| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 I{-} + 16(H3O){+} + 2(MnO4){-} = 24 H2O + 5 I2 + 2 Mn{2+}
Al + H2O = AlH2O =>
Al + H2O = AlH2O
Sb2O5 + H2O = H3SbO4 =>
Sb2O5 + 3 H2O = 2 H3SbO4
PbCO3 + HCl = PbCl2 + H2CO3 =>
PbCO3 + 2 HCl = PbCl2 + H2CO3
Na2CO3 + H2O = Na2O + H2CO3 =>
Na2CO3 + H2O = Na2O + H2CO3
H4P2O7 + AgNO3 + NH3 = Ag4P2O7 + NH4NO3 =>
H4P2O7 + 4 AgNO3 + 4 NH3 = Ag4P2O7 + 4 NH4NO3
C20H42 = H2 + C60 =>
3 C20H42 = 63 H2 + C60
C12H22O12 + CaCO3 = C24H42CaO24 + H2O + CO2 =>
2 C12H22O12 + CaCO3 = C24H42CaO24 + H2O + CO2
C6H10O4 + CaCO3 = C6H8O4Ca2 + CO2 + H2O =>
14 C6H10O4 + 26 CaCO3 = 13 C6H8O4Ca2 + 32 CO2 + 18 H2O
NaCl + H2O = Na(OH) + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 Na(OH) + Cl2 + H2
MnSO4NaClONaOH = MnO2Na2SO4HCl =>
MnSO4NaClONaOH = MnO2Na2SO4HCl
Al + H2ClO3 = Al2(ClO3)3 + H2 =>
2 Al + 3 H2ClO3 = Al2(ClO3)3 + 3 H2
Cu2CO3 = Cu + CO2 + O2 =>
2 Cu2CO3 = 4 Cu + 2 CO2 + O2
Sr(NO3)2 + K2Cr2O7 = SrCr2O7 + KNO3 =>
Sr(NO3)2 + K2Cr2O7 = SrCr2O7 + 2 KNO3
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CuSCN + KIO3 + HCl = CuSO4 + KCl + HCN + ICl + H2O =>
4 CuSCN + 7 KIO3 + 14 HCl = 4 CuSO4 + 7 KCl + 4 HCN + 7 ICl + 5 H2O
C7H7Br + C7H8O2 + NaOH = C14H14O2 + NaBr + H2O =>
C7H7Br + C7H8O2 + NaOH = C14H14O2 + NaBr + H2O
C6H13Cl + O2 = CO2 + H2 + HCl =>
C6H13Cl + 6 O2 = 6 CO2 + 6 H2 + HCl
CH3COCH3 + [Ag(NH3)2]OH = CH3COONH4 + Ag + NH3 + H2O =>
2 CH3COCH3 + 8[Ag(NH3)2]OH = 3 CH3COONH4 + 8 Ag + 13 NH3 + 4 H2O
(NH4)2 + O = NO + H2O =>
(NH4)2 + 6 O = 2 NO + 4 H2O
H2(CO3) + Na(OH) = Na2CO3 + H2O =>
H2(CO3) + 2 Na(OH) = Na2CO3 + 2 H2O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Zn + PbCl2 = ZnCl2 + Pb =>
Zn + PbCl2 = ZnCl2 + Pb
Al + (NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al + (NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Cr(NO3)3 + KBiO3 + KOH = K2CrO4 + K3BiO3 + KNO3 + H2O =>
2 Cr(NO3)3 + 3 KBiO3 + 16 KOH = 2 K2CrO4 + 3 K3BiO3 + 6 KNO3 + 8 H2O
ZnS + O = ZnO + S =>
ZnS + O = ZnO + S
