| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2(g) + O2(g) = 2 H2O(g)
Pt + HNO3 = Pt(NO3) + H2O + NO2 =>
Pt + 2 HNO3 = Pt(NO3) + H2O + NO2
Mg(OH)2 + C20H14O4 = C2H3O2 + Mg =>
8 Mg(OH)2 + C20H14O4 = 10 C2H3O2 + 8 Mg
SH2 + Al(OH)3 = Al2S3 + H2O =>
3 SH2 + 2 Al(OH)3 = Al2S3 + 6 H2O
Na2O3Si(Ac) + CaCl2(Ac) = CaOSiO2 + NaCl(Ac) =>
Na2O3Si(Ac) + CaCl2(Ac) = CaOSiO2 + 2 NaCl(Ac)
Cu(NO3)2 + Na2HPO4 = CuHPO4 + Na2(NO3)2 =>
Cu(NO3)2 + Na2HPO4 = CuHPO4 + Na2(NO3)2
CH3C6H4C2H5 + O2 = CH3C6H4CH2 + H2O =>
32 CH3C6H4C2H5 + 15 O2 = 36 CH3C6H4CH2 + 30 H2O
NaKI2O8 + NaI + H2SO4 = I2 + Na2SO4 + K2SO4 + H2O =>
2 NaKI2O8 + 28 NaI + 16 H2SO4 = 16 I2 + 15 Na2SO4 + K2SO4 + 16 H2O
V5 + O = V2O5 =>
2 V5 + 25 O = 5 V2O5
C16H24O5N + O2 = CO2 + H2O + NH3 =>
4 C16H24O5N + 75 O2 = 64 CO2 + 42 H2O + 4 NH3
P2O5 + H2O + AgNO3 = Ag3PO4 + HNO3 =>
P2O5 + 3 H2O + 6 AgNO3 = 2 Ag3PO4 + 6 HNO3
Co(H2O)6 + Cl = Co(Cl)4 + H2O =>
Co(H2O)6 + 4 Cl = Co(Cl)4 + 6 H2O
SrH2(s) + H2O(l) = Sr(OH) + H2 =>
2 SrH2(s) + 2 H2O(l) = 2 Sr(OH) + 3 H2
(CN)2 + NaOH = NaCN + NaOCN + H2O =>
(CN)2 + 2 NaOH = NaCN + NaOCN + H2O
[FeS2] + [NO3]{-} + H{+} = [SO4]{2-} + NO + H2O + Fe{3+} =>
[FeS2] + 5[NO3]{-} + 4 H{+} = 2[SO4]{2-} + 5 NO + 2 H2O + Fe{3+}
Ca(NO3)2(aq) + NaBr(aq) = CaBr2 + NaNO3 =>
Ca(NO3)2(aq) + 2 NaBr(aq) = CaBr2 + 2 NaNO3
(NH4)2(CO3) = CO2 + H2O(l) + NH3 =>
(NH4)2(CO3) = CO2 + H2O(l) + 2 NH3
O2 + Ga = GaO2 =>
O2 + Ga = GaO2
Fe + CN = Fe(CN)6 =>
Fe + 6 CN = Fe(CN)6
FeI2 + NaOH = FeOH + NaI2 =>
FeI2 + NaOH = FeOH + NaI2
C10H9 + H2 = C11H18 =>
22 C10H9 + 81 H2 = 20 C11H18
KI + CI2 = KCI + II2 =>
3 KI + 3 CI2 = 3 KCI + 2 II2
NaCl + AgF = NaF + AgCl =>
NaCl + AgF = NaF + AgCl
Ni + O2 = Ni02O3 =>
4 Ni + 3 O2 = 2 Ni02O3
CuSO4(aq) + NH3(aq) = Cu(NH3)4SO4 =>
CuSO4(aq) + 4 NH3(aq) = Cu(NH3)4SO4
CuSO4 + KBr = K2SO4 + K2(CuBr4) =>
CuSO4 + 4 KBr = K2SO4 + K2(CuBr4)
H3C6H5O7 + NaHO3 = Na3C6H5O7 + H2O + CO2 =>
5 H3C6H5O7 + 9 NaHO3 = 3 Na3C6H5O7 + 17 H2O + 12 CO2
