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4 Cu + O2 = 2 Cu2O
K2[HgI4]KCN = K[HgI4]K2CN =>
K2[HgI4]KCN = K[HgI4]K2CN
ZnO + NaOH = Na2ZnO2 + H2O =>
ZnO + 2 NaOH = Na2ZnO2 + H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
CaOCl2O3 = Ca(ClO2)2 =>
CaOCl2O3 = Ca(ClO2)2
HCOOH + O2 = CO2 + H2O =>
2 HCOOH + O2 = 2 CO2 + 2 H2O
CaCO3 + Al2O3 + SiO2 = CaAl2Si4O12 + CO2 =>
CaCO3 + Al2O3 + 4 SiO2 = CaAl2Si4O12 + CO2
CrCl3 + Cr = CrCl2 =>
2 CrCl3 + Cr = 3 CrCl2
KMnO4 + NaNO2 + KOH = K2MnO4 + NaNO3 + H2O =>
2 KMnO4 + NaNO2 + 2 KOH = 2 K2MnO4 + NaNO3 + H2O
BaCl2Ba(NO3)2 = BaNO3Cl =>
BaCl2Ba(NO3)2 = 2 BaNO3Cl
Eu(OH)2 + CO2 + H2O = CO + Eu(OH)3 =>
2 Eu(OH)2 + CO2 + H2O = CO + 2 Eu(OH)3
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
FeSHBr = FeBrHS =>
FeSHBr = FeBrHS
CuHOH = HCuOH =>
CuHOH = HCuOH
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Eu(OH)2 + CO2 + H2O = CO + Eu(OH)3 =>
2 Eu(OH)2 + CO2 + H2O = CO + 2 Eu(OH)3
K2CO + C + N2 = KCN + CO =>
K2CO + 2 C + N2 = 2 KCN + CO
Al(s) + KOH + H2O = K{+} + Al(OH)4{-} + H2 =>
2 Al(s) + 2 KOH + 6 H2O = 2 K{+} + 2 Al(OH)4{-} + 3 H2
Eu(OH)2 + CO2 + H2O = CO + Eu(OH)3 =>
2 Eu(OH)2 + CO2 + H2O = CO + 2 Eu(OH)3
Hg2{+} + Ag = Hg + Ag{+} =>
Hg2{+} + Ag = 2 Hg + Ag{+}
HCOOC2H5 + O2 = CO2 + H2O =>
2 HCOOC2H5 + 7 O2 = 6 CO2 + 6 H2O
NH3 + CuSO4 + H2O = Cu(OH)2 + (NH4)2SO4 =>
2 NH3 + CuSO4 + 2 H2O = Cu(OH)2 + (NH4)2SO4
Hg2{+} + Ag = Hg + Ag{+} =>
Hg2{+} + Ag = 2 Hg + Ag{+}
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
BeI + CuSO4 = BeSO4 + CuI =>
BeI + CuSO4 = BeSO4 + CuI
Ca(CH3COO)2 + NaOH = Ca(OH)2 + NaCH3COO =>
Ca(CH3COO)2 + 2 NaOH = Ca(OH)2 + 2 NaCH3COO
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NaOHHCl = H2ONaCl =>
NaOHHCl = H2ONaCl
KMnO4 + H2SO4 + H2S = K2SO4 + MnSO4 + H2O =>
8 KMnO4 + 7 H2SO4 + 5 H2S = 4 K2SO4 + 8 MnSO4 + 12 H2O
Co(NO3)2 + CH3COOH = (CH3COO)2Co + HNO3 =>
Co(NO3)2 + 2 CH3COOH = (CH3COO)2Co + 2 HNO3
CaO + MgCl2 = CaCl2 + MgO =>
CaO + MgCl2 = CaCl2 + MgO
H2 + Fe2O3 = Fe + H2O =>
3 H2 + Fe2O3 = 2 Fe + 3 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
MgBr2 + Li3N = Mg3N2 + LiBr =>
3 MgBr2 + 2 Li3N = Mg3N2 + 6 LiBr
BeI + CuSO4 = BeSO4 + CuI =>
BeI + CuSO4 = BeSO4 + CuI
AlCl3 + NaOH = Al(OH) + NaCl3 =>
AlCl3 + NaOH = Al(OH) + NaCl3
H3PO4 + NaOH = NaH2PO4 + H2O =>
H3PO4 + NaOH = NaH2PO4 + H2O
HNO3 + K2SIO3 = KNO3 + H2SIO3 =>
2 HNO3 + K2SIO3 = 2 KNO3 + H2SIO3
C = C2 =>
2 C = C2
HCl + Li2SO3 = LiCl + H2O + SO2 =>
2 HCl + Li2SO3 = 2 LiCl + H2O + SO2
K2CO3 + C = CO + K =>
K2CO3 + 2 C = 3 CO + 2 K
Ca(H)2 + H2O = Ca(OH)2 + H2 =>
Ca(H)2 + 2 H2O = Ca(OH)2 + 2 H2
C3H7OH + HCl = C3H7Cl + HOH =>
C3H7OH + HCl = C3H7Cl + HOH
Be + H3PO4 = Be(PO4)2 + H2 =>
Be + 2 H3PO4 = Be(PO4)2 + 3 H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
SO3(g) + H2O(l) = HSO3(aq) + OH(aq) =>
SO3(g) + H2O(l) = HSO3(aq) + OH(aq)
C6H5NO2 + H2 = C6H5NHOH + H2O =>
C6H5NO2 + 2 H2 = C6H5NHOH + H2O
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