| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CO2 + 2 BaO2 = 2 BaCO3 + O2
Zn3(PO3)2 + CsNH2 = Zn(NH2)2 + Cs3PO3 =>
Zn3(PO3)2 + 6 CsNH2 = 3 Zn(NH2)2 + 2 Cs3PO3
C32H22N6Na2O6S2 + H2O = C32H24N6Na2O7S2 =>
C32H22N6Na2O6S2 + H2O = C32H24N6Na2O7S2
CH3NH3Cl + NaOH = CH3NH2 + NaCl + water =>
CH3NH3Cl + NaOH = CH3NH2 + NaCl + H2O
Al(OH)4{-} + H2SO4 = Al(OH)3 + H2O + SO4{-2} =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4{-2}
CO2 + LiOH(s) = Li2CO3(s) + H2O(l) =>
CO2 + 2 LiOH(s) = Li2CO3(s) + H2O(l)
CO + Cu = CuO + C =>
CO + Cu = CuO + C
(b)Eu2O3(s) + H2S(g) = EuS(s) + H2O(g) + S(g) =>
(b)Eu2O3(s) + 3 H2S(g) = 2 EuS(s) + 3 H2O(g) + S(g)
Na2CO3(aq) + NaCl(aq) = Na2CO3NaCl(aq) =>
Na2CO3(aq) + NaCl(aq) = Na2CO3NaCl(aq)
K2Cr2O7 + H2SO4 + C2H5OH = C2H4O + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 C2H5OH = 3 C2H4O + K2SO4 + Cr2(SO4)3 + 7 H2O
Na + F = Na3F =>
3 Na + F = Na3F
Si(NO3)4 + Ge = Ge(NO3)4 + Si =>
Si(NO3)4 + Ge = Ge(NO3)4 + Si
C4H6O2 + NaHCO3 = CO2 + Na + H2O =>
C4H6O2 + 18 NaHCO3 = 22 CO2 + 18 Na + 12 H2O
Na2BeO2 + H2S = Na2S + BeS + H2O =>
Na2BeO2 + 2 H2S = Na2S + BeS + 2 H2O
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
FeC2O4*H2O + O2 = Fe2O3 + CO2 + H2O =>
4 FeC2O4*H2O + 3 O2 = 2 Fe2O3 + 8 CO2 + 4 H2O
H(NO3) + Al(OH)3 = H2O + Al + NO3 =>
3 H(NO3) + Al(OH)3 = 3 H2O + Al + 3 NO3
NaBr(aq) + Ag(NO3)(aq) = Na(NO3)(aq) + AgBr(s) =>
NaBr(aq) + Ag(NO3)(aq) = Na(NO3)(aq) + AgBr(s)
Ba(NO3)2K2(SO4) = Ba(SO4)K2(NO3)2 =>
Ba(NO3)2K2(SO4) = Ba(SO4)K2(NO3)2
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
NaClO4 + CuC2H3O2 = NaC2H3O2 + CuClO4 =>
NaClO4 + CuC2H3O2 = NaC2H3O2 + CuClO4
B2O3 + C = B4C3 + CO2 =>
2 B2O3 + 6 C = B4C3 + 3 CO2
SiO2 + Fe(OH)2 = FeSiO3 + H2O =>
SiO2 + Fe(OH)2 = FeSiO3 + H2O
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Al + OH{-} = AlO{-} + H2 =>
2 Al + 2 OH{-} = 2 AlO{-} + H2
S{2-} + H2O2 = SO4{2-} + H2O =>
S{2-} + 4 H2O2 = SO4{2-} + 4 H2O
Au3S + H = Au + HS =>
Au3S + H = 3 Au + HS
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
(NH4)2SO3 + Pb(C2H3O2)2 = NH4C2H3O2 + PbSO3 =>
(NH4)2SO3 + Pb(C2H3O2)2 = 2 NH4C2H3O2 + PbSO3
MnCO3 + HBr = MnBr2 + H2O + CO2 =>
MnCO3 + 2 HBr = MnBr2 + H2O + CO2
HF(aq) + SiO2(s) = SiF4(aq) + H2O(l) =>
4 HF(aq) + SiO2(s) = SiF4(aq) + 2 H2O(l)
KNO3(S) = KNO2(S) + O2(g)02 =>
202 KNO3(S) = 202 KNO2(S) + O2(g)02
CH3CH2CH2CH2OH + CrO3 + H2SO4 = Cr2(SO4)3 + H2O + CH3CH2CH2COH =>
3 CH3CH2CH2CH2OH + 2 CrO3 + 3 H2SO4 = Cr2(SO4)3 + 6 H2O + 3 CH3CH2CH2COH
MnCl2 + HCl = MnHCl + Cl2 =>
MnCl2 + HCl = MnHCl + Cl2
HBr(aq) + Al(OH)3(aq) = AlBr3 + H2O(l) =>
3 HBr(aq) + Al(OH)3(aq) = AlBr3 + 3 H2O(l)
HNO3 + Cr(OH)3 = Cr + NO3 + H2O =>
3 HNO3 + Cr(OH)3 = Cr + 3 NO3 + 3 H2O
K2Cr2O7 + C2H5OH + H2SO4 = Cr2(SO4)3 + CH3CHO + K2SO4 + H2O =>
K2Cr2O7 + 3 C2H5OH + 4 H2SO4 = Cr2(SO4)3 + 3 CH3CHO + K2SO4 + 7 H2O
NaOH + O2 = NaO2 + H2O =>
4 NaOH + 3 O2 = 4 NaO2 + 2 H2O
Rb(NO3) + Na2S = Rb2S + Na(NO3) =>
2 Rb(NO3) + Na2S = Rb2S + 2 Na(NO3)
MnO2 + Cr = Mn + Cr2O7 =>
7 MnO2 + 4 Cr = 7 Mn + 2 Cr2O7
C6H6CH2OH + KMnO4 = KOH + H2O + MnO2 + KC6H5COO =>
3 C6H6CH2OH + 5 KMnO4 = 2 KOH + 5 H2O + 5 MnO2 + 3 KC6H5COO
Mg + AgNo3 = Mg(No3)2(aq) + Ag(s) =>
Mg + 2 AgNo3 = Mg(No3)2(aq) + 2 Ag(s)
Mn + Cl2 = Mn2Cl =>
4 Mn + Cl2 = 2 Mn2Cl
Ba(HSO3)2 = BaSO3 + H2O + SO2 =>
Ba(HSO3)2 = BaSO3 + H2O + SO2
C + H + O2 = CO2H3O =>
2 C + 6 H + 3 O2 = 2 CO2H3O
Co + Fe(NO3)3 = Fe + Co(NO3)3 =>
Co + Fe(NO3)3 = Fe + Co(NO3)3
Ca(ClO4)2 + Hg2(SO4)2 = Hg(ClO4)2 + Ca2(SO4)2 =>
2 Ca(ClO4)2 + Hg2(SO4)2 = 2 Hg(ClO4)2 + Ca2(SO4)2
P4 + Cl2 + F2 = PClF =>
P4 + 2 Cl2 + 2 F2 = 4 PClF
Au + K4[Fe(Cn)6] = Au[Fe(Cn)6] + K =>
Au + K4[Fe(Cn)6] = Au[Fe(Cn)6] + 4 K
Fe(s) + HNO3(aq) = FeNO3(aq) + H(g) =>
Fe(s) + HNO3(aq) = FeNO3(aq) + H(g)
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