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2 Na2Zn(CN)4 + 3 H2SO4 + 2 NaHS = 3 Na2SO4 + 8 HCN + 2 ZnS
FeCl3 + Na2SO3 + H2SO4 = FeCl2 + Na2SO4 + HCl + SO3 =>
2 FeCl3 + Na2SO3 + H2SO4 = 2 FeCl2 + Na2SO4 + 2 HCl + SO3
ClO2 + OH{-} = ClO{-} + ClO3{-} + H2O =>
4 ClO2 + 4 OH{-} = ClO{-} + 3 ClO3{-} + 2 H2O
KMnO4 + MnBr2 + H2O = MnO2 + HBr + KBr =>
2 KMnO4 + 3 MnBr2 + 2 H2O = 5 MnO2 + 4 HBr + 2 KBr
Ge + O = GeO2 =>
Ge + 2 O = GeO2
CaF2 + O2 = CaO + OF2 =>
CaF2 + O2 = CaO + OF2
CaCl2 + (NH4)2C2O4 = Ca(C2O4) + (NH4)Cl =>
CaCl2 + (NH4)2C2O4 = Ca(C2O4) + 2(NH4)Cl
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)
F2 + NaOH = NaF + HF + OF2 =>
2 F2 + NaOH = NaF + HF + OF2
Ag + Br = AgBr =>
Ag + Br = AgBr
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
HBr3 + Cl2 = HCl + Br2 =>
2 HBr3 + Cl2 = 2 HCl + 3 Br2
CoCl2*H2O = CoCl2 + H2O =>
CoCl2*H2O = CoCl2 + H2O
C2H6 + O2 = C3H6 + H2O =>
6 C2H6 + 3 O2 = 4 C3H6 + 6 H2O
Ho + O2 + H2O = Ho(OH)3 =>
4 Ho + 3 O2 + 6 H2O = 4 Ho(OH)3
ZnSO4 + K4[Fe(CN)6] = K2SO4 + K2Zn[Fe(CN)6] =>
ZnSO4 + K4[Fe(CN)6] = K2SO4 + K2Zn[Fe(CN)6]
Fe(NO3)2 + Na3PO4 = Fe(PO4)2 + Na3(NO3) =>
Fe(NO3)2 + 2 Na3PO4 = Fe(PO4)2 + 2 Na3(NO3)
Al2(SO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 H2SO4
N3H12P1O4 + Pb1N4O12 = Pb3P4O16 + N1H4N1O3 =>
4 N3H12P1O4 + 3 Pb1N4O12 = Pb3P4O16 + 12 N1H4N1O3
FeO + NH4OH = Fe(OH)2 + NH3 =>
FeO + NH4OH = Fe(OH)2 + NH3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Na2HPO4 + FeCl2 = NaCl + Fe3(PO4)2 + NaH2PO4 =>
4 Na2HPO4 + 3 FeCl2 = 6 NaCl + Fe3(PO4)2 + 2 NaH2PO4
F2 + NaOH = OF2 + NaF + H2O =>
2 F2 + 2 NaOH = OF2 + 2 NaF + H2O
CuCO3 + Ca(OH)2 = CuOH + Ca(CO3)2 =>
2 CuCO3 + Ca(OH)2 = 2 CuOH + Ca(CO3)2
Zr(OH)4 + HNO3 = H2O + Zr(NO3)4 =>
Zr(OH)4 + 4 HNO3 = 4 H2O + Zr(NO3)4
K + B2O2 = K2O + B =>
4 K + B2O2 = 2 K2O + 2 B
C6H5CH3 + KMnO4 + H2SO4 = HCOOH + K2SO4 + MnSO4 + H2O =>
5 C6H5CH3 + 22 KMnO4 + 33 H2SO4 = 35 HCOOH + 11 K2SO4 + 22 MnSO4 + 18 H2O
Pb(NO3)2 + NH3 + H2O = Pb(OH)2 + NH3NO3 =>
9 Pb(NO3)2 + 14 NH3 + 12 H2O = 9 Pb(OH)2 + 16 NH3NO3
Ba(OH)2(aq) + HCl(aq) = BaCl2(aq) + H2O =>
Ba(OH)2(aq) + 2 HCl(aq) = BaCl2(aq) + 2 H2O
[Ag(NH3)2]OH + CH3CH2OH = CH3COH + Ag + H2O + NH3 =>
2[Ag(NH3)2]OH + CH3CH2OH = CH3COH + 2 Ag + 2 H2O + 4 NH3
HI(l) = H2(g) + I2(l) =>
2 HI(l) = H2(g) + I2(l)
K2S + Sn(NO3)4 = K(NO3) + SnS2 =>
2 K2S + Sn(NO3)4 = 4 K(NO3) + SnS2
C15H31CO2CH3 + O2 = CO2 + H2O =>
2 C15H31CO2CH3 + 49 O2 = 34 CO2 + 34 H2O
Cl2(l) + NaBr(aq) = Br2(l) + NaCl(aq) =>
Cl2(l) + 2 NaBr(aq) = Br2(l) + 2 NaCl(aq)
MgCuOH = CuMgOH =>
MgCuOH = CuMgOH
(d)CO2(g) + H2O(l) = C6H12O6(s) + O2(g) =>
6(d)CO2(g) + 6 H2O(l) = C6H12O6(s) + 6 O2(g)
PbCl2 + CH3COONa = NaCl + Na2[Pb(CH3COO)4] =>
PbCl2 + 4 CH3COONa = 2 NaCl + Na2[Pb(CH3COO)4]
Fe + NaSCN = FeSCN + Na =>
Fe + NaSCN = FeSCN + Na
NaOH + HC2H3O2 = NaCO2 + H50 =>
50 NaOH + 25 HC2H3O2 = 50 NaCO2 + 3 H50
KBr2 + Li2S = K2S + LiBr2 =>
2 KBr2 + Li2S = K2S + 2 LiBr2
Mo(OH)4 + Fe(NO3)3 = Fe(OH)3 + Mo(NO3)4 =>
3 Mo(OH)4 + 4 Fe(NO3)3 = 4 Fe(OH)3 + 3 Mo(NO3)4
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
HF + I2 = HI + F2 =>
2 HF + I2 = 2 HI + F2
CaCl2 + NH3 = N2Ca3 + HCl =>
3 CaCl2 + 2 NH3 = N2Ca3 + 6 HCl
(NH4)2Cr2O7 = (NH4)2 + Cr2O7 =>
(NH4)2Cr2O7 = (NH4)2 + Cr2O7
Al2O3 + Na2O = Na3AlO3 =>
Al2O3 + 3 Na2O = 2 Na3AlO3
Cu3(PO4)2 + Na2(SO4) = Cu(SO4) + Na3(PO4) =>
Cu3(PO4)2 + 3 Na2(SO4) = 3 Cu(SO4) + 2 Na3(PO4)
NaSO4 + PbCl2 = NaCl + Pb2(SO4)4 =>
4 NaSO4 + 2 PbCl2 = 4 NaCl + Pb2(SO4)4
Potassium + bromine = potassiumbromide =>
2 K + Br2 = 2 KBr
P4O10 + H2O = H3 + H2PO4 =>
3 P4O10 + 18 H2O = 4 H3 + 12 H2PO4
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