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34 O = O34
Ca(HS)2 = H2S + CaS =>
Ca(HS)2 = H2S + CaS
BaO + KOH = Ba(OH)2 + K2O =>
BaO + 2 KOH = Ba(OH)2 + K2O
Cu2SO4(aq) + K(s) = Cu(s) + K2SO4(aq) =>
Cu2SO4(aq) + 2 K(s) = 2 Cu(s) + K2SO4(aq)
Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3
Zn(s) + H2O(l) = Zn(OH)2(aq) + H2(g) =>
Zn(s) + 2 H2O(l) = Zn(OH)2(aq) + H2(g)
HCOOH + Cu2O = HCOOCu + H2O =>
2 HCOOH + Cu2O = 2 HCOOCu + H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
Mn(NO3)2 + NH4OH = Mn(OH)2 + NH4(NO3) =>
Mn(NO3)2 + 2 NH4OH = Mn(OH)2 + 2 NH4(NO3)
Na3PO4 + BaO = Na2O + Ba3(PO4)2 =>
2 Na3PO4 + 3 BaO = 3 Na2O + Ba3(PO4)2
NaI + HBr + NaNO3 = I2 + NO + H2O + NaBr =>
6 NaI + 8 HBr + 2 NaNO3 = 3 I2 + 2 NO + 4 H2O + 8 NaBr
Al2(SO4)3 + KBr = Al(Br)3 + K2SO4 =>
Al2(SO4)3 + 6 KBr = 2 Al(Br)3 + 3 K2SO4
AlCl3 + H2 = Al + HCl =>
2 AlCl3 + 3 H2 = 2 Al + 6 HCl
C2 + H2 = C2H6 =>
C2 + 3 H2 = C2H6
CH3CHBrCH2Br = Br2 + CH3CHCH2 =>
CH3CHBrCH2Br = Br2 + CH3CHCH2
Al3 + NaOH + H2O = Na(Al(OH)4) + H2 =>
2 Al3 + 6 NaOH + 18 H2O = 6 Na(Al(OH)4) + 9 H2
Na[Al(OH)4]HBr = NaBrAl(OH)3H2O =>
Na[Al(OH)4]HBr = NaBrAl(OH)3H2O
H2C = CH2 = H2{+} =>
H2C = CH2
(NH4)2SO4 + Ba(NO3)2 = NH4NO3 + Ba2(SO4)2 =>
2(NH4)2SO4 + 2 Ba(NO3)2 = 4 NH4NO3 + Ba2(SO4)2
HBr + KBrO3 = KBr + Br2 + H2O =>
6 HBr + KBrO3 = KBr + 3 Br2 + 3 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Co + HBrO3 = Co(BrO3)2 + H2 =>
Co + 2 HBrO3 = Co(BrO3)2 + H2
K2SO4 + H2O = K2(SO4)H2O =>
K2SO4 + H2O = K2(SO4)H2O
KCl + CuCl = K + CuCl2 =>
KCl + CuCl = K + CuCl2
H2S + HCeO3 = S + HCe + H2O =>
3 H2S + HCeO3 = 3 S + HCe + 3 H2O
NH4Cl(s) + Mg(OH)2 = NH4OH(s) + MgCl2(s) =>
2 NH4Cl(s) + Mg(OH)2 = 2 NH4OH(s) + MgCl2(s)
FeCl + KS = KCl + FeS =>
FeCl + KS = KCl + FeS
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
C2 + H2 = C6H6 =>
3 C2 + 3 H2 = C6H6
Cr2Se3 = Cr + Se =>
Cr2Se3 = 2 Cr + 3 Se
Mn(NO3)2 + NH4(OH) = Mn(OH)2 + NH4(NO3) =>
Mn(NO3)2 + 2 NH4(OH) = Mn(OH)2 + 2 NH4(NO3)
KCl + H2CrO4 + NaOH = H2O + K2Cr2O7 + NaCl =>
2 KCl + 2 H2CrO4 + 2 NaOH = 3 H2O + K2Cr2O7 + 2 NaCl
Ba{+2} + PO4{-3} = Ba3(PO4)2 =>
3 Ba{+2} + 2 PO4{-3} = Ba3(PO4)2
C6H12O6 + Ag2O = C6H12O7 + Ag =>
C6H12O6 + Ag2O = C6H12O7 + 2 Ag
BaCI2 + H2SO4 = BaSO4 + H2CI2 =>
BaCI2 + H2SO4 = BaSO4 + H2CI2
C3H4 + Cl2 = C3H4Cl1 =>
2 C3H4 + Cl2 = 2 C3H4Cl1
H + O = H2O =>
2 H + O = H2O
Sj + O = SjO2 =>
Sj + 2 O = SjO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NaI + CaCl2 = NaCl + CaI2 =>
2 NaI + CaCl2 = 2 NaCl + CaI2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NaI + CaCl2 = NaCl + CaI2 =>
2 NaI + CaCl2 = 2 NaCl + CaI2
CoFe2O4 + HNO3 = Co(NO3)2 + Fe(NO3)3 + H2O =>
CoFe2O4 + 8 HNO3 = Co(NO3)2 + 2 Fe(NO3)3 + 4 H2O
(NH4)2Fe(SO4)2 + NaOH = Fe(OH)2 + Na2SO4 + (NH4)2SO4 =>
(NH4)2Fe(SO4)2 + 2 NaOH = Fe(OH)2 + Na2SO4 + (NH4)2SO4
Sj + O = SjO2 =>
Sj + 2 O = SjO2
Br2CCl4 + C2H2 = C3Br2Cl4H2 =>
Br2CCl4 + C2H2 = C3Br2Cl4H2
HNO3 + Ga(OH)3 = Ga(NO3)3 + H2O =>
3 HNO3 + Ga(OH)3 = Ga(NO3)3 + 3 H2O
(NH4)2(SO4) + HCl = NH4Cl + H2SO4 =>
(NH4)2(SO4) + 2 HCl = 2 NH4Cl + H2SO4
HI + KHCO3 = KI + CO2 + H2O =>
HI + KHCO3 = KI + CO2 + H2O
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