CH3CH2COOH + H2O = CH3CH2COO + H3O =>
CH3CH2COOH + H2O = CH3CH2COO + H3O
HNO3 + (NH4)2MoO4 + Na3PO4 = (NH4)3PMo12O40 + NH4NO3 + NaNO3 + H2O =>
24 HNO3 + 12(NH4)2MoO4 + Na3PO4 = (NH4)3PMo12O40 + 21 NH4NO3 + 3 NaNO3 + 12 H2O
F2 + CoCl3 = F2Cl3 + Co =>
F2 + CoCl3 = F2Cl3 + Co
C3H7COOH + H2O = CH4 + CO2 =>
2 C3H7COOH + 2 H2O = 5 CH4 + 3 CO2
HCN + I{-} + MnO4{-} + H{+} = ICN + Mn{+2} + H2O =>
5 HCN + 5 I{-} + 2 MnO4{-} + 11 H{+} = 5 ICN + 2 Mn{+2} + 8 H2O
FeSO4 + H2O2 = FeO + H2O + SO4 =>
FeSO4 + H2O2 = FeO + H2O + SO4
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O =>
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O
[Ni(OH2)6]{2+} + NH3 = [Ni(NH3)6]{2+} + H2O =>
[Ni(OH2)6]{2+} + 6 NH3 = [Ni(NH3)6]{2+} + 6 H2O
AgCrO4 + H2SO4 = AgSO4 + H2CrO4 =>
AgCrO4 + H2SO4 = AgSO4 + H2CrO4
HCOONa + CH3COOH = HCOOH + CH3COONa =>
HCOONa + CH3COOH = HCOOH + CH3COONa
HNO3 + Ca(OH)2 = H2O + HNO3CaO =>
HNO3 + Ca(OH)2 = H2O + HNO3CaO
KF + CaC{2} = K + CaF{2} + C =>
KF + CaC{2} = K + CaF{2} + C
GaBr3 + Na2CO3 = Ga2(CO3)3 + NaBr =>
2 GaBr3 + 3 Na2CO3 = Ga2(CO3)3 + 6 NaBr
HF(aq) + BaO(aq) = BaF2(s) + H2O =>
2 HF(aq) + BaO(aq) = BaF2(s) + H2O
HCl + Na(OH) = NaCl + H2O =>
HCl + Na(OH) = NaCl + H2O
Al2(SO4)3 + PO4 = Al(PO4) + SO4 =>
Al2(SO4)3 + 2 PO4 = 2 Al(PO4) + 3 SO4
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
NiSO4*7H2O + Na4P2O7*10H2O = Ni2P2O7 + Na2SO4 + H2O =>
2 NiSO4*7H2O + Na4P2O7*10H2O = Ni2P2O7 + 2 Na2SO4 + 24 H2O
Ba(OH)2 = BaO + HOH =>
Ba(OH)2 = BaO + HOH
C6H12 + KMnO4 + H2O = C6H10(OH)2 + MnO2 + KOH =>
3 C6H12 + 4 KMnO4 + 2 H2O = 3 C6H10(OH)2 + 4 MnO2 + 4 KOH
PbI2 + Na2S = PbS + Na2I2 =>
PbI2 + Na2S = PbS + Na2I2
Al(NO3)3 + Na(OH) = Al(OH)3 + Na(NO3) =>
Al(NO3)3 + 3 Na(OH) = Al(OH)3 + 3 Na(NO3)
Na2CO3(aq) + Al2(SO4)3(aq) = Na2SO4(aq) + Al2(CO3)3(s) =>
3 Na2CO3(aq) + Al2(SO4)3(aq) = 3 Na2SO4(aq) + Al2(CO3)3(s)
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