| Équations équilibrées la veille |
6 NaBr + N2 = 2 Na3N + 3 Br2
Al2(SO4)3 + Ca(OH)2 = CaSO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Ca(OH)2 = 3 CaSO4 + 2 Al(OH)3
SiO2 + H2O = Si + H2O3 =>
SiO2 + H2O = Si + H2O3
As2S3 + H2O2 = AsO4{3-} + SO4{2-} + H2O + H{+} =>
As2S3 + 14 H2O2 = 2 AsO4{3-} + 3 SO4{2-} + 8 H2O + 12 H{+}
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
MgI2 + H2O = MgO + HI =>
MgI2 + H2O = MgO + 2 HI
O2 + Na2S5 = SO2 + Na2S2O3 =>
9 O2 + 2 Na2S5 = 6 SO2 + 2 Na2S2O3
NaOH + C2H5COOH = H2OC2H5COONa =>
NaOH + C2H5COOH = H2OC2H5COONa
Cu + (NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu + (NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
KMnO4 + Na2SO3 + KOH = Na2SO4 + K3MnO4 + H2O =>
KMnO4 + Na2SO3 + 2 KOH = Na2SO4 + K3MnO4 + H2O
Ti + B4C = TiB + TiC =>
5 Ti + B4C = 4 TiB + TiC
NaOH(aq)KCl(aq) = NaCl(aq)KOH(aq) =>
NaOH(aq)KCl(aq) = NaCl(aq)KOH(aq)
OH{-} + ClO{-} + CrO2 = Cl{-} + CrO4{-2} + H2O =>
2 OH{-} + ClO{-} + CrO2 = Cl{-} + CrO4{-2} + H2O
H2S + K2Cr2O7 + HCl = CrCl3 + KCl + S + H2O =>
3 H2S + K2Cr2O7 + 8 HCl = 2 CrCl3 + 2 KCl + 3 S + 7 H2O
KCl(aq) + CaS(aq) = K2S + CaCl2 =>
2 KCl(aq) + CaS(aq) = K2S + CaCl2
[Cu(NH3)4]SO4 + H2S = CuS + (NH4)2SO4 + NH3 =>
[Cu(NH3)4]SO4 + H2S = CuS + (NH4)2SO4 + 2 NH3
Ag + HI = AgI + H2 =>
2 Ag + 2 HI = 2 AgI + H2
HCONH2 = NH3CO =>
HCONH2 = NH3CO
KCl(aq) + CaS(aq) = KCa + ClS =>
KCl(aq) + CaS(aq) = KCa + ClS
M2O3 + HCl = MCl3 + H2O =>
M2O3 + 6 HCl = 2 MCl3 + 3 H2O
SeO2 + N2H4 = Se + H2O + N2 =>
SeO2 + N2H4 = Se + 2 H2O + N2
SiO = Si + O =>
SiO = Si + O
Br2 + K3[Cr(OH)6] + KOH = KBr + K2CrO4 + H2O =>
3 Br2 + 2 K3[Cr(OH)6] + 4 KOH = 6 KBr + 2 K2CrO4 + 8 H2O
C4H10 + O2(g) = CO2 + H2O =>
2 C4H10 + 13 O2(g) = 8 CO2 + 10 H2O
MnO4{-} + SO3{-} + OH{-} = MnO4{3-} + SO4{2-} + H2O =>
MnO4{-} + 2 SO3{-} + 4 OH{-} = MnO4{3-} + 2 SO4{2-} + 2 H2O
H2S + KI = K2S + HI =>
H2S + 2 KI = K2S + 2 HI
Na2S2O8(aq) + Cu(s) = Na2SO4(aq) + CuSO4(aq) =>
Na2S2O8(aq) + Cu(s) = Na2SO4(aq) + CuSO4(aq)
SnCl2(aq) + H2S(g) = SnS(s) + HCl(aq) =>
SnCl2(aq) + H2S(g) = SnS(s) + 2 HCl(aq)
H2S + KI = K2S + HI =>
H2S + 2 KI = K2S + 2 HI
LiCl + AgNO3 = LiNO3 + AgCl =>
LiCl + AgNO3 = LiNO3 + AgCl
NaOH + I2 = NaI + O2 + H2O =>
4 NaOH + 2 I2 = 4 NaI + O2 + 2 H2O
Fe(NO3)2 + (K2)S = FeS + KNO3 =>
Fe(NO3)2 + (K2)S = FeS + 2 KNO3
KOH(aq) = K(aq) + OH(aq) =>
KOH(aq) = K(aq) + OH(aq)
Ti + B4C = TiB2 + TiC =>
3 Ti + B4C = 2 TiB2 + TiC
KCl(aq) + CaS(aq) = KS(aq) + CaCl(aq) =>
KCl(aq) + CaS(aq) = KS(aq) + CaCl(aq)
H2SO4 + NaOH = HSO4{-} + NaOH2{+} =>
H2SO4 + NaOH = HSO4{-} + NaOH2{+}
CaCO3(s) + HCl(l) = CaCl2(s) + H2O(g) + CO2(g) =>
CaCO3(s) + 2 HCl(l) = CaCl2(s) + H2O(g) + CO2(g)
FeS + AlCl3 = FeCl2 + Al2S3 =>
3 FeS + 2 AlCl3 = 3 FeCl2 + Al2S3
KCl(aq) + CaS(aq) = KS(aq) + CaCl(s) =>
KCl(aq) + CaS(aq) = KS(aq) + CaCl(s)
KCl(aq) + CaS(aq) = K2S(aq) + CaCl2(aq) =>
2 KCl(aq) + CaS(aq) = K2S(aq) + CaCl2(aq)
CuCl2 + F = FCl + Cu2 =>
2 CuCl2 + 4 F = 4 FCl + Cu2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2S3 + H2O(l) = Al(OH)3 + H2S(g) =>
Al2S3 + 6 H2O(l) = 2 Al(OH)3 + 3 H2S(g)
C8H9O2N + O2 = CO2 + H2O + N =>
4 C8H9O2N + 37 O2 = 32 CO2 + 18 H2O + 4 N
Sc + HI = ScI + H =>
Sc + HI = ScI + H
Sn2F2 = SnF =>
Sn2F2 = 2 SnF
SiO = Si + O =>
SiO = Si + O
KCl(aq) + CaS(aq) = KCa + ClS =>
KCl(aq) + CaS(aq) = KCa + ClS
Ag + HI = AgI + H2 =>
2 Ag + 2 HI = 2 AgI + H2
Al2S3 + H2O(l) = Al(OH)3(s) + H2S(g) =>
Al2S3 + 6 H2O(l) = 2 Al(OH)3(s) + 3 H2S(g)
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Équations équilibrées sur11/13/24
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