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2 Cr + 2 SnSO4 = 2 Sn + Cr2(SO4)2
KBr + CaCl2 = KCl2 + CaBr =>
KBr + CaCl2 = KCl2 + CaBr
FeCl2 + H2O2 + HCl = FeCl3 + H2O =>
2 FeCl2 + H2O2 + 2 HCl = 2 FeCl3 + 2 H2O
Cu2S + HNO2 = Cu(NO2)2 + SO2 + H2O + NO =>
Cu2S + 12 HNO2 = 2 Cu(NO2)2 + SO2 + 6 H2O + 8 NO
KBr + CaCl2 = KCl2 + CaBr =>
KBr + CaCl2 = KCl2 + CaBr
Cu2 + O = CuO =>
Cu2 + 2 O = 2 CuO
Cu3(PO4) = Cu + PO4 =>
Cu3(PO4) = 3 Cu + PO4
FeO(OH) + HNO3 = FeOH(NO3)2 + H2O =>
FeO(OH) + 2 HNO3 = FeOH(NO3)2 + H2O
P42 + O2 = P2O3 =>
2 P42 + 63 O2 = 42 P2O3
C10H12O3 + O2 = CO2 + H2O =>
2 C10H12O3 + 23 O2 = 20 CO2 + 12 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C6H12O6 + C6H10O5 = C3H8O + CO2 =>
C6H12O6 + 2 C6H10O5 = 4 C3H8O + 6 CO2
Zn + CuCl2 + H2O = CuO + ZnCl + H2 =>
2 Zn + CuCl2 + H2O = CuO + 2 ZnCl + H2
K2S + NaCH3COO = KCH3COO + Na2S =>
K2S + 2 NaCH3COO = 2 KCH3COO + Na2S
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NaClO{-} + NaCrO2{-} = NaCl{-} + NaCrO4{-2-} =>
2 NaClO{-} + NaCrO2{-} = 2 NaCl{-} + NaCrO4{-2-}
Ba(CH3COO)2 + Li2CO3 = BaCO3 + LiCH3COO =>
Ba(CH3COO)2 + Li2CO3 = BaCO3 + 2 LiCH3COO
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
MgBr2 + K2CrO4 = MgCrO4 + KBr =>
MgBr2 + K2CrO4 = MgCrO4 + 2 KBr
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
KOH + SO2 = K2SO3 + HOH =>
2 KOH + SO2 = K2SO3 + HOH
NaFeO2 + HNO3 = Fe(NO3)3 + NaNO3 + H2O =>
NaFeO2 + 4 HNO3 = Fe(NO3)3 + NaNO3 + 2 H2O
Ca(NO3)2 + NH4OH = Ca(OH) + NH4(NO3)2 =>
Ca(NO3)2 + NH4OH = Ca(OH) + NH4(NO3)2
Ag + SO3 = Ag2(SO3) =>
2 Ag + SO3 = Ag2(SO3)
HC2H3O2 + CaCO3 = Ca(C2H3O2)2 + CO2 + H2O =>
2 HC2H3O2 + CaCO3 = Ca(C2H3O2)2 + CO2 + H2O
CUS + H2O = CU(OH)2 + H2S =>
CUS + 2 H2O = CU(OH)2 + H2S
C2H6O6 + O2 = CO2 + H2O =>
2 C2H6O6 + O2 = 4 CO2 + 6 H2O
CH3CH(Cl)CH3 + HCOONa = HCOOCH(CH3)CH3 + NaCl =>
CH3CH(Cl)CH3 + HCOONa = HCOOCH(CH3)CH3 + NaCl
HCl + Sr(HCO3)2 = Sr(Cl)2 + H2O + CO2 =>
2 HCl + Sr(HCO3)2 = Sr(Cl)2 + 2 H2O + 2 CO2
H2S + Li3PO4 = H3PO4 + Li2S =>
3 H2S + 2 Li3PO4 = 2 H3PO4 + 3 Li2S
CrO2{-} + SO4{-2} + OH{-} = CrO4{-2} + S2O3{-2} + H2O =>
8 CrO2{-} + 6 SO4{-2} + 2 OH{-} = 8 CrO4{-2} + 3 S2O3{-2} + H2O
H2SO4(l) + CaCO3(s) = CaSO4(s) + H2O(l) + CO2(g) =>
H2SO4(l) + CaCO3(s) = CaSO4(s) + H2O(l) + CO2(g)
Pb(NO3)2(aq) + K2CrO4(aq) = Pb2(CrO4)2(s) + KNO3(aq) =>
2 Pb(NO3)2(aq) + 2 K2CrO4(aq) = Pb2(CrO4)2(s) + 4 KNO3(aq)
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Cr(NO3)2 + Ba(OH)2 = Cr(OH)2Ba(NO3)2 =>
Cr(NO3)2 + Ba(OH)2 = Cr(OH)2Ba(NO3)2
C12H20O5 + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 C12H20O5 + 58 KMnO4 + 87 H2SO4 = 60 CO2 + 29 K2SO4 + 58 MnSO4 + 137 H2O
Li + Zn{2+} = Li{+} + Zn =>
2 Li + Zn{2+} = 2 Li{+} + Zn
CrO4{2-} + S{2-} + H2O = S + CrO2{-} + OH{-} =>
2 CrO4{2-} + 3 S{2-} + 4 H2O = 3 S + 2 CrO2{-} + 8 OH{-}
SnO + ClO2 = SnCl4 + O2 =>
2 SnO + 8 ClO2 = 2 SnCl4 + 9 O2
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
C6H5CCH3CH2 + KMnO4 + H2O = C6H5CCH3(OH)CH2OH + MnO2 + KOH =>
3 C6H5CCH3CH2 + 2 KMnO4 + 4 H2O = 3 C6H5CCH3(OH)CH2OH + 2 MnO2 + 2 KOH
Fe + AgF = FeF2 + Ag =>
Fe + 2 AgF = FeF2 + 2 Ag
Rb + P = Rb3P =>
3 Rb + P = Rb3P
H2S3O10 + H2O = H2SO4 =>
H2S3O10 + 2 H2O = 3 H2SO4
V + KOH + O2 = K3VO4 + H2O =>
4 V + 12 KOH + 5 O2 = 4 K3VO4 + 6 H2O
Ag2O + HNO3 = AgNO3 + H2O =>
Ag2O + 2 HNO3 = 2 AgNO3 + H2O
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
SO2Cl2 + H2O = HClSO3 + HCl =>
SO2Cl2 + H2O = HClSO3 + HCl
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