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Fe + S = FeS
P4 + O4 = P2O10 =>
P4 + 5 O4 = 2 P2O10
CaCO3 + H = Ca + H2O + CO2 =>
CaCO3 + 2 H = Ca + H2O + CO2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Al2O3 + SiO2 = Al4(SiO4)3 =>
2 Al2O3 + 3 SiO2 = Al4(SiO4)3
Cr2P2O7 + I2 = Cr2O3 + CrP3O9 + PI3 =>
15 Cr2P2O7 + 9 I2 = 11 Cr2O3 + 8 CrP3O9 + 6 PI3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
CH3COOH + (CH3)2CHCH2CH2OH = C7H14O2 + H2O =>
CH3COOH + (CH3)2CHCH2CH2OH = C7H14O2 + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Li + B + C = LiBC =>
Li + B + C = LiBC
Bi(NO3)3 + H2O = Bi(NO3) + HNO3 + O2 =>
2 Bi(NO3)3 + 2 H2O = 2 Bi(NO3) + 4 HNO3 + O2
C4H7ClO + C6H5MgBr = C10H12OBr + MgCl =>
C4H7ClO + C6H5MgBr = C10H12OBr + MgCl
CaO + H(OH) = Ca(OH)2 =>
CaO + H(OH) = Ca(OH)2
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
N2O3 + Sr(OH)2 = SrO + N(OH)3 =>
N2O3 + 3 Sr(OH)2 = 3 SrO + 2 N(OH)3
C4H8Cl2 + Na2 = C8H16Cl2 + NaCl =>
2 C4H8Cl2 + Na2 = C8H16Cl2 + 2 NaCl
MgCO3(s) + H2SO4(aq) = H2CO3(aq) + MgSO4(aq) =>
MgCO3(s) + H2SO4(aq) = H2CO3(aq) + MgSO4(aq)
Li2O + HCl = LiCl + HOH =>
Li2O + 2 HCl = 2 LiCl + HOH
I2 + Na2S2O3 = Na2S4O6 + NaI =>
I2 + 2 Na2S2O3 = Na2S4O6 + 2 NaI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HNO3 + HCl + Sb2S5 = SbCl5 + S + NO + H2O =>
10 HNO3 + 30 HCl + 3 Sb2S5 = 6 SbCl5 + 15 S + 10 NO + 20 H2O
PClO4 = PCl + O2 =>
PClO4 = PCl + 2 O2
BaCl2 + (NH4)2SO4 = BaSO4 + NH4 + Cl =>
BaCl2 + (NH4)2SO4 = BaSO4 + 2 NH4 + 2 Cl
Na2C2O4 + SO2Cl2 = C2O2Cl2 + Na2SO4 =>
Na2C2O4 + SO2Cl2 = C2O2Cl2 + Na2SO4
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CH3NaO + H3PO4 = CH3OH + Na3PO4 =>
3 CH3NaO + H3PO4 = 3 CH3OH + Na3PO4
C8H8O2 + NaOH = C7H5NaO2 + CH3OH =>
C8H8O2 + NaOH = C7H5NaO2 + CH3OH
MnSO4 + NaBiO3 + HNO3 = MnO2 + Bi(NO3)3 + Na2SO4 + H2O + Bi2(SO4)3 =>
6 MnSO4 + 6 NaBiO3 + 12 HNO3 = 6 MnO2 + 4 Bi(NO3)3 + 3 Na2SO4 + 6 H2O + Bi2(SO4)3
Ca(s) + HCl(aq) = H2 + CaCl =>
2 Ca(s) + 2 HCl(aq) = H2 + 2 CaCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
KMnO4 + H2SO4 + KNO2 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 3 H2SO4 + 5 KNO2 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
FeCl3 + NH3 = Cl3N + FeH3 =>
FeCl3 + NH3 = Cl3N + FeH3
H3PO4 + (NH4)2MoO4 + HNO3 = (NH4)3PO4*12MoO3 + NH4NO3 + H2O =>
H3PO4 + 12(NH4)2MoO4 + 21 HNO3 = (NH4)3PO4*12MoO3 + 21 NH4NO3 + 12 H2O
Li2O + H2SO3 = Li2SO3 + H2O =>
Li2O + H2SO3 = Li2SO3 + H2O
Br + CaI = CaBr + I =>
Br + CaI = CaBr + I
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
SO2 + MgO + O2 = MgSO4 =>
2 SO2 + 2 MgO + O2 = 2 MgSO4
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
CrCI3 + H2SO4 = CO2 + Cr2(SO4)3 + H2O + HIO3 + SO2 =>
2 CrCI3 + 25 H2SO4 = 2 CO2 + Cr2(SO4)3 + 22 H2O + 6 HIO3 + 22 SO2
C6H6 + O2 = H6 + C6O2 =>
C6H6 + O2 = H6 + C6O2
CaSO4 + KO = CaO + KSO4 =>
CaSO4 + KO = CaO + KSO4
H2 + C2 = C2H4 =>
2 H2 + C2 = C2H4
C2H2 + KMnO4 = CMnO4 + HK =>
C2H2 + 2 KMnO4 = 2 CMnO4 + 2 HK
Cl2 + NaBr03 = NaCl03 + Br2 =>
3 Cl2 + 2 NaBr03 = 2 NaCl03 + 3 Br2
Ag + O2 = (Ag2O) =>
4 Ag + O2 = 2(Ag2O)
Al(CO3)3 = Al + CO3 =>
Al(CO3)3 = Al + 3 CO3
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