| Équations équilibrées la veille |
Ba + 2 C = BaC2
NaHCOO + H2SO4 = CO + H2O + Na2SO4 =>
2 NaHCOO + H2SO4 = 2 CO + 2 H2O + Na2SO4
Mn(OH)2 + HMnO4 = MnO2 + H2O =>
3 Mn(OH)2 + 2 HMnO4 = 5 MnO2 + 4 H2O
Na2S2O3 + KClO3 + H2O = Na2S4O6 + Cl2 + NaOH + K =>
12 Na2S2O3 + 2 KClO3 + 6 H2O = 6 Na2S4O6 + Cl2 + 12 NaOH + 2 K
Mg3P2 + HNO3 = Mg + H3PO4 + NO2 + H2O =>
Mg3P2 + 10 HNO3 = 3 Mg + 2 H3PO4 + 10 NO2 + 2 H2O
CoCl3 + NH4OH = Co(OH)3 + NH4Cl =>
CoCl3 + 3 NH4OH = Co(OH)3 + 3 NH4Cl
NiS + HCl + HNO3 = NiCl2 + NO + S + H2O =>
3 NiS + 6 HCl + 2 HNO3 = 3 NiCl2 + 2 NO + 3 S + 4 H2O
K2SO4(aq) + Co(NO3)2(aq) = CoSO4(s) + KNO3(aq) =>
K2SO4(aq) + Co(NO3)2(aq) = CoSO4(s) + 2 KNO3(aq)
HI(aq) + NaOH(aq) = NaI + H2O =>
HI(aq) + NaOH(aq) = NaI + H2O
Mg + Fe(SO4)2 = MgSO4 + Fe =>
2 Mg + Fe(SO4)2 = 2 MgSO4 + Fe
K + HMnO4 = KMnO4 + H2 =>
2 K + 2 HMnO4 = 2 KMnO4 + H2
CaBr2 + Cl = CaCl2 + Br =>
CaBr2 + 2 Cl = CaCl2 + 2 Br
C4H8O + H2 = C4H10O =>
C4H8O + H2 = C4H10O
CuCl2 + NaHSO3 + H2O = Cu + HCl + NaHSO4 =>
CuCl2 + NaHSO3 + H2O = Cu + 2 HCl + NaHSO4
Fe(OH)3 + H2O = Fe(OH)4 + H =>
Fe(OH)3 + H2O = Fe(OH)4 + H
NaBr + O2 = Na2O + Br =>
4 NaBr + O2 = 2 Na2O + 4 Br
HClO2 + H2O = ClO4 + H3O =>
HClO2 + 7 H2O = ClO4 + 5 H3O
K3N = K + N =>
K3N = 3 K + N
SiO = Si + O =>
SiO = Si + O
NH + O = NO + H2O =>
2 NH + 3 O = 2 NO + H2O
H2O2 + MnO2 + NaOH = NaMnO4 + H2O =>
3 H2O2 + 2 MnO2 + 2 NaOH = 2 NaMnO4 + 4 H2O
K2[Ni(CN)4] + KClO + KOH = KCl + Ni2O3 + KCN + H2O =>
2 K2[Ni(CN)4] + KClO + 4 KOH = KCl + Ni2O3 + 8 KCN + 2 H2O
HClO + Cu = CuClO + H2 =>
2 HClO + 2 Cu = 2 CuClO + H2
C2H2O4 + CH4O = C4H8O4 + H2O =>
4 C2H2O4 + 12 CH4O = 5 C4H8O4 + 8 H2O
K3P + SrBr2 = KBr + Sr3P2 =>
2 K3P + 3 SrBr2 = 6 KBr + Sr3P2
Hg + PO4 = Hg3(PO4)2 =>
3 Hg + 2 PO4 = Hg3(PO4)2
AgNO3 + K2SiO3 = KNO3 + Ag2SiO3 =>
2 AgNO3 + K2SiO3 = 2 KNO3 + Ag2SiO3
CH2 + H2O = CO2 + H2 =>
CH2 + 2 H2O = CO2 + 3 H2
Cr2O3 + HNO3 + KOH = KCrO4 + KNO2 + H2O =>
Cr2O3 + 4 HNO3 + 6 KOH = 2 KCrO4 + 4 KNO2 + 5 H2O
FeO2 = Fe + O =>
FeO2 = Fe + 2 O
Cr2O3(s) + Al(s) = AlO3 + Cr =>
Cr2O3(s) + Al(s) = AlO3 + 2 Cr
H2SO3 + Au = Au2(SO3) + H2 =>
H2SO3 + 2 Au = Au2(SO3) + H2
CH3COH + KMnO4 + H2SO4 = CH3COOH + KSO4 + MnSO4 + H2O =>
2 CH3COH + KMnO4 + 2 H2SO4 = 2 CH3COOH + KSO4 + MnSO4 + 2 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
I2O7 = I + O =>
I2O7 = 2 I + 7 O
I + OH = IO + H2O =>
I + 2 OH = IO + H2O
Mg + Fe(SO4)2 = MgSO4 + Fe =>
2 Mg + Fe(SO4)2 = 2 MgSO4 + Fe
Cu3(PO4)2 + MgCl2 = Mg3(PO4)2 + CuCl2 =>
Cu3(PO4)2 + 3 MgCl2 = Mg3(PO4)2 + 3 CuCl2
Na3[Ag(S2O3)2] = Ag2S + Na2SO4 + S =>
2 Na3[Ag(S2O3)2] = Ag2S + 3 Na2SO4 + 4 S
Cl2 + ZnBr2 = Br2 + ZnCl2 =>
Cl2 + ZnBr2 = Br2 + ZnCl2
W + HNO3 = WO3 + NO2 + H2O =>
W + 6 HNO3 = WO3 + 6 NO2 + 3 H2O
KI + Br{2} = KBr + I{2} =>
KI + Br{2} = KBr + I{2}
(NH4)2S + CoBr2 = NH4Br + CoS =>
(NH4)2S + CoBr2 = 2 NH4Br + CoS
Zn(NO3)2(aq) + NaOH(aq) = Zn(OH)2(s) + NaNO3(aq) =>
Zn(NO3)2(aq) + 2 NaOH(aq) = Zn(OH)2(s) + 2 NaNO3(aq)
CuOH = Cu2O + H2O =>
2 CuOH = Cu2O + H2O
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr2(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
2 PbCrO4 + 16 HCl + 6 FeSO4 = 2 PbCl2 + Cr2(SO4)3 + 4 FeCl3 + 8 H2O + Fe2(SO4)3
C10H15N + HCl = C10H16ClN =>
C10H15N + HCl = C10H16ClN
C2H4O + Cr2O7{2-} + H{+} = C2H4O2 + H2O + Cr3{+} =>
17 C2H4O + 3 Cr2O7{2-} + 8 H{+} = 17 C2H4O2 + 4 H2O + 2 Cr3{+}
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
Mg(ClO2)2 = Mg + Cl + O2 =>
Mg(ClO2)2 = Mg + 2 Cl + 2 O2
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Équations équilibrées sur10/26/24
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