| Équations équilibrées la veille |
MnCrO4 + H2SO4 = MnSO4 + H2CrO4
(UO2)2[Fe(CN)6] + NaOH = Na2U2O7 + Na4[Fe(CN)6] + H2O =>
(UO2)2[Fe(CN)6] + 6 NaOH = Na2U2O7 + Na4[Fe(CN)6] + 3 H2O
KNO3 + Na2SO4 = KSO4 + NO3Na2 =>
KNO3 + Na2SO4 = KSO4 + NO3Na2
Ca + AuNO3 = Ca(NO3)2 + Au =>
Ca + 2 AuNO3 = Ca(NO3)2 + 2 Au
CH2O2 + Na = HCOONa + H2 =>
2 CH2O2 + 2 Na = 2 HCOONa + H2
Ba(OH)2 + NO2 = Ba(NO3)2 + Ba(NO2)2 + H2O =>
2 Ba(OH)2 + 4 NO2 = Ba(NO3)2 + Ba(NO2)2 + 2 H2O
CH5NH2 + O2 = CO2 + H2O + N2 =>
4 CH5NH2 + 11 O2 = 4 CO2 + 14 H2O + 2 N2
Pb(CH3COO)2 + K2SO4 = PbSO4 + K2(CH3COO)2 =>
Pb(CH3COO)2 + K2SO4 = PbSO4 + K2(CH3COO)2
C2H4O2 + NaHCO3 = NaC2H2O2 + H2O + CO2 =>
7 C2H4O2 + 8 NaHCO3 = 8 NaC2H2O2 + 10 H2O + 6 CO2
Mg2 + O2 = Mg2O2 =>
Mg2 + O2 = Mg2O2
P + O2 = PO2 =>
P + O2 = PO2
BaBr2 + Ca = CaBr2 + Ba =>
BaBr2 + Ca = CaBr2 + Ba
H2O2(aq) + KI(s) = I2(aq) + KOH(aq) =>
H2O2(aq) + 2 KI(s) = I2(aq) + 2 KOH(aq)
KCl(aq) + LiBr(aq) = LiK(aq) + ClBr(aq) =>
KCl(aq) + LiBr(aq) = LiK(aq) + ClBr(aq)
HC2H3O2 + Li = LiC2H3O2 + H =>
HC2H3O2 + Li = LiC2H3O2 + H
N3 + H6 = N2H6 =>
2 N3 + 3 H6 = 3 N2H6
AlCl3 + H2S = AlS + H2Cl3 =>
AlCl3 + H2S = AlS + H2Cl3
Na2S2O3 + NaOH = Na2S + Na2SO3 + H2O =>
3 Na2S2O3 + 6 NaOH = 2 Na2S + 4 Na2SO3 + 3 H2O
C15H31COONa + Ca(OH)2 = (C15H31COO)2Ca + NaOH =>
2 C15H31COONa + Ca(OH)2 = (C15H31COO)2Ca + 2 NaOH
ZnCl2 + NaOH = Na2[Zn(OH)4] + NaCl =>
ZnCl2 + 4 NaOH = Na2[Zn(OH)4] + 2 NaCl
C3H6O2 + Ba(OH)2 = H2O + BaC3H4O2 =>
C3H6O2 + Ba(OH)2 = 2 H2O + BaC3H4O2
HClO2 + H = HClO + H2O =>
HClO2 + 2 H = HClO + H2O
NiO + PdF2 = NiF2 + PdO =>
NiO + PdF2 = NiF2 + PdO
CaSiO3(s) + HF(aq) = CaF2(aq) + SiF4(g) + H2O(l) =>
CaSiO3(s) + 6 HF(aq) = CaF2(aq) + SiF4(g) + 3 H2O(l)
Pb(s) + N2(g) = Pb3N2(s) =>
3 Pb(s) + N2(g) = Pb3N2(s)
Zn(s) + AgNO3(ac) = Ag + Zn(NO3)2 =>
Zn(s) + 2 AgNO3(ac) = 2 Ag + Zn(NO3)2
K2S(ac) + HCl(ac) = KCl + H2S(g) =>
K2S(ac) + 2 HCl(ac) = 2 KCl + H2S(g)
P + KCIO3 = P2O5 + KCI =>
6 P + 5 KCIO3 = 3 P2O5 + 5 KCI
K2Cr2O7 + HI + HClO4 = Cr(ClO4)3 + I2 + KClO4 + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 Cr(ClO4)3 + 3 I2 + 2 KClO4 + 7 H2O
Ca2S2 + KI = CaI2 + K2S =>
Ca2S2 + 4 KI = 2 CaI2 + 2 K2S
Pb{4+} + Al = Pb{2+} + Al{3+} =>
3 Pb{4+} + 2 Al = 3 Pb{2+} + 2 Al{3+}
C2H6O + NaClO = CHCl3 + NaOH + CO2 =>
2 C2H6O + 9 NaClO = 3 CHCl3 + 9 NaOH + CO2
NO2(aq) + Cr2O7(aq) = Cr(aq) + NO3(aq) =>
7 NO2(aq) + Cr2O7(aq) = 2 Cr(aq) + 7 NO3(aq)
HNO3 + Na2O = NaNO3 + H2O =>
2 HNO3 + Na2O = 2 NaNO3 + H2O
CaSO4 + HNO3 = Ca(NO3)2 + H2SO4 =>
CaSO4 + 2 HNO3 = Ca(NO3)2 + H2SO4
FeS + O2 = Fe2O0 + SO2 =>
4 FeS + 5 O2 = 2 Fe2O0 + 4 SO2
Pb(NO3)4 + Li3PO4 = LiNO3 + Pb3(PO4)4 =>
3 Pb(NO3)4 + 4 Li3PO4 = 12 LiNO3 + Pb3(PO4)4
Fe2O2 + H2O = Fe(OH)2 =>
Fe2O2 + 2 H2O = 2 Fe(OH)2
MnO + O2 = Mn2O3 =>
4 MnO + O2 = 2 Mn2O3
TiCl2 + HCl + Zn = Zn[TiCl6] + H2 =>
TiCl2 + 4 HCl + Zn = Zn[TiCl6] + 2 H2
SO3 + Na2O = Na2SO4 =>
SO3 + Na2O = Na2SO4
CrO2{-} + S2O8{-2} + OH{-} = CrO4{-2} + SO4{-2} + H2O =>
2 CrO2{-} + 3 S2O8{-2} + 8 OH{-} = 2 CrO4{-2} + 6 SO4{-2} + 4 H2O
Sn(NO3)2 + NaCl + Fe = Sn + FeCl2 + NaNO3 =>
Sn(NO3)2 + 2 NaCl + Fe = Sn + FeCl2 + 2 NaNO3
Te + KOH = K2Te + K2TeO3 + H2O =>
3 Te + 6 KOH = 2 K2Te + K2TeO3 + 3 H2O
HBr + KNO3 = KBr + HNO3 =>
HBr + KNO3 = KBr + HNO3
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
K2Cr2O7 + SnCl2 + KOH = KCrO2 + K2SnO3 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 12 KOH = 2 KCrO2 + 3 K2SnO3 + 6 KCl + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH4Cl(aq) + Hg2(C2H3O2)2(aq) = Hg2Cl2(s) + NH4C2H3O2(aq) =>
2 NH4Cl(aq) + Hg2(C2H3O2)2(aq) = Hg2Cl2(s) + 2 NH4C2H3O2(aq)
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
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Équations équilibrées sur10/28/24
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