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2 K2S2O8 + 2 H2O = 2 K2SO4 + 2 H2SO4 + O2
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ni2[Fe(CN)6] + NH3 = [Ni(NH3)6]2[Fe(CN)6] =>
Ni2[Fe(CN)6] + 12 NH3 = [Ni(NH3)6]2[Fe(CN)6]
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
NaIO3 + SO2 + H2O = NaHSO4 + H2SO4 + I2 =>
2 NaIO3 + 5 SO2 + 4 H2O = 2 NaHSO4 + 3 H2SO4 + I2
N2 + H2 + C + O2 = (NH4)2CO3 =>
2 N2 + 8 H2 + 2 C + 3 O2 = 2(NH4)2CO3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
HCl + S = SCl2 + H2 =>
2 HCl + S = SCl2 + H2
PbS + HBr = PbBr2 + H2S =>
PbS + 2 HBr = PbBr2 + H2S
(NH4)2S + NaOH = (NH4)2OH + SNa =>
(NH4)2S + NaOH = (NH4)2OH + SNa
Pb2(aq) + Cl(aq) = PbCl2(s) =>
Pb2(aq) + 4 Cl(aq) = 2 PbCl2(s)
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
XC2H6O3 + C4H6O3 = XC9H8O4 + CH3COOH =>
2 XC2H6O3 + 12 C4H6O3 = 2 XC9H8O4 + 17 CH3COOH
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
Ca(OH)2 + H2S = H(OH) + CaS =>
Ca(OH)2 + H2S = 2 H(OH) + CaS
Cu(OH)2SO4 + Sn = CuSO4 + Sn(OH)2 =>
Cu(OH)2SO4 + Sn = CuSO4 + Sn(OH)2
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
Pb(s) + HNO3(aq) = Pb(NO3)2(aq) + H2(g) =>
Pb(s) + 2 HNO3(aq) = Pb(NO3)2(aq) + H2(g)
PbCl2(s) = Pb + Cl2 =>
PbCl2(s) = Pb + Cl2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Rb(s) + H2O = RbOH + H2 =>
2 Rb(s) + 2 H2O = 2 RbOH + H2
NaHCO3(s) + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3(s) + CH3COOH = CH3COONa + H2O + CO2
HC3H5O3 + NaC3H5O3 = C3H5O3 + NaHC3H5O3 =>
HC3H5O3 + NaC3H5O3 = C3H5O3 + NaHC3H5O3
Fe(NO3)2*9H2O = FeO + NO2 + O2 + H2O =>
2 Fe(NO3)2*9H2O = 2 FeO + 4 NO2 + O2 + 18 H2O
CH3CH2CHClCH3 + H2O = CH3CH2CH(OH)CH3 + HCl =>
CH3CH2CHClCH3 + H2O = CH3CH2CH(OH)CH3 + HCl
KMnO4 + NaCl + H2SO4 = MnSO4 + Cl2 + H2O + NaHSO4 + KHSO4 =>
2 KMnO4 + 10 NaCl + 14 H2SO4 = 2 MnSO4 + 5 Cl2 + 8 H2O + 10 NaHSO4 + 2 KHSO4
C12H22O11 = C + H2O =>
C12H22O11 = 12 C + 11 H2O
Ca(NO3)2(aq) + K3PO4(aq) = Ca3(PO4)2(s) + KNO3(aq) =>
3 Ca(NO3)2(aq) + 2 K3PO4(aq) = Ca3(PO4)2(s) + 6 KNO3(aq)
MgCl2(aq) + AgNO3(aq) = Mg(NO3)2(aq) + AgCl(s) =>
MgCl2(aq) + 2 AgNO3(aq) = Mg(NO3)2(aq) + 2 AgCl(s)
CuNO3(aq) + NaCl(aq) = NO3Na(aq) + CuCl =>
CuNO3(aq) + NaCl(aq) = NO3Na(aq) + CuCl
VO2Cl + HCl + Cu = VCl3 + CuCl2 + H2O =>
VO2Cl + 4 HCl + Cu = VCl3 + CuCl2 + 2 H2O
Al(HCO3)3 = CO2 + Al2(CO3)3 + H2O =>
2 Al(HCO3)3 = 3 CO2 + Al2(CO3)3 + 3 H2O
CH4N2O = H2 + CH3N2O =>
2 CH4N2O = H2 + 2 CH3N2O
C2H2Cl2 + Cl2 = C2H2Cl4 =>
C2H2Cl2 + Cl2 = C2H2Cl4
AgNO3(g) + NaCl(s) = AgCl(s) + NaNO3(s) =>
AgNO3(g) + NaCl(s) = AgCl(s) + NaNO3(s)
C5H12 + KMnO4 + H2SO4 = C5H10O2 + K2SO4 + MnSO4 + H2O =>
5 C5H12 + 6 KMnO4 + 9 H2SO4 = 5 C5H10O2 + 3 K2SO4 + 6 MnSO4 + 14 H2O
As2S2 + HNO3 + K = H3AsO4 + KHSO4 + H2O + NO2 =>
As2S2 + 24 HNO3 + 2 K = 2 H3AsO4 + 2 KHSO4 + 8 H2O + 24 NO2
Fe + NaCl2 + H2O = FeCl3 + H2 + NaO =>
2 Fe + 3 NaCl2 + 3 H2O = 2 FeCl3 + 3 H2 + 3 NaO
MgCl2 + Ca4Cl = Mg2Cl + Ca4Cl2 =>
2 MgCl2 + 3 Ca4Cl = Mg2Cl + 3 Ca4Cl2
CsOH + FeBr3 = Fe(OH)3 + CsBr =>
3 CsOH + FeBr3 = Fe(OH)3 + 3 CsBr
H2SiF6 + Ca(OH)2 = CaF2 + H2O + SiO2 =>
H2SiF6 + 3 Ca(OH)2 = 3 CaF2 + 4 H2O + SiO2
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
K3PO4 + CaCl2 = KCl + Ca3P2O8 =>
2 K3PO4 + 3 CaCl2 = 6 KCl + Ca3P2O8
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
F2 + H2O = HF(H2O) + O2 =>
2 F2 + 6 H2O = 4 HF(H2O) + O2
Na2SiF6 + Na = Si + NaF =>
Na2SiF6 + 4 Na = Si + 6 NaF
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