| Équations équilibrées la veille |
6 J{-} + Cr2O7{2-} + 14 H{+} = 3 J2 + 2 Cr{3+} + 7 H2O
HCOOH + H2O = H3O + COOH =>
HCOOH + H2O = H3O + COOH
CaCO3 + H3BO3 = CaBO3 + H3CO3 =>
CaCO3 + H3BO3 = CaBO3 + H3CO3
Na2CO3ZnSO4 = Na2SO4(aq)ZnCO3(s) =>
Na2CO3ZnSO4 = Na2SO4(aq)ZnCO3(s)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + Cl2 + H2O =>
2 FeCl2 + K2Cr2O7 + 7 H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 2 Cl2 + 7 H2O
Rb(s) + F2(g) = RbF =>
2 Rb(s) + F2(g) = 2 RbF
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CuFeS2 + O2 = Cu2S + FeS + SO2 =>
2 CuFeS2 + O2 = Cu2S + 2 FeS + SO2
Br2 + HCIO + H2O = HBrO3 + HCI =>
Br2 + 5 HCIO + H2O = 2 HBrO3 + 5 HCI
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Cl2 + F2 = ClF3 =>
Cl2 + 3 F2 = 2 ClF3
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
C3H6O3 + O2 = CO2 + H2O =>
C3H6O3 + 3 O2 = 3 CO2 + 3 H2O
C2H5OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C2H5OH + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
H2CrO4 + BaBr2 = HBr + BaCrO4 =>
H2CrO4 + BaBr2 = 2 HBr + BaCrO4
C2H6 + Br = C2H4Br2 + HBr =>
C2H6 + 4 Br = C2H4Br2 + 2 HBr
KBr + Fe3(PO4)2 = K3PO4 + FeBr2 =>
6 KBr + Fe3(PO4)2 = 2 K3PO4 + 3 FeBr2
Na + N2 = Na2N =>
4 Na + N2 = 2 Na2N
Fe + Pb(ClO4)2 = Fe(ClO4)2 + Pb =>
Fe + Pb(ClO4)2 = Fe(ClO4)2 + Pb
Sr + SO3 = SrSO3 =>
Sr + SO3 = SrSO3
KOHNH4F = KFNH3H2O =>
KOHNH4F = KFNH3H2O
Li2SO3(aq) + Ba(ClO4)2(aq) = BaSO3 + LiClO4 =>
Li2SO3(aq) + Ba(ClO4)2(aq) = BaSO3 + 2 LiClO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cr04 = Cr07 =>
7 Cr04 = 4 Cr07
H2CrO4 + BaBr2 = HBr + BaCrO4 =>
H2CrO4 + BaBr2 = 2 HBr + BaCrO4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NaHCO3(s) + CH3COOH(aq) = NaC2H3O2(aq) + H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(aq) = NaC2H3O2(aq) + H2O(l) + CO2(g)
Fe + NiI = FeI2 + Ni =>
Fe + 2 NiI = FeI2 + 2 Ni
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
NaH2PO4 + Ba(OH)2 = Ba(H2PO4)2 + NaOH =>
2 NaH2PO4 + Ba(OH)2 = Ba(H2PO4)2 + 2 NaOH
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
MgCO3(aq) + HNO3(aq) = Mg(NO3)2(aq) + H2CO3(aq) =>
MgCO3(aq) + 2 HNO3(aq) = Mg(NO3)2(aq) + H2CO3(aq)
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
Mg + H2SO4 = Mg2SO4 + H2O + SO2 =>
2 Mg + 2 H2SO4 = Mg2SO4 + 2 H2O + SO2
Al2O3 + sulfuricacid = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Li2Cl2 = LiCl =>
Li2Cl2 = 2 LiCl
P2 + O2 = P2O3 =>
2 P2 + 3 O2 = 2 P2O3
HCIK15 = H2 + C + K + I2 =>
2 HCIK15 = H2 + 2 C + 30 K + I2
NiCO3 + Li2CO3 + TeO2 + O2 = Ni2LiTeO6 + CO2 =>
8 NiCO3 + 2 Li2CO3 + 4 TeO2 + 3 O2 = 4 Ni2LiTeO6 + 10 CO2
Al(NO3)3 + CaCrO4 = Al2(CrO4)3 + Ca(NO3)2 =>
2 Al(NO3)3 + 3 CaCrO4 = Al2(CrO4)3 + 3 Ca(NO3)2
(NH4)Cr7 + O2 = Cr2O3 + N2 + H2O =>
4(NH4)Cr7 + 25 O2 = 14 Cr2O3 + 2 N2 + 8 H2O
CaCl2 + HNO3 = Ca(NO3)2 + (HCl) =>
CaCl2 + 2 HNO3 = Ca(NO3)2 + 2(HCl)
[Co(H2O)6]Cl2 = CoCl2 + H2O =>
[Co(H2O)6]Cl2 = CoCl2 + 6 H2O
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