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2 H2SO4 + 12 HI = 6 I2 + 8 H2O + S02
SiF4 + K = FK + Si =>
SiF4 + 4 K = 4 FK + Si
KI + Br = KBr + I =>
KI + Br = KBr + I
CaCO3 + HC1 = CO2 + H + Ca =>
2 CaCO3 + HC1 = 3 CO2 + H + 2 Ca
H2O2 + Cl{-} = H2O + ClO3{-} =>
3 H2O2 + Cl{-} = 3 H2O + ClO3{-}
PH3 + K2Cr2O7 + H2SO4 = H3PO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 PH3 + 4 K2Cr2O7 + 16 H2SO4 = 3 H3PO4 + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
H2SeO3 = H2 + SeO3 =>
H2SeO3 = H2 + SeO3
Na + HI = NaI2 + H2 =>
Na + 2 HI = NaI2 + H2
Zn + CuO2 = ZnO2 + Cu =>
Zn + CuO2 = ZnO2 + Cu
CuSO4*5H2O + C6H8O6 = Cu + H2SO4 + C6H6O6 + H2O =>
CuSO4*5H2O + C6H8O6 = Cu + H2SO4 + C6H6O6 + 5 H2O
N2O + H2O = N2H2 + O2 =>
N2O + H2O = N2H2 + O2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
MgCl + NiNO3 = MgNO3 + NiCl =>
MgCl + NiNO3 = MgNO3 + NiCl
H{+} + Cr2O7{-2} + C2H5OH = Cr3{3+} + C2H4O + H2O =>
12 H{+} + 3 Cr2O7{-2} + 15 C2H5OH = 2 Cr3{3+} + 15 C2H4O + 21 H2O
C22H25ClN2O9 + NaOH + H2O = C22H28N2O11 + NaCl =>
C22H25ClN2O9 + NaOH + H2O = C22H28N2O11 + NaCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
S + NH3 = S4N4 + H2S =>
10 S + 4 NH3 = S4N4 + 6 H2S
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Mg(OH)2 = MgOH2O =>
Mg(OH)2 = MgOH2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Ca + MnO2 = CaO2 + Mn =>
Ca + MnO2 = CaO2 + Mn
N2H3O + O2 = NO2 + H2O =>
4 N2H3O + 9 O2 = 8 NO2 + 6 H2O
NH4Br + BaO = NH3 + BaBr2 + H2O =>
2 NH4Br + BaO = 2 NH3 + BaBr2 + H2O
KNO3 + CH3OH = K2CO3 + H2O + CO2 + N2 =>
6 KNO3 + 5 CH3OH = 3 K2CO3 + 10 H2O + 2 CO2 + 3 N2
CaCl2 + Si + H2 = Ca + HSiCl3 =>
3 CaCl2 + 2 Si + H2 = 3 Ca + 2 HSiCl3
H3PO3 + Fe(OH)3 = Fe2(HPO3)3 + H2O =>
3 H3PO3 + 2 Fe(OH)3 = Fe2(HPO3)3 + 6 H2O
Na + Pb2(SO4)3 = Na2(SO4) + Pb =>
6 Na + Pb2(SO4)3 = 3 Na2(SO4) + 2 Pb
C19H19OH + H2O2 = CO2 + H2O =>
C19H19OH + 47 H2O2 = 19 CO2 + 57 H2O
Na2SO3 + BaSO4 = Na2SO4 + BaSO3 =>
Na2SO3 + BaSO4 = Na2SO4 + BaSO3
AgNO3 + NaCl = AgCl + NaNO2 + O2 =>
2 AgNO3 + 2 NaCl = 2 AgCl + 2 NaNO2 + O2
CH3(H2)2CH3 + O2 = CO2 + H2O =>
2 CH3(H2)2CH3 + 9 O2 = 4 CO2 + 10 H2O
Br2 + H2S = HBr + S =>
Br2 + H2S = 2 HBr + S
Pb(X)2 + HCl = PbCl2 + HX =>
Pb(X)2 + 2 HCl = PbCl2 + 2 HX
CuSO4 + HIO3 = Cu(IO3)2 + H2SO4 =>
CuSO4 + 2 HIO3 = Cu(IO3)2 + H2SO4
NaH2PO3 + HCl + H2O2 = H2PO3 + NaCl + H2O =>
2 NaH2PO3 + 2 HCl + H2O2 = 2 H2PO3 + 2 NaCl + 2 H2O
KSO4 + Mg = K + MgSO4 =>
KSO4 + Mg = K + MgSO4
SO2 + Co2(SO4)3 + H2O = CoSO4 + H2SO4 =>
SO2 + Co2(SO4)3 + 2 H2O = 2 CoSO4 + 2 H2SO4
K2Cr2O7 + H2SO4 + Fe2SO4 = Fe(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
5 K2Cr2O7 + 35 H2SO4 + 3 Fe2SO4 = 6 Fe(SO4)3 + 5 Cr2(SO4)3 + 5 K2SO4 + 35 H2O
(NH4)Fe(SO4)2 + BaCl2 = NH4Cl + FeCl3 + BaSO4 =>
(NH4)Fe(SO4)2 + 2 BaCl2 = NH4Cl + FeCl3 + 2 BaSO4
C3H7OH + K2Cr2O7 + H2SO4 = CH3COCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H7OH + K2Cr2O7 + 4 H2SO4 = 3 CH3COCH3 + Cr2(SO4)3 + K2SO4 + 7 H2O
NaSO4 = Na + S + O =>
NaSO4 = Na + S + 4 O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
N8 + O = N7O8 =>
7 N8 + 64 O = 8 N7O8
(NH4)2S6 + O2 = SO2 + NH3 + H2O =>
2(NH4)2S6 + 13 O2 = 12 SO2 + 4 NH3 + 2 H2O
WS2 + WCo3 = W + Co3S4 =>
2 WS2 + WCo3 = 3 W + Co3S4
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