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Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Fe(CrO2)2 + NaHCO3 + O2 = Fe2O3 + CO2 + Na2CrO4 + H2O =>
4 Fe(CrO2)2 + 16 NaHCO3 + 7 O2 = 2 Fe2O3 + 16 CO2 + 8 Na2CrO4 + 8 H2O
P2S3 + HNO3 + H2O = H3PO4 + NO + H2SO4 =>
3 P2S3 + 28 HNO3 + 4 H2O = 6 H3PO4 + 28 NO + 9 H2SO4
Mg3P2 + H2O = PH3 + Mg(OH)2 =>
Mg3P2 + 6 H2O = 2 PH3 + 3 Mg(OH)2
CaI2 + NaOH = Ca(OH)2 + NaI =>
CaI2 + 2 NaOH = Ca(OH)2 + 2 NaI
HgO = Hg + O2HgO = Hg + O2 =>
3 HgO = 2 Hg + O2HgO
KMnO4 + NaHSO3 + NaOH = K2MnO4 + Na2MnO4 + NaHSO4 + H2O =>
2 KMnO4 + NaHSO3 + 2 NaOH = K2MnO4 + Na2MnO4 + NaHSO4 + H2O
Sn + CoSO4 = SnSO4 + Co =>
Sn + CoSO4 = SnSO4 + Co
Ca3(PO4)2 + SiO2 + C = P + Ca2SiO4 + CO2 =>
2 Ca3(PO4)2 + 3 SiO2 + 5 C = 4 P + 3 Ca2SiO4 + 5 CO2
C8H11N + HNO3 = CO2 + H2O + N2 =>
5 C8H11N + 43 HNO3 = 40 CO2 + 49 H2O + 24 N2
KaPH + NaOH = KaNaP + H2O =>
KaPH + NaOH = KaNaP + H2O
Cl(aq) + KBr(aq) = KCl(aq) + Br(aq) =>
Cl(aq) + KBr(aq) = KCl(aq) + Br(aq)
P + Fe = Fe3P2 =>
2 P + 3 Fe = Fe3P2
Co(OH)2 + HCl = CoCl2 + H2O =>
Co(OH)2 + 2 HCl = CoCl2 + 2 H2O
CsNO2 + CaBr2 = Ca(NO2)2 + CsBr =>
2 CsNO2 + CaBr2 = Ca(NO2)2 + 2 CsBr
Cl*7 + O2 = Cl2O7 =>
4 Cl*7 + 7 O2 = 2 Cl2O7
Ag + NaCl + H2O = NaOH + AgCl + H2 =>
2 Ag + 2 NaCl + 2 H2O = 2 NaOH + 2 AgCl + H2
AgNO3() + NaOH() = AgOH() + NaNO3() =>
AgNO3() + NaOH() = AgOH() + NaNO3()
Ca(OH)2 + HCl = CaOHCl + H2O =>
Ca(OH)2 + HCl = CaOHCl + H2O
NaHC(O)3 = (Na)2C(O)3(H)2OC(O)2 =>
2 NaHC(O)3 = (Na)2C(O)3(H)2OC(O)2
MnO2 + KOH + O2 = K2MnO4 + H2O =>
2 MnO2 + 4 KOH + O2 = 2 K2MnO4 + 2 H2O
NH2CH2CH2NH2 = H + NHCH2CH2NH2 =>
NH2CH2CH2NH2 = H + NHCH2CH2NH2
NaClO3 + H2SO4 + Zn = Cl2 + ZnSO4 + Na2SO4 + H2O =>
2 NaClO3 + 6 H2SO4 + 5 Zn = Cl2 + 5 ZnSO4 + Na2SO4 + 6 H2O
Zr + O2 = Zr2O =>
4 Zr + O2 = 2 Zr2O
K2Cr2O7 + Na2SO3 = Cr2SO3 + K2Na2O7 =>
K2Cr2O7 + Na2SO3 = Cr2SO3 + K2Na2O7
B2O3 + H2 = B6H12 + O2 =>
6 B2O3 + 12 H2 = 2 B6H12 + 9 O2
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Al + NaOH = AlNa(OH) =>
Al + NaOH = AlNa(OH)
Fe(CrO2)2 + NaHCO3 + O2 = Fe2O3 + CO2 + Na2CrO4 + H2O =>
4 Fe(CrO2)2 + 16 NaHCO3 + 7 O2 = 2 Fe2O3 + 16 CO2 + 8 Na2CrO4 + 8 H2O
K + Co2 = K2Co3 =>
4 K + 3 Co2 = 2 K2Co3
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Pb + HNO3 + HCl = NOCl + PbCl2 + H2O =>
Pb + HNO3 + 3 HCl = NOCl + PbCl2 + 2 H2O
As(OH)3 + NaOH = [As(OH)4]Na =>
As(OH)3 + NaOH = [As(OH)4]Na
[Cu(NH3)4]SO4 + HNO3 = Cu(NO3)2 + (NH4)2SO4 + NH3 =>
[Cu(NH3)4]SO4 + 2 HNO3 = Cu(NO3)2 + (NH4)2SO4 + 2 NH3
CaCl2 + LiCo3 = CaCo3 + LiCl2 =>
CaCl2 + LiCo3 = CaCo3 + LiCl2
Sr(NO3)2 + Al2(SO4)3 = Al(NO3)3 + Sr(SO4) =>
3 Sr(NO3)2 + Al2(SO4)3 = 2 Al(NO3)3 + 3 Sr(SO4)
Al2S3 + KOH = Al(OH)3 + K2S =>
Al2S3 + 6 KOH = 2 Al(OH)3 + 3 K2S
CH3OH + CuO = Cu + H2O + COH =>
2 CH3OH + 3 CuO = 3 Cu + 3 H2O + 2 COH
CU + O = CUO =>
CU + O = CUO
Zn + MnO2 + H{+} = Mn2O3 + Zn{+2} + H2O =>
Zn + 2 MnO2 + 2 H{+} = Mn2O3 + Zn{+2} + H2O
Cl2 + CuBr = ClBr2 + Cu =>
Cl2 + 4 CuBr = 2 ClBr2 + 4 Cu
Na2SO4 + Sr(NO3)2 = Na(NO3) + SrSO4 =>
Na2SO4 + Sr(NO3)2 = 2 Na(NO3) + SrSO4
I2 + HNO3 = NO + H2O + HIO3 =>
3 I2 + 10 HNO3 = 10 NO + 2 H2O + 6 HIO3
Na2S2O3 + HCl = NaCl + HSO4 + S + H2O =>
7 Na2S2O3 + 14 HCl = 14 NaCl + 4 HSO4 + 10 S + 5 H2O
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
PbCl2 + K2CrO4 = PbCrO4 + ClK =>
PbCl2 + K2CrO4 = PbCrO4 + 2 ClK
HCl + CaO = ClCa + OH =>
HCl + CaO = ClCa + OH
H3O + HS = H2O + H2S =>
H3O + HS = H2O + H2S
MnO2 + Al2 = Mn + AlO2 =>
2 MnO2 + Al2 = 2 Mn + 2 AlO2
C7H6O2 + O2 = CO2 + H2 =>
C7H6O2 + 6 O2 = 7 CO2 + 3 H2
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