| Équations équilibrées la veille |
2 MnO{-}4 + 4 H{+} + NO{+}2 = 2 Mn{2+} + NO{-}3 + 2 H2O
K(Cr(OH)4) + Cl2 + KOH = K2CrO4 + KCl + H2O =>
2 K(Cr(OH)4) + 3 Cl2 + 8 KOH = 2 K2CrO4 + 6 KCl + 8 H2O
Cr2O2{2-} + C2H5OH = Cr{3-} + CH3CHO + H2O + H{+} =>
Cr2O2{2-} + 4 C2H5OH = 2 Cr{3-} + 4 CH3CHO + 2 H2O + 4 H{+}
OH{-} + H3C{+} = H4OC =>
OH{-} + H3C{+} = H4OC
NH4HS + KHSO4 = (NH4)2SO4 + K2SO4 + H2S =>
2 NH4HS + 2 KHSO4 = (NH4)2SO4 + K2SO4 + 2 H2S
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
(NH4)2S(aq) + Ni(NO3)3(aq) = NH4NO3 + Ni2S3 =>
3(NH4)2S(aq) + 2 Ni(NO3)3(aq) = 6 NH4NO3 + Ni2S3
Co + KI = CoI + K =>
Co + KI = CoI + K
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
Cl + N2 = ClN2 =>
Cl + N2 = ClN2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H{+} + MnO4{-} + Fe2 = Mn{2+} + Fe{3+} + H2O =>
48 H{+} + 6 MnO4{-} + 5 Fe2 = 6 Mn{2+} + 10 Fe{3+} + 24 H2O
MgCl2 + Ca3(AsO3)2 = Mg3(AsO3)2 + CaCl2 =>
3 MgCl2 + Ca3(AsO3)2 = Mg3(AsO3)2 + 3 CaCl2
UUO + O2 = UUOO2 =>
UUO + O2 = UUOO2
NaI + AgHCO3 = AgI + NaHCO3 =>
NaI + AgHCO3 = AgI + NaHCO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K4[Fe(CN)6] + FeSO4 = Fe4[Fe(CN)6]2 + K2SO4 =>
2 K4[Fe(CN)6] + 4 FeSO4 = Fe4[Fe(CN)6]2 + 4 K2SO4
HNO3(aq) + Mg(s) = MgN2O6(aq) + H(g) =>
2 HNO3(aq) + Mg(s) = MgN2O6(aq) + 2 H(g)
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
NiSO4 + (NH4)2S = NiS + NH3 + H2SO4 =>
NiSO4 + (NH4)2S = NiS + 2 NH3 + H2SO4
K2CrO4 + HCl + NaOH = KO + Na2CrO + H2O + Cl =>
K2CrO4 + 4 HCl + 2 NaOH = 2 KO + Na2CrO + 3 H2O + 4 Cl
Ba(s) + Ni3(PO4)2(aq) = Ni2 + Ba3(PO4)2 =>
6 Ba(s) + 2 Ni3(PO4)2(aq) = 3 Ni2 + 2 Ba3(PO4)2
C2H8N2 + HCl = C2H9N2 + Cl =>
C2H8N2 + HCl = C2H9N2 + Cl
AgC2H3O2 + CoI2 = AgI2 + CoC2H3O2 =>
AgC2H3O2 + CoI2 = AgI2 + CoC2H3O2
Br + KOH = KBr + KBrO4 + H2O =>
8 Br + 8 KOH = 7 KBr + KBrO4 + 4 H2O
LiBr + F = Li + FBr =>
LiBr + F = Li + FBr
Ba(CH3COOH) + CrI3 = BaI3 + Cr(CH3COOH) =>
Ba(CH3COOH) + CrI3 = BaI3 + Cr(CH3COOH)
NH4OH + N2O5 = NH4NO3 + H2O =>
2 NH4OH + N2O5 = 2 NH4NO3 + H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Na2SO3 + H2SO4 + KMnO4 = K2SO4 + Na2SO4 + MnSO4 + H2O =>
5 Na2SO3 + 3 H2SO4 + 2 KMnO4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 3 H2O
Na + HOH = NaOH + H =>
Na + HOH = NaOH + H
C6H5OH + LiOH = C6H5OLi + H2O =>
C6H5OH + LiOH = C6H5OLi + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2O + AlH3 = Al(OH)3 + H2 =>
3 H2O + AlH3 = Al(OH)3 + 3 H2
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
C2 + O2 = CO2 =>
C2 + 2 O2 = 2 CO2
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
KCN + HOH = HCN + KOH =>
KCN + HOH = HCN + KOH
SiO2 + C + Fe3(PO4)2 = CO + FeSiO3 + P4 =>
6 SiO2 + 10 C + 2 Fe3(PO4)2 = 10 CO + 6 FeSiO3 + P4
CuSO4 + NH4(OH) = Cu(OH)2 + (NH4)2SO4 =>
CuSO4 + 2 NH4(OH) = Cu(OH)2 + (NH4)2SO4
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
H2S + NO2 = H2O + NO + SO3 =>
H2S + 4 NO2 = H2O + 4 NO + SO3
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
P4(s) + F2(g) = PF3(g) =>
P4(s) + 6 F2(g) = 4 PF3(g)
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
C6H8O6 + O2 = CO2 + H2O =>
C6H8O6 + 5 O2 = 6 CO2 + 4 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
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Équations équilibrées sur12/18/24
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