| Équations équilibrées la veille | Équations équilibrées le lendemain |
(NH4)2SO3 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO3
FeSO4 + Al = Al2(SO4)3 + Fe =>
3 FeSO4 + 2 Al = Al2(SO4)3 + 3 Fe
YCO3 + HCl = YCl2 + H2O + CO2 =>
YCO3 + 2 HCl = YCl2 + H2O + CO2
GaBr3 + Na2SO4 = NaBr + Ga2(SO4)3 = =>
2 GaBr3 + 3 Na2SO4 = 6 NaBr + Ga2(SO4)3
Al + (Cu2)2SO4 = Cu + AlSO4 =>
Al + (Cu2)2SO4 = 4 Cu + AlSO4
H{+} + Cr2O7{-}2 + S = SO2 + Cr2O3 + H2O =>
4 H{+} + 4 Cr2O7{-}2 + 7 S = 7 SO2 + 4 Cr2O3 + 2 H2O
NaOH + C2H4Cl2 = Na + Cl + H2O + C =>
4 NaOH + C2H4Cl2 = 4 Na + 2 Cl + 4 H2O + 2 C
Ba(ClO3)2 + Al2(SO4)3 = Al(ClO3)3 + BaSO4 =>
3 Ba(ClO3)2 + Al2(SO4)3 = 2 Al(ClO3)3 + 3 BaSO4
CS2 + Cl2 = CCl4 + S =>
CS2 + 2 Cl2 = CCl4 + 2 S
NaI + Pb(OH)2 = PbI2 + NaOH =>
2 NaI + Pb(OH)2 = PbI2 + 2 NaOH
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
PbO2 + KOH + H2O = K4(Pb(OH)8) =>
PbO2 + 4 KOH + 2 H2O = K4(Pb(OH)8)
KI + Cu = KCuI =>
KI + Cu = KCuI
C4H9OH + Cr2O72{-} + H{+} = C3H7COOH + Cr3{+} + H2O =>
427 C4H9OH + 12 Cr2O72{-} + 20 H{+} = 427 C3H7COOH + 8 Cr3{+} + 437 H2O
KCl(aq) + CsOH(aq) = CsCl(aq) + KOH(aq) =>
KCl(aq) + CsOH(aq) = CsCl(aq) + KOH(aq)
C2H3NaO2 + C7H14O + CH6ClN3O = C8H17N3O + H2O + NaCl + C2H4O2 =>
C2H3NaO2 + C7H14O + CH6ClN3O = C8H17N3O + H2O + NaCl + C2H4O2
ClO3{-} + Zn + H{+} = Zn{2} + Cl{-} + H2O =>
ClO3{-} + 3 Zn + 6 H{+} = 3 Zn{2} + Cl{-} + 3 H2O
P + H2O = H2PO =>
P + H2O = H2PO
H3O + CO2 = O2 + C4H6 =>
2 H3O + 4 CO2 = 5 O2 + C4H6
MnO2 + O2 + KOH = H2O + K2MnO4 =>
2 MnO2 + O2 + 4 KOH = 2 H2O + 2 K2MnO4
K + H2 = HK =>
2 K + H2 = 2 HK
CuSO4 + Fe = Cu + Fe6(SO4)2 =>
2 CuSO4 + 6 Fe = 2 Cu + Fe6(SO4)2
Mg + N2 = Mg2N3 =>
4 Mg + 3 N2 = 2 Mg2N3
C3H80 + K2CrO7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
9 C3H80 + 92 K2CrO7 + 230 H2SO4 = 27 CO2 + 46 Cr2(SO4)3 + 92 K2SO4 + 590 H2O
Cs + Br2 = CsBr2 =>
Cs + Br2 = CsBr2
CaCO3(s) + C2H5CO2H(aq) = CaC2H5CO2(aq) + H2O(l) + CO2(g) =>
