| Équations équilibrées la veille |
HI + Br = HBr + I
CH2O2 + C2H5OH = CH3COOC2H5 + H2O =>
2 CH2O2 + 3 C2H5OH = 2 CH3COOC2H5 + 3 H2O
Zn(OH)2(s) + HNO3(aq) = Zn(NO3)2(aq) + H2O(g) =>
Zn(OH)2(s) + 2 HNO3(aq) = Zn(NO3)2(aq) + 2 H2O(g)
C5H4N4O3 + O2 = CO2 + HNO3 =>
2 C5H4N4O3 + 19 O2 = 10 CO2 + 8 HNO3
N + O2 = N10O4 =>
10 N + 2 O2 = N10O4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
K2CrO4 + K2C2O4 + KOH = K3CrO3 + K2CO3 + H2O =>
2 K2CrO4 + 3 K2C2O4 + 8 KOH = 2 K3CrO3 + 6 K2CO3 + 4 H2O
KMnO4 + Na2S2O3 + NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O =>
8 KMnO4 + Na2S2O3 + 10 NaOH = 4 K2MnO4 + 2 Na2SO4 + 4 Na2MnO4 + 5 H2O
NH{4}OH + H{3}PO{4} = (NH{4}){3}PO{4} + H{2}O =>
NH{4}OH + 3 H{3}PO{4} = (NH{4}){3}PO{4} + 3 H{2}O
K2Cr2O7 + Fe = K2O + Cr2 + Fe2O3 =>
K2Cr2O7 + 4 Fe = K2O + Cr2 + 2 Fe2O3
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
HAuCl4*3H2O + Na3C6H5O7 = HAu(C4H2O4)2 + H2O + NaCl =>
3 HAuCl4*3H2O + 4 Na3C6H5O7 = 3 HAu(C4H2O4)2 + 13 H2O + 12 NaCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CoCl2*6H2O = CoCl2 + H2O = CoCl2*6H2O =>
CoCl2*6H2O = CoCl2 + 6 H2O
Mn2S = S8 + Mn =>
8 Mn2S = S8 + 16 Mn
CH4O + NO3 = CO2 + NO2 + H =>
CH4O + NO3 = CO2 + NO2 + 4 H
(C2H5)4NBr + FeCl3 = (C2H5)4NFeBrCl3 =>
(C2H5)4NBr + FeCl3 = (C2H5)4NFeBrCl3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HI + Br = HBr + I =>
HI + Br = HBr + I
S2O32{-} + Br2 + H2O = Br{-} + SO42{-} + H{+} =>
2 S2O32{-} + 103 Br2 + 104 H2O = 206 Br{-} + 4 SO42{-} + 208 H{+}
As + F2 = AsF5 =>
2 As + 5 F2 = 2 AsF5
MgCl2 + NaOH = MgOH + NaCl2 =>
MgCl2 + NaOH = MgOH + NaCl2
CuFeS2 + HCl = CuCl2 + FeCl2 + H2S =>
CuFeS2 + 4 HCl = CuCl2 + FeCl2 + 2 H2S
C4H90 + OH = CO2 + H2O =>
C4H90 + 106 OH = 4 CO2 + 98 H2O
RbOH + H2Cr2O7 = Rb2Cr2O7 + H2O =>
2 RbOH + H2Cr2O7 = Rb2Cr2O7 + 2 H2O
S8 = S2 =>
S8 = 4 S2
HCl(aq) + Al(OH)3(aq) = H2O(l) + AlCl3(aq) =>
3 HCl(aq) + Al(OH)3(aq) = 3 H2O(l) + AlCl3(aq)
CH3COOCH3NH3 = CH3COOHCH3NH2 =>
CH3COOCH3NH3 = CH3COOHCH3NH2
NaOH + Br2 = NaBrO2 + NaBr + H2O =>
4 NaOH + 2 Br2 = NaBrO2 + 3 NaBr + 2 H2O
CuCl2 + I = Cl + CuI =>
CuCl2 + I = 2 Cl + CuI
O2 + H2 + C = C2H3O2 =>
2 O2 + 3 H2 + 4 C = 2 C2H3O2
HFCl3 + Al = HFCl2 + AlCl2 =>
2 HFCl3 + Al = 2 HFCl2 + AlCl2
(CH3CO)2*O + C7H6O3 = C9H8O4 =>
(CH3CO)2*O + 11 C7H6O3 = 9 C9H8O4
Na2SO3 + TeO2 + HCl = Na2SO4 + Te(Cl)2 + H2O =>
Na2SO3 + TeO2 + 2 HCl = Na2SO4 + Te(Cl)2 + H2O
Ga + S = S4Ga3 =>
3 Ga + 4 S = S4Ga3
C3H8 + ZrO2 = CO2 + Zr + H2O =>
C3H8 + 5 ZrO2 = 3 CO2 + 5 Zr + 4 H2O
Cu(lll)NO3 + NaOH = Cu(ll)OH + NaNO3 =>
Cu(lll)NO3 + NaOH = Cu(ll)OH + NaNO3
GaCl3 + H2O = Ga2O3 + HCl =>
2 GaCl3 + 3 H2O = Ga2O3 + 6 HCl
NaHCO3 + CH3CO2H = CH3COONa + H2CO3 =>
NaHCO3 + CH3CO2H = CH3COONa + H2CO3
Li2O + P2O5 = Li5P + O =>
5 Li2O + P2O5 = 2 Li5P + 10 O
NaOH + H2O2 = NaO2 + H =>
2 NaOH + H2O2 = 2 NaO2 + 4 H
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Ca(HCo3)2 + Ca(OH)2 = CaCo3 + H2O =>
Ca(HCo3)2 + Ca(OH)2 = 2 CaCo3 + 2 H2O
(NH4)3AsO4 + Mg(NO3)2 = NH4NO3 + Mg3(AsO4)2 =>
2(NH4)3AsO4 + 3 Mg(NO3)2 = 6 NH4NO3 + Mg3(AsO4)2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Fe + Ag(Cl) = Ag + Fe(Cl)3 =>
Fe + 3 Ag(Cl) = 3 Ag + Fe(Cl)3
H2 + ZnCl2(H2O) = HCl2(H2O) + Zn =>
H2 + 2 ZnCl2(H2O) = 2 HCl2(H2O) + 2 Zn
Fe + Ag(Cl) = Ag + Fe(Cl)3 =>
Fe + 3 Ag(Cl) = 3 Ag + Fe(Cl)3
Eu2O3 + HNO3 = H2O + NEu + O2 =>
Eu2O3 + 2 HNO3 = H2O + 2 NEu + 4 O2
I{+} + H2O = I2 + IO3{-} + H{+} =>
5 I{+} + 3 H2O = 2 I2 + IO3{-} + 6 H{+}
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