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SO2 + H2O = H2SO3
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2 + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2 + 7 O2
Ce(IO3)4 + H2(C2O4) = Ce2(C2O4)3 + I2 + CO2 + H2O =>
2 Ce(IO3)4 + 24 H2(C2O4) = Ce2(C2O4)3 + 4 I2 + 42 CO2 + 24 H2O
Mn2O7 + C2H5OH = Mn(OH)2 + CO2 + H2O =>
6 Mn2O7 + 5 C2H5OH = 12 Mn(OH)2 + 10 CO2 + 3 H2O
K2CO3 + HC1 = KC1 + H2CO3 =>
K2CO3 + 2 HC1 = 2 KC1 + H2CO3
H3AsO4 + HI = As2O3 + I2 + H2O =>
2 H3AsO4 + 4 HI = As2O3 + 2 I2 + 5 H2O
H2S + Sn(OH)2 = Sn(HS)2 + H2O =>
2 H2S + Sn(OH)2 = Sn(HS)2 + 2 H2O
KHS + KHSO3 = K2S2O3 + H2O =>
2 KHS + 4 KHSO3 = 3 K2S2O3 + 3 H2O
MgCl2 + Na2CO3 = MgCO3 + NaCl =>
MgCl2 + Na2CO3 = MgCO3 + 2 NaCl
(NH4)2X + NaOH = Na2X + H2O + NH3 =>
(NH4)2X + 2 NaOH = Na2X + 2 H2O + 2 NH3
Na2S + H3PO4 = H2S + Na3PO4 =>
3 Na2S + 2 H3PO4 = 3 H2S + 2 Na3PO4
NaOH + NH4Cl = NH4OH + NaCl =>
NaOH + NH4Cl = NH4OH + NaCl
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
Ca + HNO3 = Ca(NO3)2 + H2O + N202 =>
505 Ca + 1212 HNO3 = 505 Ca(NO3)2 + 606 H2O + N202
NaPO4 + CaN2O6 = CaP2O8 + NaNO3 =>
2 NaPO4 + CaN2O6 = CaP2O8 + 2 NaNO3
Ca(OH)2 + CH3COOH = Ca(CH3) + CO2 + H2O =>
8 Ca(OH)2 + 9 CH3COOH = 8 Ca(CH3) + 10 CO2 + 14 H2O
Mn{2+} + Br2 + H2O = MnO4{-} + Br{-} + H{+} =>
2 Mn{2+} + 5 Br2 + 8 H2O = 2 MnO4{-} + 10 Br{-} + 16 H{+}
CH3CH2CH2COOH + Zn = CH3CH2CH2COOZn + H2 =>
2 CH3CH2CH2COOH + 2 Zn = 2 CH3CH2CH2COOZn + H2
Be + K2S = K2 + BeS =>
Be + K2S = K2 + BeS
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
KBrO3 + Na2SO3 = KBr + Na2SO4 =>
KBrO3 + 3 Na2SO3 = KBr + 3 Na2SO4
K2SiO3 + HNO3 = H2SiO3 + KNO3 =>
K2SiO3 + 2 HNO3 = H2SiO3 + 2 KNO3
Br2 + CuI2 = CuBr2 + I2 =>
Br2 + CuI2 = CuBr2 + I2
Zn + H2O2 = H2O + ZnO =>
Zn + H2O2 = H2O + ZnO
C6H6 + NaOH = C6H5ONa + H2 =>
C6H6 + NaOH = C6H5ONa + H2
Fe3O4 + ClO{-} + OH{-} = FeO4{-2} + H2O + Cl{-} =>
Fe3O4 + 5 ClO{-} + 6 OH{-} = 3 FeO4{-2} + 3 H2O + 5 Cl{-}
HCOOH + K2CO3 = HCOOK + CO2 + H2O =>
2 HCOOH + K2CO3 = 2 HCOOK + CO2 + H2O
Ag3N2 + Na2S = Ag2S2 + Na3N =>
2 Ag3N2 + 6 Na2S = 3 Ag2S2 + 4 Na3N
Al(s) + H2O = Al(OH)2(aq) + H2(g) =>
Al(s) + 2 H2O = Al(OH)2(aq) + H2(g)
Na2SiO3CuSO4 = CuSiO3Na2SO4 =>
Na2SiO3CuSO4 = CuSiO3Na2SO4
Na2SeSO3 + HO = Na2SO4 + HSe =>
Na2SeSO3 + HO = Na2SO4 + HSe
KNo3 + KMnO4 + H2O = No2 + MnO2 + KOH =>
6 KNo3 + 2 KMnO4 + 4 H2O = 9 No2 + 2 MnO2 + 8 KOH
ZnSO3 + HBr = ZnBr2 + H2SO3 =>
ZnSO3 + 2 HBr = ZnBr2 + H2SO3
As2O3 + H2O + HNO3 = H3AsO4 + NO2 =>
As2O3 + H2O + 4 HNO3 = 2 H3AsO4 + 4 NO2
MgSO4 + H3PO4 = Mg3(PO4)2 + H2 + SO4 =>
3 MgSO4 + 2 H3PO4 = Mg3(PO4)2 + 3 H2 + 3 SO4
Na2ZnO2 + HCl = Zn(OH)2 + NaCl =>
Na2ZnO2 + 2 HCl = Zn(OH)2 + 2 NaCl
Ac + H2SO4 = Ac(SO4)2 + H2 =>
Ac + 2 H2SO4 = Ac(SO4)2 + 2 H2
MgCl2 + HNO3 = Mg(NO3)2 + HCl =>
MgCl2 + 2 HNO3 = Mg(NO3)2 + 2 HCl
PbS + NH4OH = Pb(OH)2 + (NH4)2S =>
PbS + 2 NH4OH = Pb(OH)2 + (NH4)2S
BaHPO4 + CH3COOH = Ba(CH3COO)2 + H3PO4 =>
BaHPO4 + 2 CH3COOH = Ba(CH3COO)2 + H3PO4
K2FeO4 + H2O = Fe + KOH + O2 =>
2 K2FeO4 + 2 H2O = 2 Fe + 4 KOH + 3 O2
MnO2 + K2CO3 + KNO3 = CO2 + K2MnO4 + KNO2 =>
MnO2 + K2CO3 + KNO3 = CO2 + K2MnO4 + KNO2
Mn(OH)2 = MnO + H2O =>
Mn(OH)2 = MnO + H2O
K2SiO3 + HNO3 = H2SiO3 + KNO3 =>
K2SiO3 + 2 HNO3 = H2SiO3 + 2 KNO3
Pb(C2H3O2)2 + MgBr2 = Pb(Br)2 + Mg(C2H3O2)2 =>
Pb(C2H3O2)2 + MgBr2 = Pb(Br)2 + Mg(C2H3O2)2
H2O2 + H2SO4 + KI = K2SO4 + H2O + I2 =>
H2O2 + H2SO4 + 2 KI = K2SO4 + 2 H2O + I2
Br2 + CuI2 = CuBr2 + I2 =>
Br2 + CuI2 = CuBr2 + I2
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
CaC2O4 = Ca + C2 + O2 =>
CaC2O4 = Ca + C2 + 2 O2
KCl + HNO3 = KNO3 + Cl2 + H =>
2 KCl + 2 HNO3 = 2 KNO3 + Cl2 + 2 H
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