| Équations équilibrées la veille |
(Fe(OH)2)2SO4 + H2SO4 = 2 FeOHSO4 + 2 H2O
Pb(NO3)2 + Na2Cl = PbCl + (NO3)2Na2 =>
Pb(NO3)2 + Na2Cl = PbCl + (NO3)2Na2
ZnSO4 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + K2SO4 =>
2 ZnSO4 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + 2 K2SO4
Zn(OH)2 + Na2O = Na2ZnO2 + H2O =>
Zn(OH)2 + Na2O = Na2ZnO2 + H2O
NOH + H2SO4 = H2O + N2SO4 =>
2 NOH + H2SO4 = 2 H2O + N2SO4
KIHgS = KSHgI =>
KIHgS = KSHgI
Fe2(SO4)3 + Na2SO3 = Fe2(SO3)3 + Na2SO4 =>
Fe2(SO4)3 + 3 Na2SO3 = Fe2(SO3)3 + 3 Na2SO4
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
[Co(H2O)6](NO3)2 + NaNO2 + CH3COOH = NaNO3 + CH3COONa + Na3[Co(NO2)6] + H2O =>
2[Co(H2O)6](NO3)2 + 11 NaNO2 + 2 CH3COOH = 3 NaNO3 + 2 CH3COONa + 2 Na3[Co(NO2)6] + 13 H2O
CS2 + O2 = CO2 + (SO2) =>
CS2 + 3 O2 = CO2 + 2(SO2)
KNO3 + Zn3(PO4)2 = K3PO4 + Zn(NO3)2 =>
6 KNO3 + Zn3(PO4)2 = 2 K3PO4 + 3 Zn(NO3)2
Si + NaOH = Na3SiO3 + H2 =>
2 Si + 6 NaOH = 2 Na3SiO3 + 3 H2
Cu2S + H3PO4 = Cu3PO4 + H2S =>
3 Cu2S + 2 H3PO4 = 2 Cu3PO4 + 3 H2S
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
K2MnO4 + FeCl2 + HCl = MnCl2 + FeCl3 + KCl + H2O =>
K2MnO4 + 4 FeCl2 + 8 HCl = MnCl2 + 4 FeCl3 + 2 KCl + 4 H2O
Fe(OH)3 + CH3COOH = Fe(CH3COO)3 + H2O =>
Fe(OH)3 + 3 CH3COOH = Fe(CH3COO)3 + 3 H2O
Ca + Ag3N = Ag + Ca3N2 =>
3 Ca + 2 Ag3N = 6 Ag + Ca3N2
C4H10 + Cl2 = C4H9Cl + H2 =>
2 C4H10 + Cl2 = 2 C4H9Cl + H2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
PB + HCl = PBCl2 + H =>
PB + 2 HCl = PBCl2 + 2 H
HClO3 + H2O = ClO3 + H3O =>
HClO3 + H2O = ClO3 + H3O
K2Cr2O4 + H2SO4 + Zn = ZnSO4 + Cr2(SO4) + K2SO4 + H2O =>
K2Cr2O4 + 4 H2SO4 + 2 Zn = 2 ZnSO4 + Cr2(SO4) + K2SO4 + 4 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
As2S5 + NO3{-} + H{+} = NO2 + H3AsO4 + HSO4{-} + H2O =>
As2S5 + 40 NO3{-} + 35 H{+} = 40 NO2 + 2 H3AsO4 + 5 HSO4{-} + 12 H2O
C32H66 + O2 = CO2 + H2O =>
2 C32H66 + 97 O2 = 64 CO2 + 66 H2O
NaAg(NH3)2 + NaBr = AgBr + Na2(NH3)2 =>
NaAg(NH3)2 + NaBr = AgBr + Na2(NH3)2
H2SO4 + NaOH = Na2SO4 + H2O(l) =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O(l)
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Mg(HCO3)2 + Mg(OH)2 = MgCO3 + H2O =>
Mg(HCO3)2 + Mg(OH)2 = 2 MgCO3 + 2 H2O
Na[Al(OH)4] = Al2O3 + NaOH + H2O =>
2 Na[Al(OH)4] = Al2O3 + 2 NaOH + 3 H2O
NOH + H2SO4 = H2O + N2SO4 =>
2 NOH + H2SO4 = 2 H2O + N2SO4
K2SO3 + SO3 = K2SO4 + SO2 =>
K2SO3 + SO3 = K2SO4 + SO2
Ni3N2 = Ni + N2 =>
Ni3N2 = 3 Ni + N2
SrSO4 = Sr{2+} + SO4{2-} =>
SrSO4 = Sr{2+} + SO4{2-}
Mg(OH)2 + Al2S3 = Al(OH)3 + MgS =>
3 Mg(OH)2 + Al2S3 = 2 Al(OH)3 + 3 MgS
(CH3)3N + CH3Cl = (CH3)4N + Cl =>
(CH3)3N + CH3Cl = (CH3)4N + Cl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
N2H4 + O2 = N2 + H2O =>
N2H4 + O2 = N2 + 2 H2O
Zn + SnCl2 = ZnCl2 + Sn =>
Zn + SnCl2 = ZnCl2 + Sn
NaOH(ag)HCl(ag) = NaCl(ag)H2O(l) =>
NaOH(ag)HCl(ag) = NaCl(ag)H2O(l)
NaHCO3 = CO2 + H2O + Na2CO3 =>
2 NaHCO3 = CO2 + H2O + Na2CO3
C2H2 + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
C2H2 + 2 KMnO4 + 3 H2SO4 = 2 CO2 + K2SO4 + 2 MnSO4 + 4 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Mg3P2 + H2O = PH3 + Mg(OH)2 =>
Mg3P2 + 6 H2O = 2 PH3 + 3 Mg(OH)2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
NH4Cl + Zn(OH)2 = ZnCl2 + NH4OH =>
2 NH4Cl + Zn(OH)2 = ZnCl2 + 2 NH4OH
Al(s) + S(s) = Al2S3 =>
2 Al(s) + 3 S(s) = Al2S3
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
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