| Équations équilibrées la veille | Équations équilibrées le lendemain |
HCl + NH4Br = HBr + NH4Cl
AgNO3 + HSO4 = AgSO4 + HNO3 =>
AgNO3 + HSO4 = AgSO4 + HNO3
Mn7C3 + MnO = Mn + CO2 =>
Mn7C3 + 6 MnO = 13 Mn + 3 CO2
C6H6Br + NH2 = C6H7N + BrH =>
C6H6Br + NH2 = C6H7N + BrH
Al(OH)3 + S2O6 = Al2(SO4)3 + H2O =>
4 Al(OH)3 + 3 S2O6 = 2 Al2(SO4)3 + 6 H2O
Li2O(s) + H2SO4(aq) = Li2SO4 + H2O =>
Li2O(s) + H2SO4(aq) = Li2SO4 + H2O
NaOH(aq) + PbCl2 = NaCl + Pb(OH)2 =>
2 NaOH(aq) + PbCl2 = 2 NaCl + Pb(OH)2
Hg + NaOH = HgOH + Na =>
Hg + NaOH = HgOH + Na
CH3CH2CH3 + Br2 = CH3CBrCH3 + HBr =>
2 CH3CH2CH3 + 3 Br2 = 2 CH3CBrCH3 + 4 HBr
Be + KOH = K2(BeO2) + H2 =>
Be + 2 KOH = K2(BeO2) + H2
Na3(Po4) + CaCl = Ca3(Po4) + NaCl =>
Na3(Po4) + 3 CaCl = Ca3(Po4) + 3 NaCl
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
KMnO4 + HCl + HCN = KCl + MnCl + NO2 + C + H =>
KMnO4 + 2 HCl + 2 HCN = KCl + MnCl + 2 NO2 + 2 C + 4 H
LiOH(aq) + H2CO3(aq) = Li2CO3(s) + H2O(l) =>
2 LiOH(aq) + H2CO3(aq) = Li2CO3(s) + 2 H2O(l)
KMnO4 + C4H6O6 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + C4H6O6 + 3 H2SO4 = 4 CO2 + K2SO4 + 2 MnSO4 + 6 H2O
Co + S + Sn = Co3Sn2S2 =>
3 Co + 2 S + 2 Sn = Co3Sn2S2
CaSO4 + H3PO4 = Ca3(PO4)2 + H2SO4 =>
3 CaSO4 + 2 H3PO4 = Ca3(PO4)2 + 3 H2SO4
Pb(NO3)2 + K2S = KNO3 + PbS =>
Pb(NO3)2 + K2S = 2 KNO3 + PbS
HCOOH + KOH = HCOOK + H2O =>
HCOOH + KOH = HCOOK + H2O
Cl2 + FNO3 = F + Cl2(NO3)2 =>
Cl2 + 2 FNO3 = 2 F + Cl2(NO3)2
CoCl2*6H2O + NH4Cl + NH3 + H2O2 = [Co(NH3)5H2O]Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 8 NH3 + H2O2 = 2[Co(NH3)5H2O]Cl3 + 12 H2O
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
ClO3 + H2O = ClO4 + H =>
ClO3 + H2O = ClO4 + 2 H
Mn(NO3)3 + Na2S = Mn2S3 + NaNO3 =>
2 Mn(NO3)3 + 3 Na2S = Mn2S3 + 6 NaNO3
C2H4 + HNO3 = CO2 + NO + H2O =>
C2H4 + 4 HNO3 = 2 CO2 + 4 NO + 4 H2O
N2 + Ca = Ca3N3 =>
3 N2 + 6 Ca = 2 Ca3N3
ClO3 + H2O = ClO4 + H =>
ClO3 + H2O = ClO4 + 2 H
N2 + Ca = Ca3N3 =>
3 N2 + 6 Ca = 2 Ca3N3
Ca + N2 = CaN2 =>
Ca + N2 = CaN2
Hg(OH)2 + H2PO4 = HgPO4 + H2O =>
Hg(OH)2 + H2PO4 = HgPO4 + 2 H2O
MgO + H3PO4 = Mg3(PO4)2 + H2O =>
3 MgO + 2 H3PO4 = Mg3(PO4)2 + 3 H2O
K3N + MgCl2 = Mg3N2 + KCl =>
2 K3N + 3 MgCl2 = Mg3N2 + 6 KCl
Ba(NO2)2 + CrSO4 + H2SO4 = N2 + Cr2(SO4)3 + BaSO4 + H2O =>
Ba(NO2)2 + 6 CrSO4 + 4 H2SO4 = N2 + 3 Cr2(SO4)3 + BaSO4 + 4 H2O
N2 + Ca = Ca3N3 =>
3 N2 + 6 Ca = 2 Ca3N3
Cu + AlCl3 = CuAlCl3 =>
Cu + AlCl3 = CuAlCl3
C2H4 + O2 = CO + H2O =>
C2H4 + 2 O2 = 2 CO + 2 H2O
Mg + NH4 + PO4 = H2O + NH3 + Mg2P2O7 =>
2 Mg + 2 NH4 + 2 PO4 = H2O + 2 NH3 + Mg2P2O7
BaFeO4 + H2O = Ba(OH)2 + Fe(OH)3 + O2 =>
4 BaFeO4 + 10 H2O = 4 Ba(OH)2 + 4 Fe(OH)3 + 3 O2
C4 + F2 = CF3 =>
C4 + 6 F2 = 4 CF3
P(s) + Cl2(g) = PCl3(l) =>
2 P(s) + 3 Cl2(g) = 2 PCl3(l)
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Mn3O4 + H2O = MnOOH + e + H{+} =>
Mn3O4 + 2 H2O = 3 MnOOH + e + H{+}
CeO2 + HNO3 = Ce(NO3)3 + H2 + O2 =>
2 CeO2 + 6 HNO3 = 2 Ce(NO3)3 + 3 H2 + 2 O2
Br2 + Fe = FeBr2 =>
Br2 + Fe = FeBr2
NH3 + CuF2 = Cu3N + HH4F + N2 =>
20 NH3 + 6 CuF2 = 2 Cu3N + 12 HH4F + 9 N2
KI + FeNH4(SO4)2 = K2SO4 + FeNH4I4 =>
4 KI + FeNH4(SO4)2 = 2 K2SO4 + FeNH4I4
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
N2 + Ca = Ca3N3 =>
3 N2 + 6 Ca = 2 Ca3N3
CH2NH2COOH + HNO3 = CH2NH2CONO3 + H2O =>
CH2NH2COOH + HNO3 = CH2NH2CONO3 + H2O
N2 + Ca = Ca3N3 =>
3 N2 + 6 Ca = 2 Ca3N3
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