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8 S + 2 OH{-} = 3 S2{-} + S2O2{-} + 2 H{+}
KI + H2(SO4) = K2(SO4) + I2 + H2S + H2O =>
8 KI + 5 H2(SO4) = 4 K2(SO4) + 4 I2 + H2S + 4 H2O
H2PO4 + H2O = H3O + PO4 =>
H2PO4 + 2 H2O = 2 H3O + PO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Cu + Pb(No3)2 = CuNo32 + Pb =>
3 Cu + 16 Pb(No3)2 = 3 CuNo32 + 16 Pb
Ca(OH)2 + HClO4 = H2O + Ca(ClO4)2 =>
Ca(OH)2 + 2 HClO4 = 2 H2O + Ca(ClO4)2
Re + KOH + O2 = KReO4 + H2O =>
4 Re + 4 KOH + 7 O2 = 4 KReO4 + 2 H2O
Si + O + Na = Na2SiO3 =>
Si + 3 O + 2 Na = Na2SiO3
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l)
CaCl2 + CaOH = Ca(OH)2 + CaCl =>
CaCl2 + 2 CaOH = Ca(OH)2 + 2 CaCl
boron + iodine = BI3 =>
2 B + 3 I2 = 2 BI3
NaI + HgCl2 = NaCl + HgI2 =>
2 NaI + HgCl2 = 2 NaCl + HgI2
C3H8 + Cl2 = C3H5Cl4 + HCl =>
2 C3H8 + 7 Cl2 = 2 C3H5Cl4 + 6 HCl
Na3C6H5O7 + O2 = CO2 + H2O + Na =>
4 Na3C6H5O7 + 15 O2 = 24 CO2 + 10 H2O + 12 Na
C10 = C8 =>
4 C10 = 5 C8
FeS2 + HNO3 + Br2 + H2O = Fe(NO3)3 + H2SO4 + HBr =>
2 FeS2 + 6 HNO3 + 15 Br2 + 16 H2O = 2 Fe(NO3)3 + 4 H2SO4 + 30 HBr
K(s) + Cl2(aq) = KCl =>
2 K(s) + Cl2(aq) = 2 KCl
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
H9 = H2 =>
2 H9 = 9 H2
Cl{-} + MnO4{-} + H{+} = Mn{2+} + Cl2 + H2O =>
10 Cl{-} + 2 MnO4{-} + 16 H{+} = 2 Mn{2+} + 5 Cl2 + 8 H2O
HI + Fe(NO3)3 = HNO3 + I2 + Fe(NO3)2 =>
2 HI + 2 Fe(NO3)3 = 2 HNO3 + I2 + 2 Fe(NO3)2
KIO3 + I2 + HCl = KICl4 + H2O + HIO3 =>
5 KIO3 + I2 + 20 HCl = 5 KICl4 + 9 H2O + 2 HIO3
C6H114 + O2 = CO2 + H2O =>
2 C6H114 + 69 O2 = 12 CO2 + 114 H2O
NO + FeSO4 = FeNOSO4 =>
NO + FeSO4 = FeNOSO4
Na3AsO3 + SnCl2 + HCl = As + NaCl + SnCl4 + H2O =>
2 Na3AsO3 + 3 SnCl2 + 12 HCl = 2 As + 6 NaCl + 3 SnCl4 + 6 H2O
Ag{+} + Cu = Ag + Cu{2+} =>
2 Ag{+} + Cu = 2 Ag + Cu{2+}
HCl(aq) + FeCl2(aq) + H2O2(aq) = FeCl3(aq) + H2O(l) =>
2 HCl(aq) + 2 FeCl2(aq) + H2O2(aq) = 2 FeCl3(aq) + 2 H2O(l)
CO3 = CO2 + O =>
CO3 = CO2 + O
SiCl4 + KOH = K2SiO3 + KCl + H2O =>
SiCl4 + 6 KOH = K2SiO3 + 4 KCl + 3 H2O
H2SO4 + Ca2 = CaSO4 + H2 =>
2 H2SO4 + Ca2 = 2 CaSO4 + 2 H2
N2 + F = N2F4 =>
N2 + 4 F = N2F4
ReO4 + Bi + Re = BiRe2O6 =>
3 ReO4 + 2 Bi + Re = 2 BiRe2O6
TiCl3 + NH3OHCl = N2 + Ti + HCl + H2O =>
2 TiCl3 + 6 NH3OHCl = 3 N2 + 2 Ti + 12 HCl + 6 H2O
C2H4 + O2 = C + H2O =>
C2H4 + O2 = 2 C + 2 H2O
MgNH4PO4*6H2O = Mg2 + P2 + O7 + NH3 + H2O =>
2 MgNH4PO4*6H2O = Mg2 + P2 + O7 + 2 NH3 + 13 H2O
C2H4 + NaOH = C2H4(OH)2 + Na2 =>
C2H4 + 2 NaOH = C2H4(OH)2 + Na2
CH3OH + KMnO4 = KHCO3 + MnO2 + KOH + H2O =>
CH3OH + 2 KMnO4 = KHCO3 + 2 MnO2 + KOH + H2O
W2Hf2C3O2 = HfO2 + HfC + WC =>
W2Hf2C3O2 = HfO2 + HfC + 2 WC
CuSO4 + H2O2 = H2SO4 + CuO + O2 =>
2 CuSO4 + 2 H2O2 = 2 H2SO4 + 2 CuO + O2
SrCO3 + HI = SrI2 + CO2 + H2O =>
SrCO3 + 2 HI = SrI2 + CO2 + H2O
H3PO3 + Au(OH)3 = Au3(PO3)3 + H2O =>
3 H3PO3 + 3 Au(OH)3 = Au3(PO3)3 + 9 H2O
Cr(OH)3 + H202 + KOH = K2Cr02 + H2O =>
202 Cr(OH)3 + 4 H202 + 202 KOH = 101 K2Cr02 + 808 H2O
H2O + CO2 = C3H5OH + O2 =>
3 H2O + 3 CO2 = C3H5OH + 4 O2
Cu(NO3)2 + NH3 = Cu(NH3)4{2+} + NO3{-} =>
Cu(NO3)2 + 4 NH3 = Cu(NH3)4{2+} + 2 NO3{-}
Mg[OH]2 + H2[SO4] = Mg[SO4] + H2O =>
Mg[OH]2 + H2[SO4] = Mg[SO4] + 2 H2O
Mn(OH)2 + O2 = MnO(OH)2 =>
2 Mn(OH)2 + O2 = 2 MnO(OH)2
NO + CrCl2 + HCl = N2 + CrCl3 + H2O =>
2 NO + 4 CrCl2 + 4 HCl = N2 + 4 CrCl3 + 2 H2O
Al + Cu3(CO3)2(OH)2 + HCl = AlCl2 + H2O + CO2 + Cu =>
3 Al + Cu3(CO3)2(OH)2 + 6 HCl = 3 AlCl2 + 4 H2O + 2 CO2 + 3 Cu
S + O2 + NaOH = Na2SO3 + H2O =>
S + O2 + 2 NaOH = Na2SO3 + H2O
(Al2(CO3)3) + H3PO4 = (AlPO4) + CO2 + H2O =>
(Al2(CO3)3) + 2 H3PO4 = 2(AlPO4) + 3 CO2 + 3 H2O
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