| Équations équilibrées la veille |
K2Cn2O7 + 14 HCl = 2 KCl + 2 CnCl3 + 7 H2O + 3 Cl2
AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + 2 NaNO3(aq)
CaCO3 + Mg3Si4O10(OH)2 = Ca2Mg5Si8O22(OH)2 + Mg2SiO4 + CO2 + H2O =>
10 CaCO3 + 11 Mg3Si4O10(OH)2 = 5 Ca2Mg5Si8O22(OH)2 + 4 Mg2SiO4 + 10 CO2 + 6 H2O
C6H5NO2 + Sn{+2} + H{+} = C6H5NH2 + Sn{+4} + H2O =>
C6H5NO2 + 3 Sn{+2} + 6 H{+} = C6H5NH2 + 3 Sn{+4} + 2 H2O
Mo(CO)6 + PPh3 = Mo(CO)4(PPh3)2 + CO =>
Mo(CO)6 + 2 PPh3 = Mo(CO)4(PPh3)2 + 2 CO
FeCl2 + H2O2 + ClH = FeCl3 + H2O =>
2 FeCl2 + H2O2 + 2 ClH = 2 FeCl3 + 2 H2O
HClO2 + Bi(OH)3 = H2O + Bi(ClO2)3 =>
3 HClO2 + Bi(OH)3 = 3 H2O + Bi(ClO2)3
NaOOCCOONa + NaOH = Na2CO3 + H2 =>
NaOOCCOONa + 2 NaOH = 2 Na2CO3 + H2
Zn(NO3)2 + KOH = KNO3 + Zn(OH)2 =>
Zn(NO3)2 + 2 KOH = 2 KNO3 + Zn(OH)2
NH4Cl + Sm(OH)3 = NH3 + H2O + SmCl3 =>
3 NH4Cl + Sm(OH)3 = 3 NH3 + 3 H2O + SmCl3
K + Li2S = KS + Li2 =>
K + Li2S = KS + Li2
Mg + HNO2 = Mg(NO3)2 + N2 + H2O =>
Mg + 4 HNO2 = Mg(NO3)2 + N2 + 2 H2O
Sc + F2 = Sc2F2 =>
2 Sc + F2 = Sc2F2
H2CO3 + Ca(OH2) = CaCO3 + H2O + H2 =>
H2CO3 + Ca(OH2) = CaCO3 + H2O + H2
Ru3N4 = Ru3 + N2 =>
Ru3N4 = Ru3 + 2 N2
FeS + H2O = Fe + SO + H2 =>
FeS + H2O = Fe + SO + H2
Na3[Al(OH)6] + HNO3 = Al(OH)3 + NaNO3 + H2O =>
Na3[Al(OH)6] + 3 HNO3 = Al(OH)3 + 3 NaNO3 + 3 H2O
(SO3)3 = SO3 =>
(SO3)3 = 3 SO3
H2Te + HNO3 = TeO2 + NO2 + H2O =>
H2Te + 6 HNO3 = TeO2 + 6 NO2 + 4 H2O
HClO4 + NO2 = HNO2 + ClO4 =>
HClO4 + NO2 = HNO2 + ClO4
Zn + CuBr2 = ZnBr2 + Cu =>
Zn + CuBr2 = ZnBr2 + Cu
Ga + S = Ga2S3 =>
2 Ga + 3 S = Ga2S3
CdCl2 + Na2CO3 + H2O = Cd(OH)2 + H2CO3 + NaCl =>
CdCl2 + Na2CO3 + 2 H2O = Cd(OH)2 + H2CO3 + 2 NaCl
H2O + Cr2O3 + NaOH = Na3Cr(OH)6 =>
3 H2O + Cr2O3 + 6 NaOH = 2 Na3Cr(OH)6
KMnO4 + H2C2O4 = KCO3 + MnO2 + H2O + CO2 =>
KMnO4 + H2C2O4 = KCO3 + MnO2 + H2O + CO2
Cu + HCl = CuCl + H2 =>
2 Cu + 2 HCl = 2 CuCl + H2
C6H5COOCH2CH3 + CH3Cl = C6H5COCH2CH + HClCH3OH =>
C6H5COOCH2CH3 + CH3Cl = C6H5COCH2CH + HClCH3OH
K2CrO4 + CrO2 + H2O = K2Cr2O7 + H2 =>
K2CrO4 + CrO2 + H2O = K2Cr2O7 + H2
BN + F2 = BF3 + N2 =>
2 BN + 3 F2 = 2 BF3 + N2
MnSO4 + Ca(ClO2) + NaOH = Na2MnO4 + CaCl + Na2SO4 + H2O =>
MnSO4 + Ca(ClO2) + 4 NaOH = Na2MnO4 + CaCl + Na2SO4 + 2 H2O
FeSO4 + KCNS = Fe(CNS)2 + K2SO4 =>
FeSO4 + 2 KCNS = Fe(CNS)2 + K2SO4
NaHCO3 + FeCl3 = Fe(HCO3)3 + NaCl =>
3 NaHCO3 + FeCl3 = Fe(HCO3)3 + 3 NaCl
CH3OH + C7H6O2 = C8H8O2 + H2O =>
CH3OH + C7H6O2 = C8H8O2 + H2O
NaCl + CoSO4 = Na2SO4 + CoCl2 =>
2 NaCl + CoSO4 = Na2SO4 + CoCl2
(NH4)2CO3 + NaOH = NH4OH + Na2CO3 =>
(NH4)2CO3 + 2 NaOH = 2 NH4OH + Na2CO3
N2O4 + KI = KNO3 + NO + I2 =>
2 N2O4 + 2 KI = 2 KNO3 + 2 NO + I2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
CH3CH2OH + Cr2O7{-2)+H{+} = CH3COOH+Cr{3+}+H2O =>
3 CH3CH2OH + 2 Cr2O7{-2)+16H{+} = 3 CH3COOH+4Cr{3+}+11H2O
BaCl2 + Fe(NH4)2(SO4)2 = BaSO4 + Fe(NH4)2Cl4 =>
2 BaCl2 + Fe(NH4)2(SO4)2 = 2 BaSO4 + Fe(NH4)2Cl4
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CaNO + Li = LiNO + Ca =>
CaNO + Li = LiNO + Ca
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
K2Cr2O7 + Na2SO3 + H2SO4 = Cr(SO4) + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 4 Na2SO3 + 3 H2SO4 = 2 Cr(SO4) + K2SO4 + 4 Na2SO4 + 3 H2O
C9H11OH + NH4Cl + CO2 = C10H15N(HCl) + O3 =>
C9H11OH + NH4Cl + CO2 = C10H15N(HCl) + O3
NaI + PbO = Na2O + PbI2 =>
2 NaI + PbO = Na2O + PbI2
KMnO4 + H2C2O4 = CO2 + H2O + KO2 + Mn2O3 =>
2 KMnO4 + H2C2O4 = 2 CO2 + H2O + 2 KO2 + Mn2O3
HClO4 + Ni = NiClO4 + H2 =>
2 HClO4 + 2 Ni = 2 NiClO4 + H2
HgMnO4 + Cu = Cu(MnO4)2 + Hg =>
2 HgMnO4 + Cu = Cu(MnO4)2 + 2 Hg
Li2S + P2S5 + LiCl = Li55P10S45Cl15 =>
20 Li2S + 5 P2S5 + 15 LiCl = Li55P10S45Cl15
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