| Équations équilibrées la veille |
K2Cr2O7 + 3 H2 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 7 H2O
NH + O2 + CH4 = HCN + H2O =>
NH + O2 + CH4 = HCN + 2 H2O
NaOH + Na(CH3COO) = CH4 + Na2CO3 =>
NaOH + Na(CH3COO) = CH4 + Na2CO3
K3[Fe(C2O4)3]*3H2O + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + CO2 + H2O =>
10 K3[Fe(C2O4)3]*3H2O + 12 KMnO4 + 48 H2SO4 = 5 Fe2(SO4)3 + 12 MnSO4 + 21 K2SO4 + 60 CO2 + 78 H2O
HCl(aq) + NaHCO3(aq) = NaCl(aq) + H2O + CO2(g) =>
HCl(aq) + NaHCO3(aq) = NaCl(aq) + H2O + CO2(g)
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
Zn(OH)2 + NaBr = ZnBr2 + NaOH =>
Zn(OH)2 + 2 NaBr = ZnBr2 + 2 NaOH
Cu(NO3)2 + NH3 = Cu(NH3) + NO3 =>
Cu(NO3)2 + NH3 = Cu(NH3) + 2 NO3
FeBr3 + Zn = ZnBr2 + Fe =>
2 FeBr3 + 3 Zn = 3 ZnBr2 + 2 Fe
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaCN + Cl2 + NaOH = CO2 + N2 + NaCl + H2O =>
2 NaCN + 5 Cl2 + 8 NaOH = 2 CO2 + N2 + 10 NaCl + 4 H2O
C76H52O46 + Fe2O3 = Fe(C76H50O46) + H2O + O2 =>
4 C76H52O46 + 2 Fe2O3 = 4 Fe(C76H50O46) + 4 H2O + O2
LiF + KCl = FCl + KLi =>
LiF + KCl = FCl + KLi
HCl + NaF = NaCl + HF =>
HCl + NaF = NaCl + HF
HCl + MnO7 = MnCl7 + H2O + Cl2 =>
28 HCl + 2 MnO7 = 2 MnCl7 + 14 H2O + 7 Cl2
Cu + Ag = CuAg =>
Cu + Ag = CuAg
BaCl2 + Na2CO3 = Cl2Na2 + BaCO3 =>
BaCl2 + Na2CO3 = Cl2Na2 + BaCO3
V2O5 + H{+} + Cl{-} = V3{+} + Cl2 + H2O =>
3 V2O5 + 30 H{+} + 28 Cl{-} = 2 V3{+} + 14 Cl2 + 15 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
NH4OH + H3BO3 = NH4H2BO3 + H2O =>
NH4OH + H3BO3 = NH4H2BO3 + H2O
H3BO3 + NH4OH = HOH + (NH4)3BO3 =>
H3BO3 + 3 NH4OH = 3 HOH + (NH4)3BO3
CuCl2 + CH3CH2OH = CH3CH2OHCuCl2 =>
CuCl2 + CH3CH2OH = CH3CH2OHCuCl2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Na2SO4 + Cu2CO3 + H2SO4 = H2CO3 + CuSO4 + Na =>
Na2SO4 + Cu2CO3 + H2SO4 = H2CO3 + 2 CuSO4 + 2 Na
Nd2O2CO3 = Nd2O3 + CO2 =>
Nd2O2CO3 = Nd2O3 + CO2
Zn + HgCl2 = Hg + Zn2Cl =>
4 Zn + HgCl2 = Hg + 2 Zn2Cl
Ca3(PO4)2 + H3PO4 = H2PO4 + Ca =>
Ca3(PO4)2 + 4 H3PO4 = 6 H2PO4 + 3 Ca
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
K2SO4 + HNO3 = H2SO4 + KNO3 =>
K2SO4 + 2 HNO3 = H2SO4 + 2 KNO3
CO2(g) + CaSiO3(g) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq) =>
2 CO2(g) + CaSiO3(g) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq)
NaNO2 + NaClO3 = NaNO3 + NaCl =>
3 NaNO2 + NaClO3 = 3 NaNO3 + NaCl
HS + O = H2O + SO =>
2 HS + 3 O = H2O + 2 SO
C4H10 + CuO = C4H8O + Cu + H2O =>
C4H10 + 2 CuO = C4H8O + 2 Cu + H2O
Pb + Sn(ClO3)4 = Sn + Pb(ClO3)2 =>
2 Pb + Sn(ClO3)4 = Sn + 2 Pb(ClO3)2
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
PbCl2 + LiOH = Pb(OH)2 + LiCl =>
PbCl2 + 2 LiOH = Pb(OH)2 + 2 LiCl
P + KCIO3 = KCI + P2O5 =>
6 P + 5 KCIO3 = 5 KCI + 3 P2O5
FeSO4 + BaO = BaSO4 + FeO =>
FeSO4 + BaO = BaSO4 + FeO
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
AgNO3 + Al(Cl)3 = AgCl + Al(NO3)3 =>
3 AgNO3 + Al(Cl)3 = 3 AgCl + Al(NO3)3
Fe + NO = FeO + N2 =>
2 Fe + 2 NO = 2 FeO + N2
C8H8O2 + H2O = C7H6O2 + CH3OH =>
C8H8O2 + H2O = C7H6O2 + CH3OH
Ca3(PO4)2 + Na2CO3 = CaCO3 + Na3PO4 =>
Ca3(PO4)2 + 3 Na2CO3 = 3 CaCO3 + 2 Na3PO4
CH3COCH3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + CH3COOH =>
10 CH3COCH3 + 8 KMnO4 + 12 H2SO4 = 12 H2O + 4 K2SO4 + 8 MnSO4 + 15 CH3COOH
HS + O = HO + S =>
HS + O = HO + S
K2SO4 + Mg(OH)2 = K2(OH)2 + MgSO4 =>
K2SO4 + Mg(OH)2 = K2(OH)2 + MgSO4
Cu2O + OH{-} = HCuO2{-} + H2O + e =>
Cu2O + 4 OH{-} = 2 HCuO2{-} + H2O + 2e
H3BO3 + NH4OH = HOH + (NH4)3BO3 =>
H3BO3 + 3 NH4OH = 3 HOH + (NH4)3BO3
Fe3O4 + O2 + H2O = FeO(OH) =>
4 Fe3O4 + O2 + 6 H2O = 12 FeO(OH)
AsO3 + I2 + H2O = AsO4 + I{-} + H{+} =>
AsO3 + I2 + H2O = AsO4 + 2 I{-} + 2 H{+}
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Équations équilibrées sur10/15/24
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