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2 FeS2 + 19 H2O = Fe2O3 + 4 SO4 + 38 H
LiOH + NaNO3 = LiNO3 + NaO + H =>
LiOH + NaNO3 = LiNO3 + NaO + H
HgCl2 + KI = HgI2 + KCl =>
HgCl2 + 2 KI = HgI2 + 2 KCl
C3H8O + KMnO4 + H2SO4 = C3O2H6 + Mn2(SO4)3 + K2SO4 + H2O =>
2 C3H8O + 2 KMnO4 + 4 H2SO4 = 2 C3O2H6 + Mn2(SO4)3 + K2SO4 + 6 H2O
K2Cr2O7 + H2SO4 + FeSO4 = K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 FeSO4 = K2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
Mg(NO3)2 = MgO + NO2 + O2 = =>
2 Mg(NO3)2 = 2 MgO + 4 NO2 + O2
CH3COOH + CH3CH(OH)CH(OH)CH3 = CH3COOCH(CH3)2 + H2O =>
CH3COOH + 2 CH3CH(OH)CH(OH)CH3 = 2 CH3COOCH(CH3)2 + 2 H2O
KMnO4 + HI + KOH = K2MnO4 + I2 + H2O =>
2 KMnO4 + 2 HI + 2 KOH = 2 K2MnO4 + I2 + 2 H2O
HCOONa + HCN = HCOOH + NaCN =>
HCOONa + HCN = HCOOH + NaCN
C6H4(COOH)COOK + NaOH = C6H4(COONa)COOK + H2O =>
C6H4(COOH)COOK + NaOH = C6H4(COONa)COOK + H2O
Cu2S + HNO3 = Cu(NO3)2 + SO2 + H2O + NO =>
3 Cu2S + 20 HNO3 = 6 Cu(NO3)2 + 3 SO2 + 10 H2O + 8 NO
PB(OH)2 + H2SO4 = PBSO4 + H2O =>
PB(OH)2 + H2SO4 = PBSO4 + 2 H2O
C3H34 + O2 = CO2 + H2O =>
2 C3H34 + 23 O2 = 6 CO2 + 34 H2O
K2CrO4 + FeSO4 + H2SO4 = Fe2(SO4)3 + CrSO4 + K2SO4 + H2O =>
K2CrO4 + 4 FeSO4 + 4 H2SO4 = 2 Fe2(SO4)3 + CrSO4 + K2SO4 + 4 H2O
CoCI2 + F2 = CoF2 + CI2 =>
CoCI2 + F2 = CoF2 + CI2
KMnO4 + H2SO4 + Na2S2O3 = MnSO4 + K2SO4 + H2O + Na2S2O4 =>
2 KMnO4 + 3 H2SO4 + 5 Na2S2O3 = 2 MnSO4 + K2SO4 + 3 H2O + 5 Na2S2O4
Tl{+} + Br2 = Br{-} + Tl{3+} =>
Tl{+} + Br2 = 2 Br{-} + Tl{3+}
Ca(NO2)2 + H2SO4 = CaSO4 + HNO2 =>
Ca(NO2)2 + H2SO4 = CaSO4 + 2 HNO2
AI + Pb(NO3)2 = Pb + AI(NO3)2 =>
AI + Pb(NO3)2 = Pb + AI(NO3)2
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
Cu2S + 14 HNO3 = 2 Cu(NO3)2 + H2SO4 + 10 NO2 + 6 H2O
NaCl + Li2SO4 = NaSO4 + Li2Cl =>
NaCl + Li2SO4 = NaSO4 + Li2Cl
Ba(OH)2 + (NH4)2CO3 = BaCO3 + NH4OH =>
Ba(OH)2 + (NH4)2CO3 = BaCO3 + 2 NH4OH
BaBr2 + CaCl2 = BaCl2 + CaBr2 =>
BaBr2 + CaCl2 = BaCl2 + CaBr2
K(OH)2 + HNO3 = KHNO3 + OH =>
K(OH)2 + HNO3 = KHNO3 + 2 OH
Al4C + H4Cl3 = Al4Cl3 + CH4 =>
Al4C + H4Cl3 = Al4Cl3 + CH4
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
Pb(NO3)2(aq) + K2CrO4 = PbCrO4 + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4 = PbCrO4 + 2 KNO3(aq)
Al + Ca = Al2Ca3 =>
2 Al + 3 Ca = Al2Ca3
KI + NaNO2 + H3PO4 = I2 + NO + K3PO4 + Na3PO4 + H2O =>
6 KI + 6 NaNO2 + 4 H3PO4 = 3 I2 + 6 NO + 2 K3PO4 + 2 Na3PO4 + 6 H2O
AgH2S = H2AgS =>
AgH2S = H2AgS
NaHCO3 + CuO = CuCO3 + NaOH =>
NaHCO3 + CuO = CuCO3 + NaOH
NaI + FeCl3 = FeI2 + NaCl + I =>
3 NaI + FeCl3 = FeI2 + 3 NaCl + I
MgO + H2S = H2O + MgS =>
MgO + H2S = H2O + MgS
Zn(OH)2 + Cl2 = ZnCl2 + OH =>
Zn(OH)2 + Cl2 = ZnCl2 + 2 OH
(NH4)2SO4(aq) + SrCl2(aq) = NH4Cl + SrSO4 =>
(NH4)2SO4(aq) + SrCl2(aq) = 2 NH4Cl + SrSO4
CuCl + NH3 = [Cu(NH3)2]Cl =>
CuCl + 2 NH3 = [Cu(NH3)2]Cl
V2O5 + NH3 = V + N2 + H2O =>
3 V2O5 + 10 NH3 = 6 V + 5 N2 + 15 H2O
Ne + Ar = ArNe3 =>
3 Ne + Ar = ArNe3
Zn(OH)2 + SO3 = ZnSO4 + H2O =>
Zn(OH)2 + SO3 = ZnSO4 + H2O
KNo3 + NaOH = NaNo3 + KOH =>
KNo3 + NaOH = NaNo3 + KOH
Al2(CO3)3 + Fe(OH)2 = Al(OH)3 + FeCO3 =>
Al2(CO3)3 + 3 Fe(OH)2 = 2 Al(OH)3 + 3 FeCO3
C5H10 + O2 = CH4 + CO =>
4 C5H10 + 5 O2 = 10 CH4 + 10 CO
H2S + MgO = H2O + MgS =>
H2S + MgO = H2O + MgS
FeCl3 + Na2S = Fe2S3 + NaCl =>
2 FeCl3 + 3 Na2S = Fe2S3 + 6 NaCl
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
LiOH + NaNO3 = LiNO3 + NaO + H =>
LiOH + NaNO3 = LiNO3 + NaO + H
Fe5 + O2 = Fe2O3 =>
4 Fe5 + 15 O2 = 10 Fe2O3
I2 + H2 = H5I =>
I2 + 5 H2 = 2 H5I
Ne + Ar = NeAr =>
Ne + Ar = NeAr
MnO4[{-}] = MnO4[{-}2] =>
MnO4[{-}] = MnO4[{-}2]
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