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CuS + 2 O = Cu + SO2
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
Na3[Cr(OH)6] + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na3[Cr(OH)6] + 3 Br2 + 4 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CuCl2 = Cl + Cu =>
CuCl2 = 2 Cl + Cu
Pb(NO3)2 + Na2S = Pb2(S)2 + NaNO3 =>
2 Pb(NO3)2 + 2 Na2S = Pb2(S)2 + 4 NaNO3
LuCl3 + NaOH = Lu(OH)2Cl + NaCl =>
LuCl3 + 2 NaOH = Lu(OH)2Cl + 2 NaCl
Fe + K4[Fe(CN)6] = Fe[Fe(CN)6] + K =>
Fe + K4[Fe(CN)6] = Fe[Fe(CN)6] + 4 K
Ca + Mg = Ca2Mg =>
2 Ca + Mg = Ca2Mg
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaOH + FeCl3 = Fe(OH)3 + NaCl =>
3 NaOH + FeCl3 = Fe(OH)3 + 3 NaCl
(CuOH)2CO3 + HC1 = CuC12 + CO2 + H2 =>
4(CuOH)2CO3 + 102 HC1 = 8 CuC12 + 10 CO2 + 55 H2
K3[Fe(SCN)6] + Na2HPO4 = Fe2(HPO4)3 + NaSCN + KSCN =>
2 K3[Fe(SCN)6] + 3 Na2HPO4 = Fe2(HPO4)3 + 6 NaSCN + 6 KSCN
KIO3 + HI + H2SO4 = I2 + K2SO4 + H2O =>
2 KIO3 + 10 HI + H2SO4 = 6 I2 + K2SO4 + 6 H2O
HBr + P(OH)3 = PBr3 + H2O =>
3 HBr + P(OH)3 = PBr3 + 3 H2O
H3PO4 + CaO = Ca3[PO4]2 + H2O =>
2 H3PO4 + 3 CaO = Ca3[PO4]2 + 3 H2O
Al(HSO3)3 + NaOH = Al(OH)3 + Na2SO4 + H2 =>
Al(HSO3)3 + 6 NaOH = Al(OH)3 + 3 Na2SO4 + 3 H2
AlBr3 + AgOH = AgBr + Al(OH)3 =>
AlBr3 + 3 AgOH = 3 AgBr + Al(OH)3
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
C6H5OH + H2SO4 = C6H6SO4 + H2O =>
C6H5OH + H2SO4 = C6H6SO4 + H2O
K3Fe(CN)6 + H2SO4 = K2SO4 + FeSO4 + HCN + (CN)2 =>
2 K3Fe(CN)6 + 5 H2SO4 = 3 K2SO4 + 2 FeSO4 + 10 HCN + (CN)2
O2 + C57H110O6 = H2O + CO2 =>
163 O2 + 2 C57H110O6 = 110 H2O + 114 CO2
K2CO3 + C = CO + K =>
K2CO3 + 2 C = 3 CO + 2 K
Ca{2+} + Cl{-} = Ca + Cl{2} =>
3 Ca{2+} + 2 Cl{-} = 3 Ca + 2 Cl{2}
SO2 + NaOH = NaHSO3 =>
SO2 + NaOH = NaHSO3
MnCO3 + H2SO4 + (NH4)2SO4 + H2O = (NH4)2Mn(SO4)2*6H2O + CO2 =>
MnCO3 + H2SO4 + (NH4)2SO4 + 5 H2O = (NH4)2Mn(SO4)2*6H2O + CO2
C5H7O4{-} + OH{-} = C3H5O3{-} + C2H3O2{-} =>
C5H7O4{-} + OH{-} = C3H5O3{-} + C2H3O2{-}
Al2(SO4)3 + HCl = AlCl3 + H2SO4 =>
Al2(SO4)3 + 6 HCl = 2 AlCl3 + 3 H2SO4
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
Sc2O3 + H2 = Sc + H2O =>
Sc2O3 + 3 H2 = 2 Sc + 3 H2O
AgNO3 + NaOH + Na2SO3 = Ag + Na2SO4 + NaNO3 + H2O =>
2 AgNO3 + 2 NaOH + Na2SO3 = 2 Ag + Na2SO4 + 2 NaNO3 + H2O
SmCl2 + KMnO4 + H2SO4 = Sm2(SO4)3 + K2SO4 + MnSO4 + H2O + HCl =>
10 SmCl2 + 2 KMnO4 + 18 H2SO4 = 5 Sm2(SO4)3 + K2SO4 + 2 MnSO4 + 8 H2O + 20 HCl
CuSO4 + H2O + Zn = Cu + H2SO4 + ZnO =>
CuSO4 + H2O + Zn = Cu + H2SO4 + ZnO
KHCO3 + HCI = KCI + H2O + CO2 =>
KHCO3 + HCI = KCI + H2O + CO2
KC1O3 + KI + H2O = KC1 + I2 + KOH =>
KC1O3 + 6 KI + 3 H2O = KC1 + 3 I2 + 6 KOH
CuI + K2CO3 = KI + Cu2O + CO2 =>
2 CuI + K2CO3 = 2 KI + Cu2O + CO2
HCl + K2CrO7 = Cl2 + CrCl3 + KCl + H2O =>
28 HCl + 2 K2CrO7 = 9 Cl2 + 2 CrCl3 + 4 KCl + 14 H2O
C3H6Br + NaOH = C3H6(OH) + NaBr =>
C3H6Br + NaOH = C3H6(OH) + NaBr
Zh + H3PO4 = ZhPO4 + H2 =>
2 Zh + 2 H3PO4 = 2 ZhPO4 + 3 H2
MnO2 + K2CO3 + KClO3 = K2MnO4 + KCl + CO2 =>
3 MnO2 + 3 K2CO3 + KClO3 = 3 K2MnO4 + KCl + 3 CO2
MgCl2 + NH4H2PO4 = MgH2PO4 + NH4Cl2 =>
MgCl2 + NH4H2PO4 = MgH2PO4 + NH4Cl2
NaHCO3 + C3H6O3 = CO2 + H2O + Na2CO =>
6 NaHCO3 + C3H6O3 = 6 CO2 + 6 H2O + 3 Na2CO
Cu3N2 + O2 = Cu2O + NO2 =>
4 Cu3N2 + 11 O2 = 6 Cu2O + 8 NO2
Fe2O3*FeO = Fe3O4 =>
Fe2O3*FeO = Fe3O4
KClO3 + KI + HCl = KCl + H2O + I2 =>
KClO3 + 6 KI + 6 HCl = 7 KCl + 3 H2O + 3 I2
Fe3(s) + O2(g) = Fe2O3(s) =>
4 Fe3(s) + 9 O2(g) = 6 Fe2O3(s)
FeO + Al = Al(FeO)3 =>
3 FeO + Al = Al(FeO)3
FeSO4 + LiBr = Li2SO4 + FeBr2 =>
FeSO4 + 2 LiBr = Li2SO4 + FeBr2
Li + N2 + O2 = LiNO2 =>
2 Li + N2 + 2 O2 = 2 LiNO2
C6H5NH2 + CHCl3 + KOH = C6H5NC + KCl + H2O =>
C6H5NH2 + CHCl3 + 3 KOH = C6H5NC + 3 KCl + 3 H2O
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