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4 FeSO4 + 3 O2 = 2 Fe2O3 + 4 SO4
CH3COOH + F2 = HF + CO =>
CH3COOH + 2 F2 = 4 HF + 2 CO
SnO2 + KOH + H2O = K2Sn(OH)6 =>
SnO2 + 2 KOH + 2 H2O = K2Sn(OH)6
Ba(NO3)2 + Na2SO4 = BaSO4 + Na(NO3) =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 Na(NO3)
(NH4)2CO3 + HCl = H2CO3 + (NH4)Cl =>
(NH4)2CO3 + 2 HCl = H2CO3 + 2(NH4)Cl
O5O = O =>
O5O = 6 O
COCl2CH3OH = HClClCOOCH3 =>
COCl2CH3OH = HClClCOOCH3
C6H7N3O11 + O2(g) = CO2(g) + N2(g) + H2O(l) =>
4 C6H7N3O11 + 9 O2(g) = 24 CO2(g) + 6 N2(g) + 14 H2O(l)
Na3Po4 + CaCl2 = Ca3(Po4)2 + NaCl =>
2 Na3Po4 + 3 CaCl2 = Ca3(Po4)2 + 6 NaCl
Zn(s) + AlCl3(aq) = Al(s) + ZnCl2 =>
3 Zn(s) + 2 AlCl3(aq) = 2 Al(s) + 3 ZnCl2
Fe(SO4)(aq) + Ag(NO3)(aq) = Fe(NO3)2 + Ag2(SO4) =>
Fe(SO4)(aq) + 2 Ag(NO3)(aq) = Fe(NO3)2 + Ag2(SO4)
O2 + C6H12O2 = H2O + CO2 =>
8 O2 + C6H12O2 = 6 H2O + 6 CO2
H3PO4 + Cu(OH)3 = Cu(PO4) + H2O =>
H3PO4 + Cu(OH)3 = Cu(PO4) + 3 H2O
C*H3*C*H3 + O2 = C*O2 + H2*O =>
2 C*H3*C*H3 + 7 O2 = 4 C*O2 + 6 H2*O
Pa(s) + ZnSO4(aq) = PaSO4(aq) + Zn =>
Pa(s) + ZnSO4(aq) = PaSO4(aq) + Zn
C8H18(g) + O2(g) = CO2(g) + H2O =>
2 C8H18(g) + 25 O2(g) = 16 CO2(g) + 18 H2O
Cl + Hg(NO3)2 = HgCl + NO3 =>
Cl + Hg(NO3)2 = HgCl + 2 NO3
CH3COOH + KMnO4 = CH3COO + H2O + MnO2 + K =>
4 CH3COOH + KMnO4 = 4 CH3COO + 2 H2O + MnO2 + K
CH3OHCuO = HCHOH2OCu =>
CH3OHCuO = HCHOH2OCu
FeS + KOH = Fe(OH)2 + K2S =>
FeS + 2 KOH = Fe(OH)2 + K2S
NaO3 + SO2 + H2O = NaHSO4 + H2SO4 =>
2 NaO3 + 5 SO2 + 4 H2O = 2 NaHSO4 + 3 H2SO4
Al(NO3)3*9H2O = Al2O2 + NO2 + O2 + H2O =>
2 Al(NO3)3*9H2O = Al2O2 + 6 NO2 + 2 O2 + 18 H2O
MgO + HCOOH = MgO(HCOO)2 + H2 =>
MgO + 2 HCOOH = MgO(HCOO)2 + H2
NaOH + H3PO4 = Na2PHO4 + H2O =>
2 NaOH + H3PO4 = Na2PHO4 + 2 H2O
[CH3NH3]HCO3 = CH3NH2H2O + CO2 =>
[CH3NH3]HCO3 = CH3NH2H2O + CO2
Mg + H2O = Mg(OH)2 + H2(c) =>
Mg + 2 H2O = Mg(OH)2 + H2(c)