(NH4)2C2O4(aq) + Na2O(aq) = Na2C2O4 + (NH4)2O =>
(NH4)2C2O4(aq) + Na2O(aq) = Na2C2O4 + (NH4)2O
H3PO4(aq) + Sr(OH)2(s) = Sr3(PO4)2(s) + H2O(l) =>
2 H3PO4(aq) + 3 Sr(OH)2(s) = Sr3(PO4)2(s) + 6 H2O(l)
AuBr3 + Ag = AgBr + Au3 =>
3 AuBr3 + 9 Ag = 9 AgBr + Au3
FeCl2 + KMnO4 + HCl = FeCl3 + Cl2MnCl2 + KCl + H2O =>
3 FeCl2 + KMnO4 + 8 HCl = 3 FeCl3 + Cl2MnCl2 + KCl + 4 H2O
Zn(s) + HI(aq) = ZnI + H2 =>
2 Zn(s) + 2 HI(aq) = 2 ZnI + H2
PCl5 = PCl3 + Cl2 =>
PCl5 = PCl3 + Cl2
KN02 + KMnO4 + H2SO4 = KNO3 + MnSO4 + K2SO4 + H2O =>
5 KN02 + 11 KMnO4 + 14 H2SO4 = 10 KNO3 + 11 MnSO4 + 3 K2SO4 + 14 H2O
CrO4{2-} + H2O2 + H{+} = Cr2O12{2-} + H2O =>
2 CrO4{2-} + 5 H2O2 + 2 H{+} = Cr2O12{2-} + 6 H2O
H3AsO3 + BrO3{-} = H3AsO4 + Br{-} =>
3 H3AsO3 + BrO3{-} = 3 H3AsO4 + Br{-}
Na2SO4 + AlP = Na3P + Al2(SO4)3 =>
3 Na2SO4 + 2 AlP = 2 Na3P + Al2(SO4)3
CaF2(aq) + NH4Cl(aq) = CaCl2(aq) + NH4F(aq) =>
CaF2(aq) + 2 NH4Cl(aq) = CaCl2(aq) + 2 NH4F(aq)
HClNaOH = NaClH2O =>
HClNaOH = NaClH2O
Fe(ClO4)3 + Al = Al(ClO4)3 + Fe =>
Fe(ClO4)3 + Al = Al(ClO4)3 + Fe
NaCl + H2O = Na(OH) + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 Na(OH) + Cl2 + H2
HCl + AgCN = HCN + AgCl =>
HCl + AgCN = HCN + AgCl
Na2S2O3 + K2Cr2O7 + HCl = Na2SO4 + K2SO4 + KCl + CrCl3 + H2O =>
3 Na2S2O3 + 4 K2Cr2O7 + 26 HCl = 3 Na2SO4 + 3 K2SO4 + 2 KCl + 8 CrCl3 + 13 H2O
CH2Cu2O5 = CuO + CO2 + H2O =>
CH2Cu2O5 = 2 CuO + CO2 + H2O
Bi(NO3)5(aq) + Na2S(aq) = Bi2S5(s) + NaNO3(aq) =>
2 Bi(NO3)5(aq) + 5 Na2S(aq) = Bi2S5(s) + 10 NaNO3(aq)
SnI2 + KI = K + SnI4 =>
SnI2 + 2 KI = 2 K + SnI4
ZnCl2 + Cu(NO3)2 = CuCl2 + Zn(NO3)2 =>
ZnCl2 + Cu(NO3)2 = CuCl2 + Zn(NO3)2
Zn(s) + H2S(l) = ZnS(l) + H2(g) =>
Zn(s) + H2S(l) = ZnS(l) + H2(g)
CH3(CH2)14COOH + O2 = CO2 + H2O =>
CH3(CH2)14COOH + 23 O2 = 16 CO2 + 16 H2O
NO2(g) + H2O(i) = HNO2(ac) + HNO3(ac) =>
2 NO2(g) + H2O(i) = HNO2(ac) + HNO3(ac)
NaH3PO4 + H2O = H4PO4 + Na2O =>
2 NaH3PO4 + H2O = 2 H4PO4 + Na2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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