Équations équilibrées la veille |
2 KOH + Si = 2 K + SiO2 + 2 H
KI2 + FeCl3 = FeI2 + KCl + I2 =>
3 KI2 + FeCl3 = FeI2 + 3 KCl + 2 I2
Ga + H2S = Ga2S3 + H2 =>
2 Ga + 3 H2S = Ga2S3 + 3 H2
Na2(Pb(OH)6) + Na2CO3 = Pb(CO3)2 + NaOH =>
Na2(Pb(OH)6) + 2 Na2CO3 = Pb(CO3)2 + 6 NaOH
SiO2 + FeO = FeOSiO2 =>
SiO2 + FeO = FeOSiO2
FeCl2 + Na2SO3 = FeSO3 + NaCl =>
FeCl2 + Na2SO3 = FeSO3 + 2 NaCl
K2Cr2O7 + SO3 = K2Cr2SO3 + SO4 =>
K2Cr2O7 + 8 SO3 = K2Cr2SO3 + 7 SO4
S + KNO3 + C = K2S + N2 + CO2 =>
S + 2 KNO3 + 3 C = K2S + N2 + 3 CO2
H2CrO4 + Au2O3 = Au2(CrO4)3 + H2O =>
3 H2CrO4 + Au2O3 = Au2(CrO4)3 + 3 H2O
H2O2 + H2(SO4) + Fe(SO4) = Fe2(SO4)3 + H2O =>
H2O2 + H2(SO4) + 2 Fe(SO4) = Fe2(SO4)3 + 2 H2O
NaNO3 + H3PO4 = NaPO3 + HNO3 + H2O =>
NaNO3 + H3PO4 = NaPO3 + HNO3 + H2O
(NH4)2SO4 = NH4 + SO4 =>
(NH4)2SO4 = 2 NH4 + SO4
Al + SnO2 = AlO3 + Sn =>
2 Al + 3 SnO2 = 2 AlO3 + 3 Sn
NaHCO3NaHCO3 = Na2CO3 + H2O + CO2 =>
NaHCO3NaHCO3 = Na2CO3 + H2O + CO2
HgOH + HC2H3O2 = H2O + HgC2H3O2 =>
HgOH + HC2H3O2 = H2O + HgC2H3O2
Al + Fe{+2} = Al{+3} + Fe =>
2 Al + 3 Fe{+2} = 2 Al{+3} + 3 Fe
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
LiCN + CuSO4 = Li2SO4 + Cu(CN)2 =>
2 LiCN + CuSO4 = Li2SO4 + Cu(CN)2
C8H15O3 + O2 = H2O + CO =>
4 C8H15O3 + 25 O2 = 30 H2O + 32 CO
(NH4)2CrO4 + BaBr2 = CrO4Ba + (NH4)2Br2 =>
(NH4)2CrO4 + BaBr2 = CrO4Ba + (NH4)2Br2
Sr(OH)2 + S = SrS + SrSO3 + H2O =>
3 Sr(OH)2 + 3 S = 2 SrS + SrSO3 + 3 H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Pb(SO4)2 + LiNO3 = Pb(NO3)2 + Li(SO4) =>
Pb(SO4)2 + 2 LiNO3 = Pb(NO3)2 + 2 Li(SO4)
KOH + Mg(HCO3)2 = Mg(OH)2 + H2O + K2CO3 =>
4 KOH + Mg(HCO3)2 = Mg(OH)2 + 2 H2O + 2 K2CO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Pb + H2SO4 + O2 = PbSO4 + H2O =>
2 Pb + 2 H2SO4 + O2 = 2 PbSO4 + 2 H2O
Ag(NO3) + CaI2 = AgI2 + Ca(NO3) =>
Ag(NO3) + CaI2 = AgI2 + Ca(NO3)
ZnCl2 + K3PO4 = Zn3(PO4)2 + KCl =>
3 ZnCl2 + 2 K3PO4 = Zn3(PO4)2 + 6 KCl
Ag2S + KCN = KAg(CN)2 + K2S =>
Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
Na2(Pb(OH)6) + Na2CO3 = Pb(CO3)2 + NaOH =>
Na2(Pb(OH)6) + 2 Na2CO3 = Pb(CO3)2 + 6 NaOH
Ir + O2 = IrO3 =>
2 Ir + 3 O2 = 2 IrO3
BiCl3 + NH3 + HOH = Bi(OH)3 + NH4Cl =>
BiCl3 + 3 NH3 + 3 HOH = Bi(OH)3 + 3 NH4Cl
NaHC = C + H2 + Na =>
2 NaHC = 2 C + H2 + 2 Na
C6H8O7 + NaH(CO3) = H2O + CO2 + Na3C6H5O7 =>
C6H8O7 + 3 NaH(CO3) = 3 H2O + 3 CO2 + Na3C6H5O7
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
KClO3 + HCl = KCl + Cl2 + H2O =>
KClO3 + 6 HCl = KCl + 3 Cl2 + 3 H2O
CH4 + H2O = CH4O + H2 =>
CH4 + H2O = CH4O + H2
SrN6 + P3N5 + SrBr2 = Sr3P5N10Br + N2 =>
15 SrN6 + 10 P3N5 + 3 SrBr2 = 6 Sr3P5N10Br + 40 N2
C2H3O = C2 + H3 + O =>
C2H3O = C2 + H3 + O
C2H5COOH + Br = C2H5Br2COOH =>
C2H5COOH + 2 Br = C2H5Br2COOH
H3BO3 + CH3OH = H2O + B(OCH3)3 =>
H3BO3 + 3 CH3OH = 3 H2O + B(OCH3)3
FeHCl = Fe + HCl =>
FeHCl = Fe + HCl
Pb(C2H3O2)2(aq) + LiCl(aq) = PbCl2 + Li(C2H3O2) =>
Pb(C2H3O2)2(aq) + 2 LiCl(aq) = PbCl2 + 2 Li(C2H3O2)
Na3[Al(C2O4)3] + MgC2O4 = NaMg[Al(C2O4)3] + Na2C2O4 =>
Na3[Al(C2O4)3] + MgC2O4 = NaMg[Al(C2O4)3] + Na2C2O4
hydrogen + zincchloride = hydrogenchloride + zinc =>
H2 + ZnCl2 = 2 HCl + Zn
Pb(CH3C00)2 + RbBr = PbBr + Rb(CH3C00)2 =>
Pb(CH3C00)2 + RbBr = PbBr + Rb(CH3C00)2
NaHCO3 + C2H4 = NaC2H3O2 + H2O + CO2 =>
3 NaHCO3 + 2 C2H4 = 3 NaC2H3O2 + H2O + CO2
Na(HCO3) + C2H4O2 = C2H3NaO2 + CO2 + H2O =>
Na(HCO3) + C2H4O2 = C2H3NaO2 + CO2 + H2O
CaSO4(H2O)2 = CaSO4 + H2O =>
CaSO4(H2O)2 = CaSO4 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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