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2 Ca + Fe(SO4)2 = 2 CaSO4 + Fe
Na2Cr2O7 + Na2C2O4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + CO2 + H2O =>
Na2Cr2O7 + 3 Na2C2O4 + 7 H2SO4 = 4 Na2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
Pb(NO3)2 + K2CrO4 = KNO3 + PbCrO4 =>
Pb(NO3)2 + K2CrO4 = 2 KNO3 + PbCrO4
V + AgNO3 = Ag + V(NO3)2 =>
V + 2 AgNO3 = 2 Ag + V(NO3)2
Mn(OH)2 + CaOCl2 = MnO2 + CaCl2 + H2O =>
Mn(OH)2 + CaOCl2 = MnO2 + CaCl2 + H2O
Sr + Cu(NO3)2 = Sr(NO3)2 + Cu =>
Sr + Cu(NO3)2 = Sr(NO3)2 + Cu
Au(HCO3)3 = Au2O3 + CO2 + H2O =>
2 Au(HCO3)3 = Au2O3 + 6 CO2 + 3 H2O
H2SO4 + B(OH)3 = B2(SO4)3 + H2O = @ =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
(NH4)3AlH6 = Al + N2 + H2 =>
2(NH4)3AlH6 = 2 Al + 3 N2 + 18 H2
I2 + AlF3 = AlI + F2 =>
I2 + 2 AlF3 = 2 AlI + 3 F2
Ni + H2S = Ni2S3 + H2 =>
2 Ni + 3 H2S = Ni2S3 + 3 H2
KCl(aq) + Pb(C2H3O2)2(aq) = KC2H3O2(aq) + PbCl2(s) =>
2 KCl(aq) + Pb(C2H3O2)2(aq) = 2 KC2H3O2(aq) + PbCl2(s)
(CH3COO)2Pb + Na2S = PbS + CH3COONa =>
(CH3COO)2Pb + Na2S = PbS + 2 CH3COONa
C7H12 + KMnO4 + H2SO4 = C7H12O4 + MnSO4 + K2SO4 + H2O =>
5 C7H12 + 8 KMnO4 + 12 H2SO4 = 5 C7H12O4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
PbO2 + Cr(OH)3 + OH{-] = Pb(OH)3{-}+CrO4{2-}+H2O =>
3 PbO2 + 2 Cr(OH)3 + 7 OH{-] = 3 Pb(OH)3{-}+2CrO4{2-}+2H2O
C3H8(g) + H2O(g) = H2(g) + CO2(g) =>
C3H8(g) + 6 H2O(g) = 10 H2(g) + 3 CO2(g)
CuO + MgSO4 = CuSO4 + MgO =>
CuO + MgSO4 = CuSO4 + MgO
Ca(CH3COO)2 + KMnO4 = K2MnO4 + CaCO3 + CO2 + H2O + MnO2 =>
Ca(CH3COO)2 + 8 KMnO4 = 4 K2MnO4 + CaCO3 + 3 CO2 + 3 H2O + 4 MnO2
N2 + H2(g) = NH2 =>
N2 + 2 H2(g) = 2 NH2
Na2HPO4*12H2O + NaOH = Na3PO4 + H2O =>
Na2HPO4*12H2O + NaOH = Na3PO4 + 13 H2O
P4 + Fe2O3 = P4O10 + Fe =>
3 P4 + 10 Fe2O3 = 3 P4O10 + 20 Fe
Zn + H2O4S = ZnSO4 + H2 =>
Zn + H2O4S = ZnSO4 + H2
KMnO4 + H2SO4 + Na2SO3 = K2SO4 + MnSO4 + NaSO4 + H2O =>
4 KMnO4 + 11 H2SO4 + 5 Na2SO3 = 2 K2SO4 + 4 MnSO4 + 10 NaSO4 + 11 H2O
N(s) + HBr(aq) = NBr2(aq) + H2(g) =>
N(s) + 2 HBr(aq) = NBr2(aq) + H2(g)
MeO + H2SO4 = MeSO4 + H2O =>
MeO + H2SO4 = MeSO4 + H2O
NO3 + Cl2 = NO + ClO3 =>
3 NO3 + Cl2 = 3 NO + 2 ClO3
AgVO3 = Ag + VO3 =>
AgVO3 = Ag + VO3
C3H8O + H2CrO4 = C3H6O + H2O + Cr =>
3 C3H8O + H2CrO4 = 3 C3H6O + 4 H2O + Cr
FeSO4 + Cu(NO3)2 = Fe(NO3)2 + CuSO4 =>
FeSO4 + Cu(NO3)2 = Fe(NO3)2 + CuSO4
Zn + CrO4{-2} + H2O = Zn{2+} + Cr(OH)3 + OH{-} =>
3 Zn + 2 CrO4{-2} + 8 H2O = 3 Zn{2+} + 2 Cr(OH)3 + 10 OH{-}
HBr(aq) + K2S(aq) = H2S + KBr =>
2 HBr(aq) + K2S(aq) = H2S + 2 KBr
SO3 + NaO = SO + NaO3 =>
SO3 + NaO = SO + NaO3
P4(s) + H2 = PH3 =>
P4(s) + 6 H2 = 4 PH3
H2(SO3) = H2O + SO2 =>
H2(SO3) = H2O + SO2
NaC7H5O3 + H2SO4 = C7H6O3 + NaHSO4 =>
NaC7H5O3 + H2SO4 = C7H6O3 + NaHSO4
C7H6O3 = C6H5OH + CO2 =>
C7H6O3 = C6H5OH + CO2
KNO3(aq) + H2SO4(aq) = K2SO4(aq) + HNO3(aq) =>
2 KNO3(aq) + H2SO4(aq) = K2SO4(aq) + 2 HNO3(aq)
C2H6O2 + HIO4 = H2CO3 + HIO3 + H2O =>
C2H6O2 + 5 HIO4 = 2 H2CO3 + 5 HIO3 + H2O
KHC4H4O6 + NaOH = NaHC4H4O6 + KOH =>
KHC4H4O6 + NaOH = NaHC4H4O6 + KOH
H2SO4 + NOH = N2SO4 + H2O =>
H2SO4 + 2 NOH = N2SO4 + 2 H2O
CaO + H2O = CaH2 + OH =>
CaO + 3 H2O = CaH2 + 4 OH
Zn(s) + H2SO4 = ZnO + H2SO3 =>
Zn(s) + H2SO4 = ZnO + H2SO3
Na(OH) + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
Na(OH) + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
Li + MgO = Li2O + Mg =>
2 Li + MgO = Li2O + Mg
Pb + K = PbK =>
Pb + K = PbK
CuCl2 + KCl = KCl2 + CuCl =>
CuCl2 + KCl = KCl2 + CuCl
C19H28O11 + O2 = CO2 + H2O =>
2 C19H28O11 + 41 O2 = 38 CO2 + 28 H2O
HgN2O6 = Hg + NO2 + O2 =>
HgN2O6 = Hg + 2 NO2 + O2
Ca(ClO3) = CaClO3 =>
Ca(ClO3) = CaClO3
CH4O + C6H12O2 = C7H14O2 + H2O =>
CH4O + C6H12O2 = C7H14O2 + H2O
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