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2 SO2 + O2 = 2 SO3
Fe2O3 + KClO3 + K2CO3 = K2FeO4 + KCl + CO2 =>
Fe2O3 + KClO3 + 2 K2CO3 = 2 K2FeO4 + KCl + 2 CO2
C2H5OH + Br2 = C2H5Br + HBr + O2 =>
2 C2H5OH + 2 Br2 = 2 C2H5Br + 2 HBr + O2
Ag2CO3 = Ag2 + CO3 =>
Ag2CO3 = Ag2 + CO3
CuSO4*5H2O + H2O = [Cu(H2O)6] + SO4 =>
CuSO4*5H2O + H2O = [Cu(H2O)6] + SO4
FeCl3 + HJ = FeCl2 + HCl2 + J2 =>
4 FeCl3 + 2 HJ = 4 FeCl2 + 2 HCl2 + J2
Zn(OH)2 + HC1 = ZnC1H(OH)2 =>
Zn(OH)2 + HC1 = ZnC1H(OH)2
N2H4 + H2SO4 = N2H5 + (SO4)2 =>
4 N2H4 + 2 H2SO4 = 4 N2H5 + (SO4)2
Pb(Ac)2 + H2SO4 = PbSO4 + H2Ac2 =>
Pb(Ac)2 + H2SO4 = PbSO4 + H2Ac2
(NH4)2C2O4 + Hg(NO3)2 = NH4NO3 + HgC2O4 =>
(NH4)2C2O4 + Hg(NO3)2 = 2 NH4NO3 + HgC2O4
K2Cr2O7 + H2SO4 + H2O + CH3CH2OH = K2(SO4)Cr2(SO4)2*24H2O + CH3COOH =>
K2Cr2O7 + 3 H2SO4 + 19 H2O + 2 CH3CH2OH = K2(SO4)Cr2(SO4)2*24H2O + 2 CH3COOH
HO(CH2)4OH + HOOC(CH2)4COOH = HOOC(CH2)4COO(CH2)4OH + H2O =>
HO(CH2)4OH + HOOC(CH2)4COOH = HOOC(CH2)4COO(CH2)4OH + H2O
CuBr2 + KI = CuBr + KBr + I2 =>
2 CuBr2 + 2 KI = 2 CuBr + 2 KBr + I2
Cr + SO4 = Cr2(SO4)3 =>
2 Cr + 3 SO4 = Cr2(SO4)3
CHI + NaOH = NaCI + H2O =>
CHI + NaOH = NaCI + H2O
Na2CO3 + CuSO4 = CuCO3 + Na2SO4 =>
Na2CO3 + CuSO4 = CuCO3 + Na2SO4
HNO3 + Ca3P2 = NO2 + H2O + H3PO4 + Ca(NO3)3 =>
28 HNO3 + Ca3P2 = 19 NO2 + 11 H2O + 2 H3PO4 + 3 Ca(NO3)3
ZnO + HNO3 = Zn(NO3)2 + H2O =>
ZnO + 2 HNO3 = Zn(NO3)2 + H2O
NaHCO3 + CH3COOC6H4COOH = CH3COOC6H4COONa + H2O + CO2 =>
NaHCO3 + CH3COOC6H4COOH = CH3COOC6H4COONa + H2O + CO2
Cr2O7{-2} + CH3CH2CH2OH + H{+} = Cr3{+} + CH3CH2CHO + H2O =>
3 Cr2O7{-2} + 17 CH3CH2CH2OH + 8 H{+} = 2 Cr3{+} + 17 CH3CH2CHO + 21 H2O
C2H4 = C2H2 + H2 =>
C2H4 = C2H2 + H2
BaCO3 + H3PO4 = BaHPO4 + CO2 + H2O =>
BaCO3 + H3PO4 = BaHPO4 + CO2 + H2O
H3C5H6O7 + NaHCO3 = Na3C5H6O7 + H2O + CO2 =>
H3C5H6O7 + 3 NaHCO3 = Na3C5H6O7 + 3 H2O + 3 CO2
C2H4 + HBr = C2H5Br =>
