| Équations équilibrées la veille |
N(s) + 2 HCl(aq) = H2(g) + NCl2(aq)
S2O3{-2} + O2 = S + SO4{-2} =>
2 S2O3{-2} + O2 = 2 S + 2 SO4{-2}
PtHCl = PtClH =>
PtHCl = PtClH
SiO2KCO3 = KSiO3CO2 =>
SiO2KCO3 = KSiO3CO2
TiC + H2O = Ti2O3 + CO + H =>
2 TiC + 5 H2O = Ti2O3 + 2 CO + 10 H
Zn(CH3COO)2 + Na2S = ZnS + NaCH3COO =>
Zn(CH3COO)2 + Na2S = ZnS + 2 NaCH3COO
I2 + KNO3 + H2O = KIO3 + HNO3 + HI =>
3 I2 + KNO3 + 3 H2O = KIO3 + HNO3 + 5 HI
S2 + O = SO =>
S2 + 2 O = 2 SO
As + NaClO + NaOH + H2O = NaCl + NaH2AsO4 =>
2 As + 5 NaClO + 2 NaOH + H2O = 5 NaCl + 2 NaH2AsO4
H{2}OCaCl{2} = H{2} =>
H{2}OCaCl{2} = H{2}
XeF2 + H2O + Mo = MoF2O2 + H + Xe =>
XeF2 + 2 H2O + Mo = MoF2O2 + 4 H + Xe
AgNO3 + NaCo3 = AgCo3 + NO3 + Na =>
AgNO3 + NaCo3 = AgCo3 + NO3 + Na
CH3MgBr + C3H6O = C10H22O + CO2 + MgBrOH =>
CH3MgBr + 7 C3H6O = 2 C10H22O + 2 CO2 + MgBrOH
Na2OSO3 = Na2SO4 =>
Na2OSO3 = Na2SO4
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
FeCl3KBrCCl4 = FeCl4KCl3BrC =>
FeCl3KBrCCl4 = FeCl4KCl3BrC
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
NaNO3(aq) + (NH4)2CO3(aq) = Na2CO3(aq) + (NH4)NO3(aq) =>
2 NaNO3(aq) + (NH4)2CO3(aq) = Na2CO3(aq) + 2(NH4)NO3(aq)
NH2OH*H2O + K2Cr2O7 = Cr(OH)3 + N2 + KOH + H2O =>
6 NH2OH*H2O + K2Cr2O7 = 2 Cr(OH)3 + 3 N2 + 2 KOH + 11 H2O
WF6 + SiGe = W + SiF4 + Ge =>
2 WF6 + 3 SiGe = 2 W + 3 SiF4 + 3 Ge
H{+} + ZnS + NO3{-}{+} = Zn{2+} + S + NO + H2O =>
8 H{+} + 3 ZnS + 2 NO3{-}{+} = 3 Zn{2+} + 3 S + 2 NO + 4 H2O
H2O + Cu = Cu2O5 + H2 =>
5 H2O + 2 Cu = Cu2O5 + 5 H2
Al + KOH + H2SO4 + H2O = KAl2(SO4)2*12H2O + H2 =>
4 Al + 2 KOH + 4 H2SO4 + 22 H2O = 2 KAl2(SO4)2*12H2O + 3 H2
HNO3 + AgNO2 = AgNO3 + H2O + NO2 =>
2 HNO3 + AgNO2 = AgNO3 + H2O + 2 NO2
OH + K2CO2 = K2CO3 + H2O =>
2 OH + K2CO2 = K2CO3 + H2O
Ca3N2 + NaCl = CaCl2 + Na3N =>
Ca3N2 + 6 NaCl = 3 CaCl2 + 2 Na3N
Li(s) + Au{3+}(aq) = Li{+}(aq) + Au(s) =>
3 Li(s) + Au{3+}(aq) = 3 Li{+}(aq) + Au(s)
FeSO4 + KMnO4 + H2SO4 = MnSO4 + Fe2(SO4)3 + K2(SO4) + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 5 Fe2(SO4)3 + K2(SO4) + 8 H2O
C5H8H2O = C5H10O =>
C5H8H2O = C5H10O
KIO3 + Na2S2O3 + HCl + KI = Na2S4O6 + NaI + KOCl + H2O =>
KIO3 + 2 Na2S2O3 + 2 HCl + KI = Na2S4O6 + 2 NaI + 2 KOCl + H2O
BaS + ZnBr2 = BaBr2 + ZnS =>
BaS + ZnBr2 = BaBr2 + ZnS
HNO3 + H2S = H2SO4 + NO2 + H2 =>
4 HNO3 + H2S = H2SO4 + 4 NO2 + 2 H2
KMnO4 + NaSO3 + H2O = NaSO4 + MnO2 + KOH =>
2 KMnO4 + 3 NaSO3 + H2O = 3 NaSO4 + 2 MnO2 + 2 KOH
Na2B4O7*10H2O + CH3COOH = H3BO3 + NaCH3COO + H2O =>
Na2B4O7*10H2O + 2 CH3COOH = 4 H3BO3 + 2 NaCH3COO + 5 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuO2H2 = Cu(OH)2 =>
CuO2H2 = Cu(OH)2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
H2SO4 + Pb(OH)4 = H2O + Pb(SO4)2 =>
2 H2SO4 + Pb(OH)4 = 4 H2O + Pb(SO4)2
Na2Cr2O7 + HCl = NaCl + CrCl + H2O + Cl2 =>
Na2Cr2O7 + 14 HCl = 2 NaCl + 2 CrCl + 7 H2O + 5 Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
PbO2 + KNO2 + H2SO4 = KNO3 + PbSO4 + H2O =>
PbO2 + KNO2 + H2SO4 = KNO3 + PbSO4 + H2O
Br + AgI = BrI + Ag =>
Br + AgI = BrI + Ag
KClO + NH3 = N2 + KCl + H2O =>
3 KClO + 2 NH3 = N2 + 3 KCl + 3 H2O
MnO4{-}(aq) + H2SO3(aq) + H{+} = Mn{2+}(aq) + HSO4{-}(aq) + H2O =>
2 MnO4{-}(aq) + 5 H2SO3(aq) + H{+} = 2 Mn{2+}(aq) + 5 HSO4{-}(aq) + 3 H2O
H2O + NaI + NaClO = Na{+} + Cl{-} + I2 + OH{-} =>
H2O + 2 NaI + NaClO = 3 Na{+} + Cl{-} + I2 + 2 OH{-}
Ca + H2O = Ca(OH)2 + H2(classification) =>
Ca + 2 H2O = Ca(OH)2 + H2(classification)
C2H4O + KMnO4 + KOH = C2H3O2K + K2MnO4 + H2O =>
C2H4O + 2 KMnO4 + 3 KOH = C2H3O2K + 2 K2MnO4 + 2 H2O
Ba + SO4 = BaSO4 =>
Ba + SO4 = BaSO4
ZnSiO3 + HCl = ZnCl2 + H2O + SiO2 =>
ZnSiO3 + 2 HCl = ZnCl2 + H2O + SiO2
KJ + Pb(NO3)2 = KJNO3 + Pb =>
2 KJ + Pb(NO3)2 = 2 KJNO3 + Pb
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