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3 Pb(Cr2O7)2 + 4 K3AsO4 = 6 K2(Cr2O7) + Pb3(AsO4)4
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
CoCl2 + Bi2S5 = CoS + BiCl5 =>
5 CoCl2 + Bi2S5 = 5 CoS + 2 BiCl5
Sn + AgCl = SnCl2 + Ag =>
Sn + 2 AgCl = SnCl2 + 2 Ag
K + Br2 = KBr1 =>
2 K + Br2 = 2 KBr1
Al2(Cr2O7)3 + Ca(OH)2 = Al(OH)3 + Ca(Cr2O7) =>
Al2(Cr2O7)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 Ca(Cr2O7)
Na2S2O3 + I2 = NaI + S2O3 =>
Na2S2O3 + I2 = 2 NaI + S2O3
Na + {2+} = Na{2+}O =>
Na + {2+} = Na{2+}O
C3H5O9 = O2 + CO2 + H2O =>
4 C3H5O9 = O2 + 12 CO2 + 10 H2O
[]Fe2O3 + []H2O = Fe(OH)3 =>
[]Fe2O3 + 3[]H2O = 2 Fe(OH)3
H2S + HClO3 = S + HCl + H2O =>
3 H2S + HClO3 = 3 S + HCl + 3 H2O
NH4Cl + KNO3 = N2O + H2O + KCl =>
NH4Cl + KNO3 = N2O + 2 H2O + KCl
Na + SnCl4 = Sn + NaCl =>
4 Na + SnCl4 = Sn + 4 NaCl
ZnO + FeO = Zn2FeO3 =>
2 ZnO + FeO = Zn2FeO3
NaPO4 + BaCl2 = NaCl2 + BaPO4 =>
NaPO4 + BaCl2 = NaCl2 + BaPO4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Os(CO) + O2 = OsO4 + CO2 =>
2 Os(CO) + 5 O2 = 2 OsO4 + 2 CO2
H2(SO4) + Na(NO2) = H(NO2) + Na2(SO4) =>
H2(SO4) + 2 Na(NO2) = 2 H(NO2) + Na2(SO4)
Na2CrO4 + HCl = NaCl + CrCl3 + H2O + Cl2 =>
2 Na2CrO4 + 16 HCl = 4 NaCl + 2 CrCl3 + 8 H2O + 3 Cl2
HCl + H2S = Cl2S + H2 =>
2 HCl + H2S = Cl2S + 2 H2
PbSO4 + CH3COONa = (CH3COO)2Pb + Na2SO4 =>
PbSO4 + 2 CH3COONa = (CH3COO)2Pb + Na2SO4
FeCl3 + NH3 = FeH3 + NCl3 =>
FeCl3 + NH3 = FeH3 + NCl3
SiH + O2 = SiO + H2 =>
2 SiH + O2 = 2 SiO + H2
ZnPo4 + NaNo3 = NaPo4 + ZnNo3 =>
ZnPo4 + NaNo3 = NaPo4 + ZnNo3
CH3Cl + H2 = HCl + CH4 =>
CH3Cl + H2 = HCl + CH4
S + O3 + NaOH = Na2SO4 + H2O =>
S + O3 + 2 NaOH = Na2SO4 + H2O
HNO2 + Mg = Mg(NO2)2 + H2O + N2O =>
6 HNO2 + 2 Mg = 2 Mg(NO2)2 + 3 H2O + N2O
MgSO4(aq) + NaOH(aq) = Mg(OH)2(s) + Na2SO4(aq) =>
MgSO4(aq) + 2 NaOH(aq) = Mg(OH)2(s) + Na2SO4(aq)
HCOH + CaOH = H2O + CaCHO =>
HCOH + CaOH = H2O + CaCHO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C2H6 + O2 = CO + H2O =>
2 C2H6 + 5 O2 = 4 CO + 6 H2O
H2S + Na2SO4 = H2SO4 + Na2S =>
H2S + Na2SO4 = H2SO4 + Na2S
CsOH + HF = H2O + CsF =>
CsOH + HF = H2O + CsF
H2 + IBr = HI + HBr =>
H2 + IBr = HI + HBr
S8(s) + O2 = SO2(g) =>
S8(s) + 8 O2 = 8 SO2(g)
Al2(SO4)3 + Ca3(PO4)2 = Ca2(SO4)3 + Al3(PO4)2 =>
3 Al2(SO4)3 + 2 Ca3(PO4)2 = 3 Ca2(SO4)3 + 2 Al3(PO4)2
KMnO4 + K2SO3 + KOH = K3MnO4 + K2SO4 + H2O =>
KMnO4 + K2SO3 + 2 KOH = K3MnO4 + K2SO4 + H2O
CuCl2(s) + Na2SO4(aq) = CuSO4 + NaCl(aq) =>
CuCl2(s) + Na2SO4(aq) = CuSO4 + 2 NaCl(aq)
MnO4 + Mo = Mn + MoO2 =>
MnO4 + 2 Mo = Mn + 2 MoO2
BaNaOH = BaONaH =>
BaNaOH = BaONaH
CO2 + H2O = C6H16 + O2 =>
6 CO2 + 8 H2O = C6H16 + 10 O2
CuO + CH = Cu + CO2 + H2O =>
5 CuO + 2 CH = 5 Cu + 2 CO2 + H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
PBO + NaOH + H2O = Na2PB(OH)4 =>
PBO + 2 NaOH + H2O = Na2PB(OH)4
Pb(NO3)2(aq) + NH3(aq) = Pb(aq) + NH3(NO3)2(aq) =>
Pb(NO3)2(aq) + NH3(aq) = Pb(aq) + NH3(NO3)2(aq)
C14H26O11 + O2 = CO + H2O =>
C14H26O11 + 8 O2 = 14 CO + 13 H2O
C6H5CH2Br + KMnO4 = C6H5COOK + MnO2 + KOH + H2O + HBr =>
3 C6H5CH2Br + 4 KMnO4 = 3 C6H5COOK + 4 MnO2 + KOH + H2O + 3 HBr
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
K[Al(OH)4] + NH4I = NH4[Al(OH)4] + KI =>
K[Al(OH)4] + NH4I = NH4[Al(OH)4] + KI
C2H4(OH)2 + NaHSO4 = C2H4(HSO4)2 + NaOH =>
C2H4(OH)2 + 2 NaHSO4 = C2H4(HSO4)2 + 2 NaOH
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