| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeCe3 + 3 NaOH = Fe(OH)3 + 3 NaCe
Fe2O3 + NH3 = Fe + HNO3 + H2O =>
4 Fe2O3 + 3 NH3 = 8 Fe + 3 HNO3 + 3 H2O
C6H5ONaHCl = C6H5OHNaCl =>
C6H5ONaHCl = C6H5OHNaCl
Cu + H2SO4 = CuSO4(ac) + SO2(g) + H2O =>
Cu + 2 H2SO4 = CuSO4(ac) + SO2(g) + 2 H2O
KClO3 + Na2C2O4 = KCl + CO2 + Na2O =>
KClO3 + 3 Na2C2O4 = KCl + 6 CO2 + 3 Na2O
MnO4{-} + (COO)2{2-} + H2SO4 = Mn{2+} + SO4{2-} + CO2 + H2O =>
2 MnO4{-} + 5(COO)2{2-} + 8 H2SO4 = 2 Mn{2+} + 8 SO4{2-} + 10 CO2 + 8 H2O
CoBr2(aq) + Na2S(aq) = CoS(s) + NaBr(aq) =>
CoBr2(aq) + Na2S(aq) = CoS(s) + 2 NaBr(aq)
Na2CO3(aq) + HI(aq) = NaI(aq) + H2O(l) + CO2(g) =>
Na2CO3(aq) + 2 HI(aq) = 2 NaI(aq) + H2O(l) + CO2(g)
Hg + NaOH = HgOH + Na =>
Hg + NaOH = HgOH + Na
Fe2O3 + NH3 = Fe + HNO3 + H2O =>
4 Fe2O3 + 3 NH3 = 8 Fe + 3 HNO3 + 3 H2O
Mg + H3SO4 = H2 + MgSO4 =>
2 Mg + 2 H3SO4 = 3 H2 + 2 MgSO4
NH4HCO2 + O2 = N2 + CO2 + H2O =>
4 NH4HCO2 + 5 O2 = 2 N2 + 4 CO2 + 10 H2O
Ba(CH3COO)2 + K2CO3 = BaCO3 + KCH3COO =>
Ba(CH3COO)2 + K2CO3 = BaCO3 + 2 KCH3COO
HNO3 + CH3COOK = KNO3 + CH3COOH =>
HNO3 + CH3COOK = KNO3 + CH3COOH
CrCl3 + Li3PO4 = LiCl + CrPO4 =>
CrCl3 + Li3PO4 = 3 LiCl + CrPO4
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
NaBrO3 + P = P2O5 + NaBr =>
5 NaBrO3 + 6 P = 3 P2O5 + 5 NaBr
Fe2O3 + NH3 = Fe + HNO3 + H2O =>
4 Fe2O3 + 3 NH3 = 8 Fe + 3 HNO3 + 3 H2O
NaCl + (AgNO3) = AgCl(NaNO3) =>
NaCl + (AgNO3) = AgCl(NaNO3)
HCrO4{-} + H2S + H{+} = Cr2O3 + SO4{2-} + H2O =>
8 HCrO4{-} + 3 H2S + 2 H{+} = 4 Cr2O3 + 3 SO4{2-} + 8 H2O
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
C2H5OH + HCOOH = H2O + HCOOC2H5 =>
C2H5OH + HCOOH = H2O + HCOOC2H5
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
(NH4)2HPO4 + BaCl2 = (NH4)Cl + BaHPO4 =>
(NH4)2HPO4 + BaCl2 = 2(NH4)Cl + BaHPO4
Mg(BrO3)2 + NaOH = Mg(OH)2 + NaBrO3 =>
Mg(BrO3)2 + 2 NaOH = Mg(OH)2 + 2 NaBrO3
Cu(NO3)2 + Pt = Pt(NO3)2 + Cu =>
Cu(NO3)2 + Pt = Pt(NO3)2 + Cu
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
NaHCO3 + HCI = NaCI + H2O + CO2 =>
NaHCO3 + HCI = NaCI + H2O + CO2
NO3 + PO4 = NO3PO4 =>
NO3 + PO4 = NO3PO4
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
SO4{-2} + Zn + H{+} = S{-2} + Zn{+2} + H2O =>
SO4{-2} + 4 Zn + 8 H{+} = S{-2} + 4 Zn{+2} + 4 H2O
K2Cr2O7 + KI + H2SO4 = I2 + K2SO4 + Cr2(SO4)2 + H2O =>
K2Cr2O7 + 8 KI + 7 H2SO4 = 4 I2 + 5 K2SO4 + Cr2(SO4)2 + 7 H2O
H3AsO4 + Al + H{+} = AsH3 + Al3{+} + H2O =>
H3AsO4 + 24 Al + 8 H{+} = AsH3 + 8 Al3{+} + 4 H2O
AgNO3 + NaHS = Ag2S + NaNO3 + H2S =>
2 AgNO3 + 2 NaHS = Ag2S + 2 NaNO3 + H2S
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Fe2O3 + NH3 = Fe + HNO3 + H2O =>
4 Fe2O3 + 3 NH3 = 8 Fe + 3 HNO3 + 3 H2O
SiCl4 + NaOH = SiO2 + NaCl + HCl =>
SiCl4 + 2 NaOH = SiO2 + 2 NaCl + 2 HCl
Cr3{+} + Br2 + OH{-} = CrO4{-}{-} + Br{-} + H2O =>
Cr3{+} + 10 Br2 + 24 OH{-} = 3 CrO4{-}{-} + 20 Br{-} + 12 H2O
FeSO4 + K4[Fe(CN)6] = Fe4[Fe(CN)6]2 + K2SO4 =>
4 FeSO4 + 2 K4[Fe(CN)6] = Fe4[Fe(CN)6]2 + 4 K2SO4
HCNS + I2 + H2O = ICN + SO4{-2} + H{+} + I{-} =>
HCNS + 4 I2 + 4 H2O = ICN + SO4{-2} + 9 H{+} + 7 I{-}
CH2(OH)CH(OH)CH(CH3)CH(CH3)CH2CH3 = C8H8(OH)2 + H2 =>
CH2(OH)CH(OH)CH(CH3)CH(CH3)CH2CH3 = C8H8(OH)2 + 4 H2
CsCN + Al = Al(CN)3 + Cs =>
3 CsCN + Al = Al(CN)3 + 3 Cs
KMnO4 + Na2C2O4 + H2SO4 = CO2 + H2O + MnSO4 + Na2SO4 + K2SO4 =>
2 KMnO4 + 5 Na2C2O4 + 8 H2SO4 = 10 CO2 + 8 H2O + 2 MnSO4 + 5 Na2SO4 + K2SO4
Cu(OH)2 + CH3COOH = Cu(CCH3COO)2*H2O + H2O =>
Cu(OH)2 + 3 CH3COOH = Cu(CCH3COO)2*H2O + 3 H2O
Ag2O + Na2S2O3 + H2O = Na[Ag(S2O3)] + NaOH =>
Ag2O + 2 Na2S2O3 + H2O = 2 Na[Ag(S2O3)] + 2 NaOH
H2S + Ba = H2 + SBa =>
H2S + Ba = H2 + SBa
FeO + H2O2 = Fe2O3 + H2O =>
2 FeO + H2O2 = Fe2O3 + H2O
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O(l) =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O(l)
Zn + CdClO3 = Zn(ClO3)2 + Cd =>
Zn + 2 CdClO3 = Zn(ClO3)2 + 2 Cd
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