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4 K2FeO4 + 10 H2SO4 = 2 Fe2(SO4)3 + 3 O2 + 4 K2SO4 + 10 H2O
Pb(CH3COO)2 + NaI = PbI2 + NaCH3COO =>
Pb(CH3COO)2 + 2 NaI = PbI2 + 2 NaCH3COO
FeSO4 + Ag = Ag2SO4 + Fe =>
FeSO4 + 2 Ag = Ag2SO4 + Fe
FeSO4 + Na2CO3 = Na2SO4 + FeCO3 =>
FeSO4 + Na2CO3 = Na2SO4 + FeCO3
CrCl3 + H2O2 + H2O = H2Cr2O7 + HCl =>
2 CrCl3 + 3 H2O2 + H2O = H2Cr2O7 + 6 HCl
Cu + HNO3 = Cu(NO3)2 + NO + H47O =>
93 Cu + 188 HNO3 = 93 Cu(NO3)2 + 2 NO + 4 H47O
NaNO3 + Cu + H2SO4 = CuSO4 + NO + H2O + Na2SO4 =>
2 NaNO3 + 3 Cu + 4 H2SO4 = 3 CuSO4 + 2 NO + 4 H2O + Na2SO4
HNO2 + K2Cr2O7 + H2SO4 = HNO3 + Cr2(SO4)3 + H2O + KOH =>
3 HNO2 + K2Cr2O7 + 3 H2SO4 = 3 HNO3 + Cr2(SO4)3 + 2 H2O + 2 KOH
NH3 + F2 = NF4 + HF =>
2 NH3 + 7 F2 = 2 NF4 + 6 HF
CuOH + HNO3 = Cu(NO3)2 + NO + H2O =>
3 CuOH + 7 HNO3 = 3 Cu(NO3)2 + NO + 5 H2O
CaCl2 + Ag3BO3 = AgCl + Ca3(BO3)2 =>
3 CaCl2 + 2 Ag3BO3 = 6 AgCl + Ca3(BO3)2
Na2SiO + CaCl2 = CaSiO + NaCl =>
Na2SiO + CaCl2 = CaSiO + 2 NaCl
Ni + H2O = Ni2O2 + H =>
2 Ni + 2 H2O = Ni2O2 + 4 H
Fe + NaOH = Fe(OH)2 + Na =>
Fe + 2 NaOH = Fe(OH)2 + 2 Na
Fe + Ge = FeGe =>
Fe + Ge = FeGe
MgCO3 = Mg2O2 + CO2 =>
2 MgCO3 = Mg2O2 + 2 CO2
RCHO + K2Cr2O7 + H2SO4 = RCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 RCHO + K2Cr2O7 + 4 H2SO4 = 3 RCOOH + Cr2(SO4)3 + K2SO4 + 4 H2O
Na2CO3 + Zn(NO3)2 = Zn(CO3)2 + Na2NO3 =>
2 Na2CO3 + Zn(NO3)2 = Zn(CO3)2 + 2 Na2NO3
C25H45F7 + Br2 = CBr4 + HBr + F5 =>
10 C25H45F7 + 725 Br2 = 250 CBr4 + 450 HBr + 14 F5
NaCN + C2H5Br = C2H5CN + NaBr =>
NaCN + C2H5Br = C2H5CN + NaBr
ZnO + NHO3 = Zn(NO3)2 + H2O =>
ZnO + 2 NHO3 = Zn(NO3)2 + H2O
C2H6 + O = C2O2 + H2O =>
C2H6 + 5 O = C2O2 + 3 H2O
Na2B4O7*7H2O(borax) + NaOH = NaBO2 + H2O =>
Na2B4O7*7H2O(borax) + 2 NaOH = 4 NaBO2 + 8 H2O
H3Po4 + CuSO4 = H3SO4 + CuPo4 =>
H3Po4 + CuSO4 = H3SO4 + CuPo4
HC1 + NaOH = NaC1 + H2O =>
HC1 + NaOH = NaC1 + H2O
Al(OH)4({-}) + H2SO4 = Al(OH)3 + H2O + SO4({2-}) =>
2 Al(OH)4({-}) + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4({2-})
NH3 + H2SO4 = (NH4)2(SO4) =>
2 NH3 + H2SO4 = (NH4)2(SO4)
Au2SO4 + H2 = H2SO4 + Au =>
Au2SO4 + H2 = H2SO4 + 2 Au
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CH2CH2 + H2O = CH3CH2OH =>
CH2CH2 + H2O = CH3CH2OH
NH4 + Cl = NH4Cl =>
NH4 + Cl = NH4Cl
Cl2 + OH = ClO3 + H2O =>
Cl2 + 12 OH = 2 ClO3 + 6 H2O
PbS + H2O = PbO + H2S =>
PbS + H2O = PbO + H2S
Cl2 + Cu(OH)2 = CuCl2 + H2O + O2 =>
2 Cl2 + 2 Cu(OH)2 = 2 CuCl2 + 2 H2O + O2
NaF + Ca(OH)2 = NaOH + CaF2 =>
2 NaF + Ca(OH)2 = 2 NaOH + CaF2
WS3 + KOH = K2WO4 + K2S + H2O =>
WS3 + 8 KOH = K2WO4 + 3 K2S + 4 H2O
NiO + ZnBr2 = NiBr2 + ZnO =>
NiO + ZnBr2 = NiBr2 + ZnO
CO2 + NH3 = CN2OH4 + H2O =>
CO2 + 2 NH3 = CN2OH4 + H2O
K4[Fe(CN)6] + KMnO4 + H2SO4 = CO2 + Fe2(SO4)3 + H2O + K2SO4 + KNO3 + MnSO4 =>
10 K4[Fe(CN)6] + 122 KMnO4 + 188 H2SO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 51 K2SO4 + 60 KNO3 + 122 MnSO4
NaCO3 + CH3COOH = CO2 + C2H3NaO2 + H2O =>
8 NaCO3 + 9 CH3COOH = 10 CO2 + 8 C2H3NaO2 + 6 H2O
BaN2O6 + NaI = NaNO3 + BaI2 =>
BaN2O6 + 2 NaI = 2 NaNO3 + BaI2
NiI2 + Fe = FeI + Ni =>
NiI2 + 2 Fe = 2 FeI + Ni
CuS + O = Cu + SO2 =>
CuS + 2 O = Cu + SO2
CuCl2 + NaI = CuI + NaCl + I2 =>
2 CuCl2 + 4 NaI = 2 CuI + 4 NaCl + I2
H2SO3 = H2 + S + O2 =>
2 H2SO3 = 2 H2 + 2 S + 3 O2
K2Cr2O7 + HI = CrI3 + KI + KIO3 + H2O =>
K2Cr2O7 + 8 HI = 2 CrI3 + KI + KIO3 + 4 H2O
C2O4 + HNO3 = H2C2O4 + NO3 =>
C2O4 + 2 HNO3 = H2C2O4 + 2 NO3
CaF2 + HF = F2 + CaH2 =>
CaF2 + 2 HF = 2 F2 + CaH2
H2O + NaCl = H10O5NaCl =>
5 H2O + NaCl = H10O5NaCl
NaHCO3 + H3C6H507 = Na3C6H507 + H2O + CO2 =>
3 NaHCO3 + H3C6H507 = Na3C6H507 + 3 H2O + 3 CO2
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