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Fe4O5 + 5 CO = 4 Fe + 5 CO2
Al + (NH4)2SO4 = Al2(SO4)3 + NH3 + H2 =>
2 Al + 3(NH4)2SO4 = Al2(SO4)3 + 6 NH3 + 3 H2
Ca(s) + H3PO4(aq) = Ca(PO4)2 + H2(g) =>
Ca(s) + 2 H3PO4(aq) = Ca(PO4)2 + 3 H2(g)
C6H5COOH + HNO3 = NO2C6H4COOH + H2O =>
C6H5COOH + HNO3 = NO2C6H4COOH + H2O
Cr2O3 + Si + CaO = Cr + CaSiO3 =>
2 Cr2O3 + 3 Si + 3 CaO = 4 Cr + 3 CaSiO3
H2S + O10 = H2O + SO2 =>
10 H2S + 3 O10 = 10 H2O + 10 SO2
C9H18OH + O2 = H2O + CO =>
4 C9H18OH + 35 O2 = 38 H2O + 36 CO
FeSO4(aq) + K2Cr2O7(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + Fe2(SO4)3(aq) + K2SO4(aq) + H2O(l) =>
6 FeSO4(aq) + K2Cr2O7(aq) + 7 H2SO4(aq) = Cr2(SO4)3(aq) + 3 Fe2(SO4)3(aq) + K2SO4(aq) + 7 H2O(l)
Ca2 + O2 = CaO =>
Ca2 + O2 = 2 CaO
OsO2 + H2O = H2OsO3 =>
OsO2 + H2O = H2OsO3
KMnO4 + K2S + H2O = S + MnO2 + K(OH) =>
2 KMnO4 + 3 K2S + 4 H2O = 3 S + 2 MnO2 + 8 K(OH)
ZnO + KOH = Zn(OH)2 + K2O =>
ZnO + 2 KOH = Zn(OH)2 + K2O
MnO4{-} + H2C2O4 + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 H2C2O4 + 6 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
FeS + O4 = Fe2O3 + SO2 =>
8 FeS + 7 O4 = 4 Fe2O3 + 8 SO2
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
NaOH(aq) + CuSO4(aq) = Na2SO4 + Cu(OH)2 =>
2 NaOH(aq) + CuSO4(aq) = Na2SO4 + Cu(OH)2
Cu3(PO4)2 + K2S = K3PO4 + CuS =>
Cu3(PO4)2 + 3 K2S = 2 K3PO4 + 3 CuS
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
Br + CuI = CuBr + I =>
Br + CuI = CuBr + I
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Al(NO3)3 + Na3PO4 = AlPO4 + Na3(NO3)3 =>
Al(NO3)3 + Na3PO4 = AlPO4 + Na3(NO3)3
H2(SO4) = SO3 + H2O =>
H2(SO4) = SO3 + H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
ZnBr2 + H3PO4 = Zn3(PO4)2 + HBr =>
3 ZnBr2 + 2 H3PO4 = Zn3(PO4)2 + 6 HBr
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
CaCO3(s) + H2SO4(aq) = CaSO4(s) + H2O + CO2(g) =>
CaCO3(s) + H2SO4(aq) = CaSO4(s) + H2O + CO2(g)
Ni2Te3 + Zn = Zn2Te + Ni =>
Ni2Te3 + 6 Zn = 3 Zn2Te + 2 Ni
AsCl3 + Ca(OH)2 = As(OH)2 + CaCl3 =>
AsCl3 + Ca(OH)2 = As(OH)2 + CaCl3
GeS2 + O2 = GeO2 + SO2 =>
GeS2 + 3 O2 = GeO2 + 2 SO2
CuCl2(aq) + NH4OH(aq) = CuOH(s) + Cl2NH4(s) =>
CuCl2(aq) + NH4OH(aq) = CuOH(s) + Cl2NH4(s)
O2 + CH2NH2COOH = CO2 + H2O + N2 =>
9 O2 + 4 CH2NH2COOH = 8 CO2 + 10 H2O + 2 N2
NH4Cl + Sn(OH)4 = NH4OH + SnCl4 =>
4 NH4Cl + Sn(OH)4 = 4 NH4OH + SnCl4
ClO4 + H2O = HClO4 + OH =>
ClO4 + H2O = HClO4 + OH
Fe2(SO4)3 + H2S = Fe2S3 + H2SO2 =>
Fe2(SO4)3 + 6 H2S = Fe2S3 + 6 H2SO2
NaI + PbO2 + H2SO4 = I2 + PbSO4 + Na2SO4 + H2O =>
2 NaI + PbO2 + 2 H2SO4 = I2 + PbSO4 + Na2SO4 + 2 H2O
Al2(SO4)3 + KHS = Al2S3 + H2SO4 + K2SO4 =>
2 Al2(SO4)3 + 6 KHS = 2 Al2S3 + 3 H2SO4 + 3 K2SO4
H2MnO4 + Ni = Ni(MnO4) + H2 =>
H2MnO4 + Ni = Ni(MnO4) + H2
NaCl + H2SO4 + MnO2 = NaHSO4 + MnCl2 + H2O + Cl2 =>
4 NaCl + 4 H2SO4 + MnO2 = 4 NaHSO4 + MnCl2 + 2 H2O + Cl2
Si + HCl = SiH4 + Cl =>
Si + 4 HCl = SiH4 + 4 Cl
Al + CO = AlCO =>
Al + CO = AlCO
C(s) + O = CO2(g) =>
C(s) + 2 O = CO2(g)
KI + H2SO4 + H2O2 = H2O + I2 + K2SO4 =>
2 KI + H2SO4 + H2O2 = 2 H2O + I2 + K2SO4
NH4CH3COO + H2O = CH3COOH + NH4OH =>
NH4CH3COO + H2O = CH3COOH + NH4OH
FeO + H2SO4 = Fe2(SO4)3 + SO + H2O =>
4 FeO + 7 H2SO4 = 2 Fe2(SO4)3 + SO + 7 H2O
KO5 + CO2 = K5CO4 + O =>
5 KO5 + CO2 = K5CO4 + 23 O
CuCl2(aq) + AgNO3(aq) = Cu(NO3)2(aq) + AgCl(s) =>
CuCl2(aq) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 AgCl(s)
Al(NO3)3 + Na2SO4 = Al2(SO4)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaNO3
Fe(NO3)3 + K2Cr2O7 = Fe2(Cr2O7)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2Cr2O7 = Fe2(Cr2O7)3 + 6 KNO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
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