Pb(NO3)2 = Na2(NO3)2 + PbO
FeS2(g) + O2(g) = Fe2O3(s) + SO2(g) =>
4 FeS2(g) + 11 O2(g) = 2 Fe2O3(s) + 8 SO2(g)
NaHCO3 + C6H8O7 = C6H5Na3O7 + CO2 + H2O =>
3 NaHCO3 + C6H8O7 = C6H5Na3O7 + 3 CO2 + 3 H2O
C6H8O7 + NH4OH = (NH4)3C6H5O7 + H2O =>
C6H8O7 + 3 NH4OH = (NH4)3C6H5O7 + 3 H2O
ZnBr2 + H2CO3 = HBr + ZnCO3 =>
ZnBr2 + H2CO3 = 2 HBr + ZnCO3
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