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Si + 2 H2O = SiO2 + 2 H2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
S + NaClO + NaOH = Na2SO4 + NaCl + H2O =>
S + 3 NaClO + 2 NaOH = Na2SO4 + 3 NaCl + H2O
NCl3(s) = N2(g) + Cl2(g) =>
2 NCl3(s) = N2(g) + 3 Cl2(g)
MnO4{2-} + SO2 = Mn{2+} + SO4{2-} =>
MnO4{2-} + 2 SO2 = Mn{2+} + 2 SO4{2-}
C18H32O2 + O2 = CO2 + H2O =>
C18H32O2 + 25 O2 = 18 CO2 + 16 H2O
Ni + HCH3COO = Ni(CH3COO)2 + H2 =>
Ni + 2 HCH3COO = Ni(CH3COO)2 + H2
(CH3(CH4)2CH3) + O2 = CO2 + H2O =>
2(CH3(CH4)2CH3) + 15 O2 = 8 CO2 + 14 H2O
K3PO4 + Cu(C2H3O2)2 = K(C2H3O2) + Cu3(PO4)2 =>
2 K3PO4 + 3 Cu(C2H3O2)2 = 6 K(C2H3O2) + Cu3(PO4)2
Zn(NO3)2*6H2O + Fe(NO3)3*9H2O + C6H8O7 = ZnFe2O4 + CO2 + N2 + H2O =>
9 Zn(NO3)2*6H2O + 18 Fe(NO3)3*9H2O + 20 C6H8O7 = 9 ZnFe2O4 + 120 CO2 + 36 N2 + 296 H2O
KO3 = K2O + O2 =>
4 KO3 = 2 K2O + 5 O2
NO3 + Cl = NO2 + ClO =>
NO3 + Cl = NO2 + ClO
W(s) + O2(g) = WO3(s) =>
2 W(s) + 3 O2(g) = 2 WO3(s)
C2H6S + O2 = CO2 + H2O + SO1 =>
C2H6S + 4 O2 = 2 CO2 + 3 H2O + SO1
CH4O + CuO = CH2O + Cu + H2O =>
CH4O + CuO = CH2O + Cu + H2O
NaCrO2 + H2O = Cr(OH)3 + NaOH =>
NaCrO2 + 2 H2O = Cr(OH)3 + NaOH
H2S(g) + F2(g) = SF4(g) + HF(g) =>
H2S(g) + 3 F2(g) = SF4(g) + 2 HF(g)
C2H6O + CuO = CH3CHO + H2O + Cu =>
C2H6O + CuO = CH3CHO + H2O + Cu
ClO3{-} + Fe(OH)3 + OH{-} = FeO4{2-} + Cl{-} + H2O =>
ClO3{-} + 2 Fe(OH)3 + 4 OH{-} = 2 FeO4{2-} + Cl{-} + 5 H2O
AlCl3 + HOH = Al2O3 + HCl =>
2 AlCl3 + 3 HOH = Al2O3 + 6 HCl
H2SO4 + KOH(aq) = K2SO4(aq) + H2O =>
H2SO4 + 2 KOH(aq) = K2SO4(aq) + 2 H2O
C9H8O4 + H2O = C9H7O4{-} + H3O{+} =>
C9H8O4 + H2O = C9H7O4{-} + H3O{+}
HClO4(aq) + Li2CO3(aq) = CO2 + H2O + LiClO4 =>
2 HClO4(aq) + Li2CO3(aq) = CO2 + H2O + 2 LiClO4
AgNO3 + CaCl2(aq) = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2(aq) = 2 AgCl + Ca(NO3)2
KCr(SO4)2*12H2O + NaOH = Cr(OH)3 + Na2SO4 + K2SO4 + H2O =>
2 KCr(SO4)2*12H2O + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4 + K2SO4 + 24 H2O
Cr2O7{-}2 + Cl{-} + H{+} = Cr3{+} + Cl2 + H2O =>
6 Cr2O7{-}2 + 74 Cl{-} + 84 H{+} = 4 Cr3{+} + 37 Cl2 + 42 H2O
Ba(OH)2 + (NH4)(SCN) = Ba(SCN)2 + (NH4)(OH) =>
Ba(OH)2 + 2(NH4)(SCN) = Ba(SCN)2 + 2(NH4)(OH)
Al + Pb(ClO3)2 = Pb + Al(ClO3)3 =>
2 Al + 3 Pb(ClO3)2 = 3 Pb + 2 Al(ClO3)3
C8H16O + Cr2O7{2-} + H{+} = C8H14O + Cr{3+} + H2O =>
3 C8H16O + Cr2O7{2-} + 8 H{+} = 3 C8H14O + 2 Cr{3+} + 7 H2O
Ag{+} + CI{-} = AgCI =>
Ag{+} + CI{-} = AgCI
CoCl2*6H2O + NH4Cl + NH3 + O2 = [Co(NH3)5Cl]Cl2 + H2O =>
4 CoCl2*6H2O + 4 NH4Cl + 16 NH3 + O2 = 4[Co(NH3)5Cl]Cl2 + 26 H2O
Na + ZnCl2 + H2O = Zn(OH)2 + H2 + NaCl =>
2 Na + ZnCl2 + 2 H2O = Zn(OH)2 + H2 + 2 NaCl
Al + HgCl = AlCl3 + Hg =>
Al + 3 HgCl = AlCl3 + 3 Hg
V + HF + HNO3 = H2[VF7] + NO + H2O =>
3 V + 21 HF + 5 HNO3 = 3 H2[VF7] + 5 NO + 10 H2O
KReO4 + H2SO4 + H2S = Re2S7 + K2SO4 + H2O =>
2 KReO4 + H2SO4 + 7 H2S = Re2S7 + K2SO4 + 8 H2O
K2(Cr2O7) + HCl = KCl + H2(Cr2O7) =>
K2(Cr2O7) + 2 HCl = 2 KCl + H2(Cr2O7)
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
KCN = K + C + N =>
KCN = K + C + N
As + H2O + O2 = H3AsO4 =>
4 As + 6 H2O + 5 O2 = 4 H3AsO4
CuSO4*5H2O + HCl = CuCl4 + H + SO4 + H2O =>
CuSO4*5H2O + 4 HCl = CuCl4 + 4 H + SO4 + 5 H2O
Na2OCO2 = Na2CO3 =>
Na2OCO2 = Na2CO3
Ni + HI = NiI3 + H2 =>
2 Ni + 6 HI = 2 NiI3 + 3 H2
K3N + O2 = K2O + NO2 =>
4 K3N + 7 O2 = 6 K2O + 4 NO2
Zn + CrBr3 = ZnBr2 + Cr =>
3 Zn + 2 CrBr3 = 3 ZnBr2 + 2 Cr
KCN = K{+} + CN{-} =>
KCN = K{+} + CN{-}
Na + I1 = NaI =>
Na + I1 = NaI
Ag + H2SO4 = Ag2SO4 + H2 =>
2 Ag + H2SO4 = Ag2SO4 + H2
HC6H7O7 + NaOH = NaC6H7O7 + HOH =>
HC6H7O7 + NaOH = NaC6H7O7 + HOH
Tl + HNO3 = TlNO3 + H2 =>
2 Tl + 2 HNO3 = 2 TlNO3 + H2
ZnBr2 + (NH4)3PO4 = Zn3(PO4)2 + NH4Br =>
3 ZnBr2 + 2(NH4)3PO4 = Zn3(PO4)2 + 6 NH4Br
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