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K2S + 2 HCl = 2 KCl + H2S
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
Fe(NO3)3 + KSCN + (NH4)2C2O4 = Fe2(C2O4)3 + KNO3 + NH4SCN =>
2 Fe(NO3)3 + 6 KSCN + 3(NH4)2C2O4 = Fe2(C2O4)3 + 6 KNO3 + 6 NH4SCN
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
NaOH + CO2 = H2O + Na2CO3 =>
2 NaOH + CO2 = H2O + Na2CO3
SbCl3 + H2 = Sb + HCl =>
2 SbCl3 + 3 H2 = 2 Sb + 6 HCl
SIC + Cl2 = SICl4 + C =>
SIC + 2 Cl2 = SICl4 + C
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C + H2 = CH4 =>
C + 2 H2 = CH4
CH3OH + H3PO4 = H2O + CH3OPO(OH)2 =>
CH3OH + H3PO4 = H2O + CH3OPO(OH)2
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
K3N + CaO = K2O + Ca3N2 =>
2 K3N + 3 CaO = 3 K2O + Ca3N2
KBrO3 + KI + H2SO4 = KBr + KSO4 + I2 + H2O =>
2 KBrO3 + 6 KI + 6 H2SO4 = 2 KBr + 6 KSO4 + 3 I2 + 6 H2O
Al(OH)3 + HCl = H2O + AlClH2O2 =>
Al(OH)3 + HCl = H2O + AlClH2O2
Zn(s) + CuSO4(aq) = ZnSO4(aq) + Cu(s) =>
Zn(s) + CuSO4(aq) = ZnSO4(aq) + Cu(s)
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
Na3[Ag(S2O3)2] + H2O = Ag2S + Na2S + H2SO4 =>
2 Na3[Ag(S2O3)2] + 4 H2O = Ag2S + 3 Na2S + 4 H2SO4
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
Cu(s) + AgNo3(aq) = Cu(No3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNo3(aq) = Cu(No3)2(aq) + 2 Ag(s)
K2Cr2O7 + CrCl2 + HCl = KCl + CrCl3 + H2O =>
K2Cr2O7 + 6 CrCl2 + 14 HCl = 2 KCl + 8 CrCl3 + 7 H2O
Re2O3 + H2O2 = HReO4 + H2O =>
Re2O3 + 4 H2O2 = 2 HReO4 + 3 H2O
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
Cu + H2SO4 = CuS + O2 + H2O =>
2 Cu + 2 H2SO4 = 2 CuS + 3 O2 + 2 H2O
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O
H3Po4 + CaOH = H3OH + CaPo4 =>
H3Po4 + CaOH = H3OH + CaPo4
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Li + MnO2 = MnLi2 + O2 =>
2 Li + MnO2 = MnLi2 + O2
zinc + O2 = zincoxide =>
2 Zn + O2 = 2 ZnO
HCOOCH2CH3 + CH3CH2CH2OH = HCOOH + CH3CH2CH2OCH2CH3 =>
HCOOCH2CH3 + CH3CH2CH2OH = HCOOH + CH3CH2CH2OCH2CH3
Sn2Cl2 + NaS2 = NaCl2 + Sn2S2 =>
Sn2Cl2 + NaS2 = NaCl2 + Sn2S2
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
Cr + IO4 = CrO4 + I =>
Cr + IO4 = CrO4 + I
N2H4O3 = N2O + H2O =>
N2H4O3 = N2O + 2 H2O
Al + KClO4 = Al2O3 + KCl =>
8 Al + 3 KClO4 = 4 Al2O3 + 3 KCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C4H8O2 + NaOH = C2H5OH + NaC2H3O2 =>
C4H8O2 + NaOH = C2H5OH + NaC2H3O2
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Co2 + Ca(OH)2 = CaCo3 + OH =>
3 Co2 + 2 Ca(OH)2 = 2 CaCo3 + 4 OH
Zn(s) + Sn(NO3)4(aq) = Zn(NO3)2(aq) + Sn(s) =>
2 Zn(s) + Sn(NO3)4(aq) = 2 Zn(NO3)2(aq) + Sn(s)
BaCl2 + Na(SO4) = Ba2(SO4)2 + NaCl2 =>
2 BaCl2 + 2 Na(SO4) = Ba2(SO4)2 + 2 NaCl2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaHCO3 + KOH = NaOH + KHCO3 =>
NaHCO3 + KOH = NaOH + KHCO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Br2 + KI = KI(Br)2 =>
Br2 + KI = KI(Br)2
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