C2H4 + HBr = C2H5Br
Al(s) + BaCl2(aq) = AlCl3(aq) + Ba(s) =>
2 Al(s) + 3 BaCl2(aq) = 2 AlCl3(aq) + 3 Ba(s)
S2O + H2O = SOH =>
S2O + H2O = 2 SOH
H2CO3 + KOH = HOH + K2CO3 =>
H2CO3 + 2 KOH = 2 HOH + K2CO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
S2 + HNO3 = SO2 + NO2 + H2O =>
S2 + 8 HNO3 = 2 SO2 + 8 NO2 + 4 H2O
S2F4 + H2O = S2O2 + HF =>
S2F4 + 2 H2O = S2O2 + 4 HF
K2Cr2O7 + H2SO4 + FeSO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + HOH =>
K2Cr2O7 + 7 H2SO4 + 6 FeSO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 7 HOH
Ca + Co2 = CaCo3 =>
2 Ca + 3 Co2 = 2 CaCo3
CHI + NaOH = NaCI + H2O =>
CHI + NaOH = NaCI + H2O
As2S3 + HClO4 + H2O = H3AsO4 + S + Cl2 =>
7 As2S3 + 10 HClO4 + 16 H2O = 14 H3AsO4 + 21 S + 5 Cl2
Al + K2O = AlO + K2 =>
Al + K2O = AlO + K2
Cr2(SO4)3 + Na2S2O8 + H2O = Na2SO4 + H2SO4 + H2Cr2O7 =>
Cr2(SO4)3 + 3 Na2S2O8 + 7 H2O = 3 Na2SO4 + 6 H2SO4 + H2Cr2O7
Na2O2 + H2SO4 = H2O2 + Na2SO4 =>
Na2O2 + H2SO4 = H2O2 + Na2SO4
NaSO4 + CuSO4 = Cu(SO4)2 + Na2SO4 =>
2 NaSO4 + CuSO4 = Cu(SO4)2 + Na2SO4
CuCl + NH4OH = CuOH + NH4Cl =>
CuCl + NH4OH = CuOH + NH4Cl
AgF + CaCl2 = CaF2 + AgCl =>
2 AgF + CaCl2 = CaF2 + 2 AgCl
Na2O + H2O = Na(OH) =>
Na2O + H2O = 2 Na(OH)
CUS + HNO3 = CU(NO3)2 + S + NO + H2O =>
3 CUS + 8 HNO3 = 3 CU(NO3)2 + 3 S + 2 NO + 4 H2O
Ca(Fe)2 = Ca + Fe =>
Ca(Fe)2 = Ca + 2 Fe
BaSO4 + AgNO3 = Ba(NO3)2 + Ag2SO4 =>
BaSO4 + 2 AgNO3 = Ba(NO3)2 + Ag2SO4
Ag2S + NaCN + O2 + H2O = NaAg(CN)2 + S + NaOH =>
2 Ag2S + 8 NaCN + O2 + 2 H2O = 4 NaAg(CN)2 + 2 S + 4 NaOH
C3H5Cl3 + NaOH = C3H8O3 + NaCl =>
C3H5Cl3 + 3 NaOH = C3H8O3 + 3 NaCl
(SO4)2 + H2O = SH + OH =>
(SO4)2 + 10 H2O = 2 SH + 18 OH
ZnS + MgAs = ZnAs + MgS =>
ZnS + MgAs = ZnAs + MgS
CH3OH + O2 = H2O + C(OH)2 =>
CH3OH + O2 = H2O + C(OH)2
F2(g) + H2O(l) = HF(g) + O2(g) =>
2 F2(g) + 2 H2O(l) = 4 HF(g) + O2(g)
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