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Fe3O4 + 4 CO = 3 Fe + 4 CO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
N2O + O2 = NO2 =>
2 N2O + 3 O2 = 4 NO2
Ba + P = Ba3P2 =>
3 Ba + 2 P = Ba3P2
NH3 + Li + C10H15NO = LiNH2 + H2O + C10H15N =>
2 NH3 + 2 Li + C10H15NO = 2 LiNH2 + H2O + C10H15N
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
CuSO4 + H2O + Fe = H2SO4 + Cu + Fe2O4 =>
4 CuSO4 + 4 H2O + 2 Fe = 4 H2SO4 + 4 Cu + Fe2O4
CuSO4 + H2O + Fe = H2SO4 + Cu + Fe2O3 =>
3 CuSO4 + 3 H2O + 2 Fe = 3 H2SO4 + 3 Cu + Fe2O3
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
Fe + CaCO3 = FeCO3 + Ca =>
Fe + CaCO3 = FeCO3 + Ca
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
Mg(oh)2 + H2SO4 = MgHSO4 + H20 =>
10 Mg(oh)2 + 20 H2SO4 = 20 MgHSO4 + H20
I2 + Na2SO3 + H2O = HI + Na2SO4 =>
I2 + Na2SO3 + H2O = 2 HI + Na2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)4 + KCr(SO4)2 + H2O =>
6 FeSO4 + 2 K2Cr2O7 + 14 H2SO4 = 3 Fe2(SO4)4 + 4 KCr(SO4)2 + 14 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
HCl + CA = H2 + CACl2 =>
2 HCl + CA = H2 + CACl2
P + O = P4O10 =>
4 P + 10 O = P4O10
NH3 + CuO = N2 + Cu2 + H2O =>
4 NH3 + 6 CuO = 2 N2 + 3 Cu2 + 6 H2O
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
(NH4)2So4 + KOH = K2So4 + NH3 + H2O =>
(NH4)2So4 + 2 KOH = K2So4 + 2 NH3 + 2 H2O
Fe + CuCl2 = Cu + FeCl2 =>
Fe + CuCl2 = Cu + FeCl2
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
CH3COOH + KOH = CH3COOK + H2O =>
CH3COOH + KOH = CH3COOK + H2O
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
HNO3 = H + NO3 =>
HNO3 = H + NO3
K2MnO4 + K2S + H2SO4 = K2SO4 + MnSO4 + H2O =>
2 K2MnO4 + K2S + 4 H2SO4 = 3 K2SO4 + 2 MnSO4 + 4 H2O
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO + H2O =>
3 Cu2S + 22 HNO3 = 6 Cu(NO3)2 + 3 H2SO4 + 10 NO + 8 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
CH3COOH + Na = CH3COONa + H2 =>
2 CH3COOH + 2 Na = 2 CH3COONa + H2
H2O + Na = Na(OH) + H2 =>
2 H2O + 2 Na = 2 Na(OH) + H2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
I2 + NaOH + Na2SO3 = NaI + Na2SO4 + H2O =>
I2 + 2 NaOH + Na2SO3 = 2 NaI + Na2SO4 + H2O
SO2 + O2 + H20 = H2SO4 =>
10 SO2 + 10 O2 + H20 = 10 H2SO4
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
SO2 + O2 + H20 = H2SO4 =>
10 SO2 + 10 O2 + H20 = 10 H2SO4
(CH3COO)2Ca = CH3COCH3 + CaCO3 =>
(CH3COO)2Ca = CH3COCH3 + CaCO3
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CH3COOH + NH4OH = CH3COONH4 + H2O =>
CH3COOH + NH4OH = CH3COONH4 + H2O
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
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