14 CaCO3(s) + 15 C2H5CO2H(aq) = 14 CaC2H5CO2(aq) + 10 H2O(l) + 17 CO2(g)
C2H6O(aq) + O2(g) = H2O(g) + CO2(g) =>
C2H6O(aq) + 3 O2(g) = 3 H2O(g) + 2 CO2(g)
NaY + AgNO3 = NaNO3 + AgY =>
NaY + AgNO3 = NaNO3 + AgY
CuO + SO4 = CuSO4 + O2 =>
2 CuO + 2 SO4 = 2 CuSO4 + O2
Fe3O4 + CO + SiO2 = Fe2SiO4 + CO2 =>
2 Fe3O4 + 2 CO + 3 SiO2 = 3 Fe2SiO4 + 2 CO2
(NH4)2SO3 + NaOH = NH3 + H2O + Na2SO3 =>
(NH4)2SO3 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO3
MgBr2 + KOH = KBr + Mg(OH)2 =>
MgBr2 + 2 KOH = 2 KBr + Mg(OH)2
C6H + O2 = H2O + C =>
4 C6H + O2 = 2 H2O + 24 C
CH3COBr + C6H6 = CH3COBrH + C6H5 =>
CH3COBr + C6H6 = CH3COBrH + C6H5
NiCl2 + H2O + NH4OH = Ni(H2O)6 + NH4Cl + OH =>
NiCl2 + 6 H2O + 2 NH4OH = Ni(H2O)6 + 2 NH4Cl + 2 OH
H2SO4 + Zn = Zn(OH)2 + SO2 =>
H2SO4 + Zn = Zn(OH)2 + SO2
La(NO3)3 + C6H12N4 = La2O3 + CO2 + N2 + H2O =>
12 La(NO3)3 + 5 C6H12N4 = 6 La2O3 + 30 CO2 + 28 N2 + 30 H2O
NaOH(s)NaOH(s) = Na2O(s) + H2O(g) =>
NaOH(s)NaOH(s) = Na2O(s) + H2O(g)
C3H8 + Cl2 = C + HCl =>
C3H8 + 4 Cl2 = 3 C + 8 HCl
XAl + XKOH + XH2SO4 = XKAl(SO4)2 + XH2 + XOH =>
XAl + XKOH + 2 XH2SO4 = XKAl(SO4)2 + 2 XH2 + XOH
CaCO3 + H3O{+} = CO2 + H2O + Ca{2+} =>
CaCO3 + 2 H3O{+} = CO2 + 3 H2O + Ca{2+}
Sb2O5 + NaOH = Na2SbO4 + H2O + H2 =>
Sb2O5 + 4 NaOH = 2 Na2SbO4 + H2O + H2
NO2 + BaSO4 = Ba(NO3)2 + SO2 =>
2 NO2 + BaSO4 = Ba(NO3)2 + SO2
Sr + HCl = SrCl2 + H =>
Sr + 2 HCl = SrCl2 + 2 H
Ba + (SO4)3 = Ba3(SO4)2 =>
9 Ba + 2(SO4)3 = 3 Ba3(SO4)2
H3PO4 + CaOH2 = CaPO4 + H2O + H =>
H3PO4 + CaOH2 = CaPO4 + H2O + 3 H
As2S5 + HNO3 = H3AsO4 + H2O + NO2 + SO2 =>
As2S5 + 30 HNO3 = 2 H3AsO4 + 12 H2O + 30 NO2 + 5 SO2
Na(HCO3)5 + H(C2H3O2) = Na(C2H3O2) + CO2 + H2O =>
2 Na(HCO3)5 + 3 H(C2H3O2) = 2 Na(C2H3O2) + 12 CO2 + 8 H2O
Na2S + KMnO4 + H2O = H2SO4 + MnO2 + NaOH + KOH =>
3 Na2S + 8 KMnO4 + 10 H2O = 3 H2SO4 + 8 MnO2 + 6 NaOH + 8 KOH
H2S + Fe(OH)2 = SFe + H2O =>
H2S + Fe(OH)2 = SFe + 2 H2O
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