XC3H5 + KMnO4 + H2O = XCOOH + CH3COOH + MnO2 + KOH =>
3 XC3H5 + 8 KMnO4 + 4 H2O = 3 XCOOH + 3 CH3COOH + 8 MnO2 + 8 KOH
AgCl + NaCl = NaAgCl2 =>
AgCl + NaCl = NaAgCl2
MnPO3 + CsIO3 = Mn(IO3)3 + Cs3PO3 =>
MnPO3 + 3 CsIO3 = Mn(IO3)3 + Cs3PO3
Sr(s) + HCl(aq) = H2(g) + SrCl2(aq) =>
Sr(s) + 2 HCl(aq) = H2(g) + SrCl2(aq)
CuO + H2SO4 = CuS2 + O4 + H2O =>
4 CuO + 8 H2SO4 = 4 CuS2 + 7 O4 + 8 H2O
BaO2 + H2CO3 = BaCO3 + H2O + O2 =>
2 BaO2 + 2 H2CO3 = 2 BaCO3 + 2 H2O + O2
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
CH2CHCO2H = C2H2 + CO2 + H2O =>
5 CH2CHCO2H = 6 C2H2 + 3 CO2 + 4 H2O
NH3 + O2 = N3O2 + H2O =>
12 NH3 + 13 O2 = 4 N3O2 + 18 H2O
Ca(s) + H2O(l) = Ca(s)O(l) + H2 =>
Ca(s) + H2O(l) = Ca(s)O(l) + H2
HNO3 + NaHCO3 = NaNO3 + CO2H2O =>
HNO3 + NaHCO3 = NaNO3 + CO2H2O
CH3COOH + NH3 = H2O + CH3CONH2 =>
CH3COOH + NH3 = H2O + CH3CONH2
H{+} + FeHPO3 + Cr2O7{2-} = Cr{3+} + H3PO4 + Fe{3+} + H2O =>
14 H{+} + 2 FeHPO3 + Cr2O7{2-} = 2 Cr{3+} + 2 H3PO4 + 2 Fe{3+} + 5 H2O
HC2H3O2 + Zn = H2O + ZnC =>
HC2H3O2 + 2 Zn = 2 H2O + 2 ZnC
(NH4)2S + NaOH = Na2S + NH3 + H2O =>
(NH4)2S + 2 NaOH = Na2S + 2 NH3 + 2 H2O
SrCl2 + (NH4)2SO4 = Sr2(SO4)2 + NH4Cl =>
2 SrCl2 + 2(NH4)2SO4 = Sr2(SO4)2 + 4 NH4Cl
PtS2 + O2 = Pt2O3 + SO2 =>
4 PtS2 + 11 O2 = 2 Pt2O3 + 8 SO2
BaO + H2SO4 = BaOH2SO4 =>
BaO + H2SO4 = BaOH2SO4
Al(NO3)3 + Na2CrO4 = Al2(CrO4)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2CrO4 = Al2(CrO4)3 + 6 NaNO3
SbCl3(aq) + NaOH(aq) = Sb2(OH)3(s) + NaCl2(aq) =>
2 SbCl3(aq) + 3 NaOH(aq) = Sb2(OH)3(s) + 3 NaCl2(aq)
AsO33{-} + Cr2O72{-} + H{+} = AsO43{-} + Cr3{+} + H2O =>
427 AsO33{-} + 60 Cr2O72{-} + 100 H{+} = 427 AsO43{-} + 40 Cr3{+} + 50 H2O
Na2CO3 + Zn(NO3)2 = ZnCO3 + Na + NO3 =>
Na2CO3 + Zn(NO3)2 = ZnCO3 + 2 Na + 2 NO3
H2SO4 + KI = H2S + K2SO4 + I + H2O =>
5 H2SO4 + 8 KI = H2S + 4 K2SO4 + 8 I + 4 H2O
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