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3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
Fe2 + H2SO4 = Fe2H + SO4 =>
2 Fe2 + H2SO4 = 2 Fe2H + SO4
Cr2O3 + NaCl + H2O = CrCl3 + NaOH =>
Cr2O3 + 6 NaCl + 3 H2O = 2 CrCl3 + 6 NaOH
Fe2 + O2 + H2O = Fe(OH)3 =>
2 Fe2 + 3 O2 + 6 H2O = 4 Fe(OH)3
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
KS + Ni(NO3)2 = KNO3 + NiS2 =>
2 KS + Ni(NO3)2 = 2 KNO3 + NiS2
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
OKI = OIK =>
OKI = OIK
Fe(Cl3) + KOH = Fe(OH)3 + KCl =>
Fe(Cl3) + 3 KOH = Fe(OH)3 + 3 KCl
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Mg(OH)2 + HCl = MgCl2 + H2(OH)2 =>
Mg(OH)2 + 2 HCl = MgCl2 + H2(OH)2
Mn(NO3)2Na2S2O8 = MnO2Na2(NO3)2S2O6 =>
Mn(NO3)2Na2S2O8 = MnO2Na2(NO3)2S2O6
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
HgO = OHg =>
HgO = OHg
AlCl3 + K2S = AlS3 + K2Cl =>
AlCl3 + 3 K2S = AlS3 + 3 K2Cl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
LiCl + KHF2 + AlCl3*6H2O = LiK2AlF6 + HCl + KCl + H2O =>
LiCl + 3 KHF2 + AlCl3*6H2O = LiK2AlF6 + 3 HCl + KCl + 6 H2O
Zn + Cl2Hg = ZnCl + Hg =>
2 Zn + Cl2Hg = 2 ZnCl + Hg
NaNO3(s) + S(s) + C(s) = CO2(g) + Na2S(s) + N2(g) =>
2 NaNO3(s) + S(s) + 3 C(s) = 3 CO2(g) + Na2S(s) + N2(g)
C6H14 + O2 = CO12 + H2O =>
2 C6H14 + 79 O2 = 12 CO12 + 14 H2O
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
Cu + H2SO4 = CuSO4 + H2 =>
Cu + H2SO4 = CuSO4 + H2
S + Pd = SPd =>
S + Pd = SPd
HI = H2 + I2 =>
2 HI = H2 + I2
Sn(OH)2 + HCl = SnCl2 + H2O =>
Sn(OH)2 + 2 HCl = SnCl2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
ZnSO4 + MgCl2 = MgSO4 + ZnCl2 =>
ZnSO4 + MgCl2 = MgSO4 + ZnCl2
NH3 + HOH = NH3*H2O =>
NH3 + HOH = NH3*H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Mg2O2 = MgO =>
Mg2O2 = 2 MgO
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Pb2O5 = Pb2O2 + O =>
Pb2O5 = Pb2O2 + 3 O
BaSO4 + Pb(NO3)2 = Ba(NO3)2 + Pb(SO4) =>
BaSO4 + Pb(NO3)2 = Ba(NO3)2 + Pb(SO4)
CuSO4 + KBr = CuBr2 + K2SO4 =>
CuSO4 + 2 KBr = CuBr2 + K2SO4
CCl5 + HCl = CH4 + Cl2 =>
2 CCl5 + 8 HCl = 2 CH4 + 9 Cl2
KHCO3 + CH3COOH = KCH3COO + H2O + CO2 =>
KHCO3 + CH3COOH = KCH3COO + H2O + CO2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Fe2 + ZnCu3 = FeCu2 + FeZn =>
5 Fe2 + 4 ZnCu3 = 6 FeCu2 + 4 FeZn
HClO + NH3 = ClO{-} + NH4{+} =>
HClO + NH3 = ClO{-} + NH4{+}
CH4 + H2SO4 + KMnO4 = HCOOH + K2SO4 + MnSO4 + H2O =>
5 CH4 + 9 H2SO4 + 6 KMnO4 = 5 HCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
CaCl2 + Ca2CO3 = CaCO3 + Ca2Cl2 =>
CaCl2 + Ca2CO3 = CaCO3 + Ca2Cl2
PB + Cu(NO3)2 = PBNO3 + Cu2 =>
4 PB + 2 Cu(NO3)2 = 4 PBNO3 + Cu2
CO2KOH = KHCO3 =>
CO2KOH = KHCO3
H1O = HO =>
H1O = HO
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