Équations équilibrées la veille |
3 H2O2 + Cr2S3 + 10 KOH = 2 K2CrO4 + 3 K2S + 8 H2O
BaO + Mg(OH2) = Ba(OH2) + MgO =>
BaO + Mg(OH2) = Ba(OH2) + MgO
Pb(NO3)2 + K2S2 = Pb2S4 + KNO3 =>
2 Pb(NO3)2 + 2 K2S2 = Pb2S4 + 4 KNO3
Co + HBr = CoBr3 + H2 =>
2 Co + 6 HBr = 2 CoBr3 + 3 H2
Ca{2+} + H2O = Ca(OH){2+} + H =>
Ca{2+} + H2O = Ca(OH){2+} + H
Sr(CH3COO)2 + NH4Cl = NH4CH3COO + SrCl2 =>
Sr(CH3COO)2 + 2 NH4Cl = 2 NH4CH3COO + SrCl2
ZnS + Ba(OH)2 = BaS + Zn(OH)2 =>
ZnS + Ba(OH)2 = BaS + Zn(OH)2
FeS + KClO3 + HCl3 = FeCl + S + KCl + H2O =>
18 FeS + KClO3 + 6 HCl3 = 18 FeCl + 18 S + KCl + 3 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
PbBr2 + Cl2 = PbCl2 + Br2 =>
PbBr2 + Cl2 = PbCl2 + Br2
(NH4)2S + (NH4)VO3 = NH3 + (NH4)3VS4 + H2O =>
4(NH4)2S + (NH4)VO3 = 6 NH3 + (NH4)3VS4 + 3 H2O
Cr(s) + HBr(aq) = CrBr + H =>
Cr(s) + HBr(aq) = CrBr + H
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2CO3 + AgNO3 = Ag2CO3 + Na2(NO3)2 =>
Na2CO3 + 2 AgNO3 = Ag2CO3 + Na2(NO3)2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Sr(CH3COO)2 + NH4Cl = NH4CH3COO + SrCl2 =>
Sr(CH3COO)2 + 2 NH4Cl = 2 NH4CH3COO + SrCl2
H2O2 + Cr2S3 + KOH = K2CrO4 + K2S + H2O =>
3 H2O2 + Cr2S3 + 10 KOH = 2 K2CrO4 + 3 K2S + 8 H2O
Ca{2+} + H2O = Ca(OH){2+} + H =>
Ca{2+} + H2O = Ca(OH){2+} + H
CO2 + Ni(OH)2 = NiCO3 + H2O =>
CO2 + Ni(OH)2 = NiCO3 + H2O
Al + O + C = Al4O4C =>
4 Al + 4 O + C = Al4O4C
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
Ag(NO3) + Na2(CO3) = Ag2(CO3) + Na(NO3) =>
2 Ag(NO3) + Na2(CO3) = Ag2(CO3) + 2 Na(NO3)
Mg + ZnS = Zn + MgS =>
Mg + ZnS = Zn + MgS
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Zn(NO3)2 + NaOH = Zn(NO3)2NaOH =>
Zn(NO3)2 + NaOH = Zn(NO3)2NaOH
CH2O + H{+} + SO4{2-} = CO2 + H2S + H2O =>
2 CH2O + 2 H{+} + SO4{2-} = 2 CO2 + H2S + 2 H2O
NO + H2O = HNO2 + N =>
3 NO + H2O = 2 HNO2 + N
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
LiNO3 + H3PO4 = Li3PO4 + HNO3 =>
3 LiNO3 + H3PO4 = Li3PO4 + 3 HNO3
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
CrO3 + Fe(OH)2 = FeCrO4 + H2O =>
CrO3 + Fe(OH)2 = FeCrO4 + H2O
Zn + K2MoO4 + HCl = MoCl3 + ZnCl2 + KCl + H2O =>
3 Zn + 2 K2MoO4 + 16 HCl = 2 MoCl3 + 3 ZnCl2 + 4 KCl + 8 H2O
N2O3 + Ca(OH)2 = CaOHNO2 + H2O =>
N2O3 + 2 Ca(OH)2 = 2 CaOHNO2 + H2O
C6H5OH + K = C6H5 + KOH =>
C6H5OH + K = C6H5 + KOH
Na2CO3 + C + N = Na(CN) + CO =>
Na2CO3 + 4 C + 2 N = 2 Na(CN) + 3 CO
K + SrSO4 = K2SO4 + Sr =>
2 K + SrSO4 = K2SO4 + Sr
CaCl2(aq) + K2S(aq) = CaS(s) + KCl(aq) =>
CaCl2(aq) + K2S(aq) = CaS(s) + 2 KCl(aq)
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Fe + Be{2+} = Fe{2+} + Be =>
Fe + Be{2+} = Fe{2+} + Be
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
BaSO4 + KCl = BaCl2 + K2SO4 =>
BaSO4 + 2 KCl = BaCl2 + K2SO4
CH3CH2COCH3 + H2NNH2 = CH3CH2CN2 + CH4 + H2O =>
11 CH3CH2COCH3 + 10 H2NNH2 = 10 CH3CH2CN2 + 14 CH4 + 11 H2O
Ni(NO3)2 + NH3 = Ni(NH3)6 + NO3 =>
Ni(NO3)2 + 6 NH3 = Ni(NH3)6 + 2 NO3
Mn2{+} + BiO3 + H{-} = MnO4{-} + Bi3{+} + H2O =>
Mn2{+} + 3 BiO3 + 2 H{-} = 2 MnO4{-} + Bi3{+} + H2O
H2 + I2 = HI =>
H2 + I2 = 2 HI
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
SO2Ba(OH)2 = H2OBaSO3 =>
SO2Ba(OH)2 = H2OBaSO3
Mg(s) + H2O = Mg(OH)2 + H2(g) =>
Mg(s) + 2 H2O = Mg(OH)2 + H2(g)
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