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4(C6H5)3P + 2 CuSO4*5H2O + 4 NaBH4 = 2[Cu(P(C6H5)3)2(BH4)] + 2 Na2SO4 + H2 + 2 BH3 + 10 H2O
N2O4 = N2 + O =>
N2O4 = N2 + 4 O
Cu3 + FeCl3 = Fe2 + Cu3Cl6 =>
Cu3 + 2 FeCl3 = Fe2 + Cu3Cl6
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cl2 + Si = Cl4Si =>
2 Cl2 + Si = Cl4Si
C2H18 + O2 = CO2 + H2O =>
2 C2H18 + 13 O2 = 4 CO2 + 18 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2CO3(aq) + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3(aq) + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Na2CO3(aq) + HNO3 = NaNO3(aq) + CO2(g) + H2O(l) =>
Na2CO3(aq) + 2 HNO3 = 2 NaNO3(aq) + CO2(g) + H2O(l)
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
KI(aq) + (NH4)2S2O8(aq) = I2(aq) + K2SO4(aq) + (NH4)2SO4(aq) =>
2 KI(aq) + (NH4)2S2O8(aq) = I2(aq) + K2SO4(aq) + (NH4)2SO4(aq)
Na + Cl2O = NaCl + O2 =>
4 Na + 2 Cl2O = 4 NaCl + O2
HS{-} + HSO3{-} = S2O3{-2} + H2O =>
2 HS{-} + 4 HSO3{-} = 3 S2O3{-2} + 3 H2O
LiCl + HI = HCl + LiI =>
LiCl + HI = HCl + LiI
Fe + Fe(OH)3 = Fe(OH)2 =>
Fe + 2 Fe(OH)3 = 3 Fe(OH)2
H3PO4 + BaCO3 = Ba3(PO4)2 + H2CO3 =>
2 H3PO4 + 3 BaCO3 = Ba3(PO4)2 + 3 H2CO3
Br2 + KI + H2O = KIO3 + HBr =>
3 Br2 + KI + 3 H2O = KIO3 + 6 HBr
C + O2 = CO2 =>
C + O2 = CO2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Fe2(SO4)3 + KOH = K2SO + Fe(OH)3 + O2 = Fe2O3 =>
2 Fe2(SO4)3 + 12 KOH = 6 K2SO + 4 Fe(OH)3 + 9 O2
Br2 + KI + H2O = KIO3 + HBr =>
3 Br2 + KI + 3 H2O = KIO3 + 6 HBr
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
K2Cr2O7 + PbCl2 = KCl + PbCr2O7 =>
K2Cr2O7 + PbCl2 = 2 KCl + PbCr2O7
HgS + NOCl = Hg{2+} + SO2 + Cl{-} + N2 =>
HgS + 2 NOCl = Hg{2+} + SO2 + 2 Cl{-} + N2
C6H6 + H2 = C6H12 =>
C6H6 + 3 H2 = C6H12
C7H8Br2 = C6H5CH2BrHBr =>
C7H8Br2 = C6H5CH2BrHBr
(NH4)Cl + Na2(CO3) = NaCl + (NH4)2(CO3) =>
2(NH4)Cl + Na2(CO3) = 2 NaCl + (NH4)2(CO3)
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
H + Br = HBr =>
H + Br = HBr
Fe + Ag(ClO3) = Fe(ClO3) + Ag =>
Fe + Ag(ClO3) = Fe(ClO3) + Ag
Cu(SO4) + H(NO3) = Cu(NO3)2 + H2(SO4) =>
Cu(SO4) + 2 H(NO3) = Cu(NO3)2 + H2(SO4)
SO2 + H2O = S + H2SO4 =>
3 SO2 + 2 H2O = S + 2 H2SO4
Cu + Cu(OAc)2 = CuOAc =>
Cu + Cu(OAc)2 = 2 CuOAc
Cu(NO2)2 + NH4CN = Cu(CN)2 + NH4NO2 =>
Cu(NO2)2 + 2 NH4CN = Cu(CN)2 + 2 NH4NO2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al2(SO4)3 + BaC2 = AlC3 + Ba2(SO4)2 =>
2 Al2(SO4)3 + 6 BaC2 = 4 AlC3 + 3 Ba2(SO4)2
NiCO3 + HNO3 = Ni(NO3)2 + CO2 + H2O =>
NiCO3 + 2 HNO3 = Ni(NO3)2 + CO2 + H2O
NaSCN + CoSO4 = Na2SO4 + Co(SCN)2 =>
2 NaSCN + CoSO4 = Na2SO4 + Co(SCN)2
Au + I2 = Au2I6 =>
2 Au + 3 I2 = Au2I6
N2O5(g) = NO2(g) + O2(g) =>
2 N2O5(g) = 4 NO2(g) + O2(g)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
V(CH3COO)3 + Na2Se = NaCH3COO + V2Se3 =>
2 V(CH3COO)3 + 3 Na2Se = 6 NaCH3COO + V2Se3
Cu + ZnSO4 = ZnCu + SO4 =>
Cu + ZnSO4 = ZnCu + SO4
Be(OH)2 + HBr = BeBr2 + H2O =>
Be(OH)2 + 2 HBr = BeBr2 + 2 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Ca(IO3)2 = Ca + (IO3)2 =>
Ca(IO3)2 = Ca + (IO3)2
K3[Al(OH)6] = Al(OH)3 + KOH =>
K3[Al(OH)6] = Al(OH)3 + 3 KOH
NiBr2 + KOH = Ni(OH)2 + KBr =>
NiBr2 + 2 KOH = Ni(OH)2 + 2 KBr
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
C3H7NO3(aq) + O2(g) = CO2(g) + H2O(l) + CH4N2O(aq) =>
2 C3H7NO3(aq) + 5 O2(g) = 5 CO2(g) + 5 H2O(l) + CH4N2O(aq)
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