| Équations équilibrées la veille |
9 Co(NO3)2 + 18 Fe(NO3)3 + 40 C2H5NO2 = 9 CoFe2O4 + 80 CO2 + 100 H2O + 56 N2
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
Al4C3(s) + H2O = CH4(g) + Al(OH)3(s) =>
Al4C3(s) + 12 H2O = 3 CH4(g) + 4 Al(OH)3(s)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
Fe2O3 + C2 = Fe2 + CO2 =>
4 Fe2O3 + 3 C2 = 4 Fe2 + 6 CO2
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
H2O(l) + CO2(g) = O2(g) + C6H12O6(aq) =>
6 H2O(l) + 6 CO2(g) = 6 O2(g) + C6H12O6(aq)
ZnCl + HSO3 = ZnSO3 + HCl =>
ZnCl + HSO3 = ZnSO3 + HCl
H2SO4 + K(OH) = H2(OH) + KSO4 =>
H2SO4 + K(OH) = H2(OH) + KSO4
CaCl2 + NaHCO3 = NaCl + CaCO3(s) + CO2 + H2O =>
CaCl2 + 2 NaHCO3 = 2 NaCl + CaCO3(s) + CO2 + H2O
Na2O + HNO3 = NaNO3 + H2O =>
Na2O + 2 HNO3 = 2 NaNO3 + H2O
P + O = P35O2 =>
35 P + 2 O = P35O2
Al + H3O{+} = Al{3+} + H2 + H2O =>
2 Al + 6 H3O{+} = 2 Al{3+} + 3 H2 + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al + NaClO + H2O = Al(OH)3 + NaCl =>
2 Al + 3 NaClO + 3 H2O = 2 Al(OH)3 + 3 NaCl
C2H4O2 + NaOCl = HClO + C2O2NaH3 =>
C2H4O2 + NaOCl = HClO + C2O2NaH3
K(s) + H2O(l) = KOH(ac) + H(g) =>
K(s) + H2O(l) = KOH(ac) + H(g)
Br + HNO3 = BrO3 + NO + H2O =>
Br + 2 HNO3 = BrO3 + 2 NO + H2O
Ni(OH)2 + HCl = NiCl2 + H2O =>
Ni(OH)2 + 2 HCl = NiCl2 + 2 H2O
IBr(s) + NH3(g) = NI3(s) + NH4Br(s) =>
3 IBr(s) + 4 NH3(g) = NI3(s) + 3 NH4Br(s)
Na2(SO3) + KMnO2 + H2SO4 = Na2SO4 + MnSO4 + K2SO4 + H2O =>
Na2(SO3) + 2 KMnO2 + 3 H2SO4 = Na2SO4 + 2 MnSO4 + K2SO4 + 3 H2O
Ca3N2 + Al2O3 = CaO + AlN =>
Ca3N2 + Al2O3 = 3 CaO + 2 AlN
CaC2O4 + H2SO4 + KMnO4 = CaSO4 + KSO4 + MnSO4 + CO2 + H2O =>
2 CaC2O4 + 4 H2SO4 + KMnO4 = 2 CaSO4 + KSO4 + MnSO4 + 4 CO2 + 4 H2O
C5H8 + KMnO4 + H2O = C5H13O3 + MnO2 + KOH =>
3 C5H8 + KMnO4 + 8 H2O = 3 C5H13O3 + MnO2 + KOH
S + OH{-} = S2{-} + S2O3{-} + H{+} =>
12 S + 3 OH{-} = 5 S2{-} + S2O3{-} + 3 H{+}
NH4NO3 + C6H12O6 = H2O + CO2 + NH3 =>
3 NH4NO3 + C6H12O6 = 3 H2O + 6 CO2 + 6 NH3
CO3 + AgNO3 = NO3 + Ag(CO3) =>
CO3 + AgNO3 = NO3 + Ag(CO3)
KOH + F2 = KF + O2 + water =>
4 KOH + 2 F2 = 4 KF + O2 + 2 H2O
Fe(NO3)3(aq) + NaNCS(aq) = FeNCS(NO3)2(aq) + NaNO3(aq) =>
Fe(NO3)3(aq) + NaNCS(aq) = FeNCS(NO3)2(aq) + NaNO3(aq)
CH3C(O)CH2CH2CH3 + HCN = CH3C(OH)CNCH2CH2CH3 =>
CH3C(O)CH2CH2CH3 + HCN = CH3C(OH)CNCH2CH2CH3
Ca(CH3COO)2 + HCl = CaCl2 + CH3COOH =>
Ca(CH3COO)2 + 2 HCl = CaCl2 + 2 CH3COOH
Pb(NO3)4 + NaI = Na(NO3)2 + PbI2 =>
Pb(NO3)4 + 2 NaI = 2 Na(NO3)2 + PbI2
CaSO4 + AlBr3 = CaBr2 + Al + (SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + 2 Al + (SO4)3
Copper + sulfuricacid = copper(ii)sulfate + sulfurdioxide + water =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
Ag(NO3)2 + HI = AgI2 + HNO3 =>
Ag(NO3)2 + 2 HI = AgI2 + 2 HNO3
H2CO3 + Li = LiHCO3 + H2 =>
2 H2CO3 + 2 Li = 2 LiHCO3 + H2
Cr2(SO4)3(aq) + NaHCO3(aq) = Cr(HCO3)3(aq) + Na2SO4(aq) =>
Cr2(SO4)3(aq) + 6 NaHCO3(aq) = 2 Cr(HCO3)3(aq) + 3 Na2SO4(aq)
H2A + NaOH = NaA + H3O =>
H2A + NaOH = NaA + H3O
NH4Cl + Ba(NO3)2 = BaCl2 + (NH4)NO3 =>
2 NH4Cl + Ba(NO3)2 = BaCl2 + 2(NH4)NO3
PbCuO = CuPbO =>
PbCuO = CuPbO
HNO(NaSO3)2 + KMnO4 = NO(NaSO3)2 + MnO2 + KOH + H2O =>
3 HNO(NaSO3)2 + KMnO4 = 3 NO(NaSO3)2 + MnO2 + KOH + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2O + NH3 + SO2 = N2H8SO3 =>
H2O + 2 NH3 + SO2 = N2H8SO3
Zn + SbCl3 + H2SO4 = ZnSO4 + ZnCl2 + SbH3 =>
6 Zn + 2 SbCl3 + 3 H2SO4 = 3 ZnSO4 + 3 ZnCl2 + 2 SbH3
CuSO4*5H2O(s) + KOH(s) = K2SO4(aq) + Cu(OH)2(s) + H2O(l) =>
CuSO4*5H2O(s) + 2 KOH(s) = K2SO4(aq) + Cu(OH)2(s) + 5 H2O(l)
SrI2 + Li2CO3 = SrCO3 + LiI =>
SrI2 + Li2CO3 = SrCO3 + 2 LiI
CO2 + CaO = Ca{2+} + CO3{2-} =>
CO2 + CaO = Ca{2+} + CO3{2-}
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Cr2O7{-2} + F{-} + H{+} = Cr{+} + H2O + F =>
Cr2O7{-2} + 10 F{-} + 14 H{+} = 2 Cr{+} + 7 H2O + 10 F
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