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4 La3 + 9 O2 = 6 La2O3
Ce2(SO4)3 + K2S = Ce2S3 + K2SO4 =>
Ce2(SO4)3 + 3 K2S = Ce2S3 + 3 K2SO4
Si + Br = SiBr =>
Si + Br = SiBr
Ca + Na = CaNa2 =>
Ca + 2 Na = CaNa2
(NH3) + Mg = Mg3N2 + H2 =>
2(NH3) + 3 Mg = Mg3N2 + 3 H2
Al + Na2OH + H2O = NaAlO2 + H =>
2 Al + Na2OH + 3 H2O = 2 NaAlO2 + 7 H
HClO4 + H2O = (HClO4)H2O =>
HClO4 + H2O = (HClO4)H2O
Co2O3 = Co + O2 =>
2 Co2O3 = 4 Co + 3 O2
CuSO4{-} + KI = CuI + KSO4{-} =>
CuSO4{-} + KI = CuI + KSO4{-}
BaCl2 + K + CrO4 = BaCrO4 + KCl =>
BaCl2 + 2 K + CrO4 = BaCrO4 + 2 KCl
FeBr3 = Fe + Br2 =>
2 FeBr3 = 2 Fe + 3 Br2
H + NO = H2O + N =>
2 H + NO = H2O + N
Al + PBO2 = Al2O3 + PB =>
4 Al + 3 PBO2 = 2 Al2O3 + 3 PB
U + Te = U2Te3 =>
2 U + 3 Te = U2Te3
Cu(OH)2 + NaCN + OH = Cu(CN)3 + NaOH =>
Cu(OH)2 + 3 NaCN + OH = Cu(CN)3 + 3 NaOH
LiNO3 + H3PO4 = HNO3 + Li3PO4 =>
3 LiNO3 + H3PO4 = 3 HNO3 + Li3PO4
Ag2O3 + H2O = AgO + OH =>
Ag2O3 + H2O = 2 AgO + 2 OH
Pb(Cl2) + KI = PbI2 + KCl =>
Pb(Cl2) + 2 KI = PbI2 + 2 KCl
FeCl3 + K2SO3 + H2O = Fe(OH)3 + KCl + SO2 =>
2 FeCl3 + 3 K2SO3 + 3 H2O = 2 Fe(OH)3 + 6 KCl + 3 SO2
(NH3) + Mg = Mg3N2 + H2 =>
2(NH3) + 3 Mg = Mg3N2 + 3 H2
SO2 + CrO3 = Cr2(SO4)3 =>
3 SO2 + 2 CrO3 = Cr2(SO4)3
N2 = N3 =>
3 N2 = 2 N3
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
BiI3 + KI = KBiI4 =>
BiI3 + KI = KBiI4
SO3 + K2O = K2SO4 =>
SO3 + K2O = K2SO4
Cu + P = CuP =>
Cu + P = CuP
Zn + AICI3 = AI + ZnCI3 =>
Zn + AICI3 = AI + ZnCI3
V2(SO4)5 + Ba(NO3)2 = BaSO4 + V(NO3)5 =>
V2(SO4)5 + 5 Ba(NO3)2 = 5 BaSO4 + 2 V(NO3)5
Fe(OH)3 + CaF2 = Ca(OH)2 + FeF3 =>
2 Fe(OH)3 + 3 CaF2 = 3 Ca(OH)2 + 2 FeF3
C10H20 + O2 = CO + H2O =>
C10H20 + 10 O2 = 10 CO + 10 H2O
Mg(s) + CuSO4(ag) = MgSO4(ag) + Cu(s) =>
Mg(s) + CuSO4(ag) = MgSO4(ag) + Cu(s)
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
CaSO4 + Na3P = Ca3P2 + Na2SO4 =>
3 CaSO4 + 2 Na3P = Ca3P2 + 3 Na2SO4
SO3 + Ba(OH)2 = BaSO4 + H2O =>
SO3 + Ba(OH)2 = BaSO4 + H2O
C2H5COOH + Cu = (C2H5COO)2Cu + H2 =>
2 C2H5COOH + Cu = (C2H5COO)2Cu + H2
CH3COOH = CO + CH3OH =>
CH3COOH = CO + CH3OH
Tl + O2 = Tl2O =>
4 Tl + O2 = 2 Tl2O
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
K2CrO4 = K + Cr + O2 =>
K2CrO4 = 2 K + Cr + 2 O2
PO4 + Ba(OH)2 = BaPO4(OH)2 =>
PO4 + Ba(OH)2 = BaPO4(OH)2
MnO2 + HNO2 = Mn + NO3 + H =>
MnO2 + 2 HNO2 = Mn + 2 NO3 + 2 H
PbS2 = Pb + S8 =>
4 PbS2 = 4 Pb + S8
Al3 + H2SO3 = AlSO3 + H2 =>
Al3 + 3 H2SO3 = 3 AlSO3 + 3 H2
W2Zr2C3O2 = WO3 + ZrC + WC + W =>
3 W2Zr2C3O2 = 2 WO3 + 6 ZrC + 3 WC + W
PbO + S = PbS + O2 =>
2 PbO + 2 S = 2 PbS + O2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
CH3CHO + NH3 = H2NCH(CH3)OH =>
CH3CHO + NH3 = H2NCH(CH3)OH
(CH3COO)2Cu + NaOH = CH3COONa + Cu(OH)2 =>
(CH3COO)2Cu + 2 NaOH = 2 CH3COONa + Cu(OH)2
H2SO4 + Nh4OH = H2O + (Nh4)2SO4 =>
H2SO4 + 2 Nh4OH = 2 H2O + (Nh4)2SO4
ZnSO4 = Zn + SO4 =>
ZnSO4 = Zn + SO4
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