| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr2(SO4)3 + 3 H2O = Cr2O3 + 3 H2SO4
C2H6 + Cl2 = C2Cl6 + HCl =>
C2H6 + 6 Cl2 = C2Cl6 + 6 HCl
Na2C2O4 + KMnO4 + H2SO4 = CO2 + H2O + Mn + K2SO4 + Na4SO42 =>
14 Na2C2O4 + 78 KMnO4 + 46 H2SO4 = 28 CO2 + 46 H2O + 78 Mn + 39 K2SO4 + 7 Na4SO42
Mg(NO2)2 + Br2 + H2O = Mg(NO3)2 + HBr =>
Mg(NO2)2 + 2 Br2 + 2 H2O = Mg(NO3)2 + 4 HBr
PBCO3(s) = PBO(s) + CO2(g) =>
PBCO3(s) = PBO(s) + CO2(g)
Li + HCl = LiCl + H(g) =>
Li + HCl = LiCl + H(g)
Fr + H2SO4 = Fr2S + H2O + O2 =>
4 Fr + 2 H2SO4 = 2 Fr2S + 2 H2O + 3 O2
C2ClO2H3 + NaOH = H2O + NaC2ClO2H2 =>
C2ClO2H3 + NaOH = H2O + NaC2ClO2H2
NaOH(aq) + AgNO3(aq) = AgOH(aq) + NaNO3(aq) =>
NaOH(aq) + AgNO3(aq) = AgOH(aq) + NaNO3(aq)
C12H22O11 + NaOH = Na2CO3 + H2O + CH3COH =>
5 C12H22O11 + 24 NaOH = 12 Na2CO3 + 19 H2O + 24 CH3COH
K2Cr2O7 + H2SO4 + NaNO2 = K2SO4 + Cr2(SO4)3 + NaNO3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 NaNO2 = K2SO4 + Cr2(SO4)3 + 3 NaNO3 + 4 H2O
Cu2SO4 = CuO + SO2 =>
Cu2SO4 = 2 CuO + SO2
K + Fl = KFl =>
K + Fl = KFl
NiO + H2SO4 = NiSO4 + H2O =>
NiO + H2SO4 = NiSO4 + H2O
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NiCl2 + Na2Co3 = NiCo3 + NaCl =>
NiCl2 + Na2Co3 = NiCo3 + 2 NaCl
NH3 + Al(NO3)3 = Al(NH3) + NO3 =>
NH3 + Al(NO3)3 = Al(NH3) + 3 NO3
Ca(OH)2(s) + H3PO4 = Ca3(PO4)2(s) + H2O =>
3 Ca(OH)2(s) + 2 H3PO4 = Ca3(PO4)2(s) + 6 H2O
Na2O + P4O10 = Na3PO4 =>
6 Na2O + P4O10 = 4 Na3PO4
CaCO3 + H2C2O4 = CaC2O4 + H2CO3 =>
CaCO3 + H2C2O4 = CaC2O4 + H2CO3
[Co(NH3)6]Cl3 + Na2S = Co2S3 + NH3 + NaCl =>
2[Co(NH3)6]Cl3 + 3 Na2S = Co2S3 + 12 NH3 + 6 NaCl
CaCl2 + Cs2C2O4 = CaC2O4 + CsCl =>
CaCl2 + Cs2C2O4 = CaC2O4 + 2 CsCl
NaHCO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
2 NaHCO3 + H2SO4 = 2 CO2 + 2 H2O + Na2SO4
CaCl2 + H2SO4 = Ca(SO4) + H2Cl2 =>
CaCl2 + H2SO4 = Ca(SO4) + H2Cl2
MnO + Cr2O3 = MnCr2O4 =>
MnO + Cr2O3 = MnCr2O4
CaO(c) + P2O5(c) = Ca3(PO4)2 =>
3 CaO(c) + P2O5(c) = Ca3(PO4)2
Zn(g) + H2(g) = ZnH2(g) =>
Zn(g) + H2(g) = ZnH2(g)
CuSO4 + CaCl2 = CaSO4 + CuCl2 =>
CuSO4 + CaCl2 = CaSO4 + CuCl2
CrO4{2-} + H{+} = Cr2O7{2-} + H2O =>
2 CrO4{2-} + 2 H{+} = Cr2O7{2-} + H2O
Ca + Au + Sb = Ca2AuSb =>
2 Ca + Au + Sb = Ca2AuSb
Ba(NO3)2 + RbCN = Ba(CN)2 + RbNO3 =>
Ba(NO3)2 + 2 RbCN = Ba(CN)2 + 2 RbNO3
Fe(OH)2 + H2O2(ag) = Fe(OH)3(ag) =>
2 Fe(OH)2 + H2O2(ag) = 2 Fe(OH)3(ag)
C6H5CO2H + CH3CH2CO2H = C6H5C(O)CH2CH3 + CO2 + H2O =>
C6H5CO2H + CH3CH2CO2H = C6H5C(O)CH2CH3 + CO2 + H2O
HClO4(aq) + Sr(OH)2(s) = Sr(ClO4)2(s) + H2O(l) =>
2 HClO4(aq) + Sr(OH)2(s) = Sr(ClO4)2(s) + 2 H2O(l)
Mg(OH)2(s) + HCl(l) = MgCl2 + H2O =>
Mg(OH)2(s) + 2 HCl(l) = MgCl2 + 2 H2O
Sc2O3 = Sc + O =>
Sc2O3 = 2 Sc + 3 O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg + HNO3 = Mg(NO3)2 + H2 = =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
KMnO4 + Na2SO3 = Na2SO4 + MnO2 + K =>
KMnO4 + 2 Na2SO3 = 2 Na2SO4 + MnO2 + K
C2H5COH + KMnO4 + H2SO4 = C2H5COOH + MnSO4 + K2SO4 + H2O =>
5 C2H5COH + 2 KMnO4 + 3 H2SO4 = 5 C2H5COOH + 2 MnSO4 + K2SO4 + 3 H2O
C3H6O + CaOH2 = CaC3H6O + H2O =>
C3H6O + CaOH2 = CaC3H6O + H2O
HNO3 = H2O + N2 + O2 =>
4 HNO3 = 2 H2O + 2 N2 + 5 O2
HCH2CHCO2 + NaOH = NaCHCO + H2O =>
2 HCH2CHCO2 + 3 NaOH = 3 NaCHCO + 4 H2O
Zn(NO3)2(H2O)6 + C6H12N4 + NaCl = Zn5(OH)8Cl2H2O + CO2 + N2 + NaNO3 + H2O =>
45 Zn(NO3)2(H2O)6 + 10 C6H12N4 + 18 NaCl = 9 Zn5(OH)8Cl2H2O + 60 CO2 + 56 N2 + 18 NaNO3 + 285 H2O
MnO4 + NaCl + H2SO4 = Cl2 + MnCl2 + H2O + Na2SO4 =>
MnO4 + 8 NaCl + 4 H2SO4 = 3 Cl2 + MnCl2 + 4 H2O + 4 Na2SO4
BH3 + H2O + AgNO3 = Ag + H3BO + HNO3 =>
BH3 + H2O + 2 AgNO3 = 2 Ag + H3BO + 2 HNO3
BaBr2 + Fe2(SO4)3 = BaSO4 + FeBr3 =>
3 BaBr2 + Fe2(SO4)3 = 3 BaSO4 + 2 FeBr3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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