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2 Cu + O2 = 2 CuO
BH3 + O2 = B2O3 + H2O =>
2 BH3 + 3 O2 = B2O3 + 3 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ag + SnCl2 = AgCl + Sn =>
2 Ag + SnCl2 = 2 AgCl + Sn
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2 =>
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2
Fe2(SO4)3 + LiOH = Fe2OH + Li(SO4)3 =>
Fe2(SO4)3 + LiOH = Fe2OH + Li(SO4)3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
MnO2 + NaOH + H2O = Na4[Mn(OH)8] =>
MnO2 + 4 NaOH + 2 H2O = Na4[Mn(OH)8]
K4[Fe(CN)6] + KMnO4 + H2SO4 = K3[Fe(CN)6] + MnSO4 + KSO4 + H2O =>
2 K4[Fe(CN)6] + KMnO4 + 4 H2SO4 = 2 K3[Fe(CN)6] + MnSO4 + 3 KSO4 + 4 H2O
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NH3 + Ca = Ca(NH2)2 + H2 =>
2 NH3 + Ca = Ca(NH2)2 + H2
NaHg + NH4Cl = Hg + H2 + NaCl + N2 =>
2 NaHg + 2 NH4Cl = 2 Hg + 4 H2 + 2 NaCl + N2
Co(ClO3)2 + Ba(NO3)2 = Ba(ClO3)2 + Co(NO3)2 =>
Co(ClO3)2 + Ba(NO3)2 = Ba(ClO3)2 + Co(NO3)2
Al + PbSO4 = Al2(SO4)3 + Pb =>
2 Al + 3 PbSO4 = Al2(SO4)3 + 3 Pb
Li(s) + F2(g) = LiF(aq) =>
2 Li(s) + F2(g) = 2 LiF(aq)
K + C2H6O = KC2H5O + H2 =>
2 K + 2 C2H6O = 2 KC2H5O + H2
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
C7H6O3 + CH3O = C8H8O3 + H2O =>
6 C7H6O3 + 14 CH3O = 7 C8H8O3 + 11 H2O
CaO + Al2O3 + SiO2 = CaAl2Si4O12 =>
CaO + Al2O3 + 4 SiO2 = CaAl2Si4O12
H2O + SO2 = H2 + SO3 =>
H2O + SO2 = H2 + SO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H12(l) + O2(g) = H2O + CO2 =>
C6H12(l) + 9 O2(g) = 6 H2O + 6 CO2
H2C2O4 + KMnO4 = CO7 + K2O + MnO3 + H2O =>
H2C2O4 + 22 KMnO4 = 2 CO7 + 11 K2O + 22 MnO3 + H2O
FeS + HCl = H2S + FeCl2 =>
FeS + 2 HCl = H2S + FeCl2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnS04 + HNO3 + CO2 + HOH =>
62 K4Fe(CN)6 + 122 KMnO4 + 951 H2SO4 = 370 KHSO4 + 31 Fe2(SO4)3 + 122 MnS04 + 372 HNO3 + 372 CO2 + 580 HOH
Cr(NO3)3 + NaOH + Br2 = NaBr + NaNO3 + Na2CrO4 + H2O =>
2 Cr(NO3)3 + 16 NaOH + 3 Br2 = 6 NaBr + 6 NaNO3 + 2 Na2CrO4 + 8 H2O
C10H15NO + HCl = C10H15N + H2O + Cl2 =>
C10H15NO + 2 HCl = C10H15N + H2O + Cl2
Nb + O2 = Nb2O5 =>
4 Nb + 5 O2 = 2 Nb2O5
FeCl3 + KI = FeCl2 + I2 + KCl =>
2 FeCl3 + 2 KI = 2 FeCl2 + I2 + 2 KCl
F2 + FeI3 = I2 + FeF3 =>
3 F2 + 2 FeI3 = 3 I2 + 2 FeF3
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
CsOH + HNO3 = CsNO3 + H2O =>
CsOH + HNO3 = CsNO3 + H2O
Al + Cu(SO4) = Cu + Al2(SO4)3 =>
2 Al + 3 Cu(SO4) = 3 Cu + Al2(SO4)3
Mg + HNO3 = Mg(NO3)3 + NH4NO3 + H2O =>
8 Mg + 30 HNO3 = 8 Mg(NO3)3 + 3 NH4NO3 + 9 H2O
C24H30N3O + O2 = CO2 + H2O + NO3 =>
2 C24H30N3O + 71 O2 = 48 CO2 + 30 H2O + 6 NO3
ZnO + SO2 = ZnSO + O2 =>
ZnO + SO2 = ZnSO + O2
Co(H2O)6{+2} + Cl{-} = CoCl4{2-} + H2O =>
Co(H2O)6{+2} + 4 Cl{-} = CoCl4{2-} + 6 H2O
MgCO3(s) + HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g) =>
MgCO3(s) + 2 HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g)
C7H12O2 + O3 = C + H2O =>
3 C7H12O2 + 4 O3 = 21 C + 18 H2O
Fe + Cr(NO3)3 = FeNO3 + Cr =>
3 Fe + Cr(NO3)3 = 3 FeNO3 + Cr
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
Li2O(s) + HCl(aq) = LiCl(s) + H2O(l) =>
Li2O(s) + 2 HCl(aq) = 2 LiCl(s) + H2O(l)
FeS2 + Cl2 = FeCl + SCl2 =>
2 FeS2 + 5 Cl2 = 2 FeCl + 4 SCl2
KOH + NH4 + SO4 = KSO4 + NH3 + H2O =>
KOH + NH4 + SO4 = KSO4 + NH3 + H2O
ZnO + MgCl2 = ZnCl2 + MgO =>
ZnO + MgCl2 = ZnCl2 + MgO
H2S + BaDix2 = BaS + HDix =>
H2S + BaDix2 = BaS + 2 HDix
Phosphoricacid = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
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