| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HNo3 + CaCO3 = Ca(No3)2 + H2O + CO2
MgSO4 + FeCl3 = Mg3(Cl3)2 + Fe2(SO4)3 =>
3 MgSO4 + 2 FeCl3 = Mg3(Cl3)2 + Fe2(SO4)3
Na2S + NaBr = Na + Br2S =>
Na2S + 2 NaBr = 4 Na + Br2S
Zn(No3)2 + SnCl2 = ZnCl2 + Sn(No3)2 =>
Zn(No3)2 + SnCl2 = ZnCl2 + Sn(No3)2
AsO4{-3} + NO2{-} + H2O = AsO2{-} + NO3{-} + OH{-} =>
AsO4{-3} + NO2{-} + H2O = AsO2{-} + NO3{-} + 2 OH{-}
CuCl + C2H3Cl + FeSi2 = Cu2C2 + FeCl2 + SiH =>
4 CuCl + 2 C2H3Cl + 3 FeSi2 = 2 Cu2C2 + 3 FeCl2 + 6 SiH
KI + Hg(NO3)2 = I2 + Hg + KNO3 =>
2 KI + Hg(NO3)2 = I2 + Hg + 2 KNO3
O2 + K2S = S + K2O =>
O2 + 2 K2S = 2 S + 2 K2O
CuCl2 + O2 = Cu(ClO)2 =>
CuCl2 + O2 = Cu(ClO)2
NaHSO3 + NaIO3 = Na2SO4 + NaHSO4 + I2 + H2O =>
5 NaHSO3 + 2 NaIO3 = 2 Na2SO4 + 3 NaHSO4 + I2 + H2O
Li2OHCl = LiOHLiCl =>
Li2OHCl = LiOHLiCl
Au + H2SeO4 = Au2(SeO4)3 + H2SeO3 + H2O =>
2 Au + 6 H2SeO4 = Au2(SeO4)3 + 3 H2SeO3 + 3 H2O
Fe + AgSCN = Ag + Fe(SCN)2 =>
Fe + 2 AgSCN = 2 Ag + Fe(SCN)2
Cr(SO4)2 + Al = Al2(SO4)3 + Cr =>
3 Cr(SO4)2 + 4 Al = 2 Al2(SO4)3 + 3 Cr
Ta + H2O = Ta2O5 + H2 =>
2 Ta + 5 H2O = Ta2O5 + 5 H2
FeSO4 + Fe(NO3)3 = Fe(NO3)2 + Fe2(SO4)3 =>
3 FeSO4 + 2 Fe(NO3)3 = 3 Fe(NO3)2 + Fe2(SO4)3
Na + PO4 + MgCl2 = Mg(PO4)2 + NaCl =>
2 Na + 2 PO4 + MgCl2 = Mg(PO4)2 + 2 NaCl
CaCl{2} = Ca{2} + Cl =>
CaCl{2} = Ca{2} + Cl
K2CrO4 + NO + H2SO4 = Cr2(SO4)3 + HNO3 + K2SO4 + H2O =>
2 K2CrO4 + 2 NO + 5 H2SO4 = Cr2(SO4)3 + 2 HNO3 + 2 K2SO4 + 4 H2O
AlPO4(aq) + MgSO4(aq) = Al2(SO4)3(aq) + Mg3(PO4)2(s) =>
2 AlPO4(aq) + 3 MgSO4(aq) = Al2(SO4)3(aq) + Mg3(PO4)2(s)
Y(NO3)3*6H2O = Y2O3 + HNO3 + H2O =>
2 Y(NO3)3*6H2O = Y2O3 + 6 HNO3 + 9 H2O
BaCl2 + H2O = Ba(OH)2 + HCl =>
BaCl2 + 2 H2O = Ba(OH)2 + 2 HCl
Na(OH)2 + CuCl2 = Cu(OH)2 + NaCl2 =>
Na(OH)2 + CuCl2 = Cu(OH)2 + NaCl2
K2CO3 + Ba(OH)2 = KOH + Ba2(CO3)2 =>
2 K2CO3 + 2 Ba(OH)2 = 4 KOH + Ba2(CO3)2
KI + HNO3 = KIO + H2O + NO2 =>
KI + 2 HNO3 = KIO + H2O + 2 NO2
NiI2 + KOH = KI2 + NiOH =>
NiI2 + KOH = KI2 + NiOH
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CrI2 + KOH + Cl = K2CrO4 + KI + KCl + H2O =>
CrI2 + 8 KOH + 4 Cl = K2CrO4 + 2 KI + 4 KCl + 4 H2O
CH3Cl + NaH = CH4 + NaCl =>
CH3Cl + NaH = CH4 + NaCl
H + S8 = H2S =>
16 H + S8 = 8 H2S
NaHCO3 + H2O = H2CO3 + NaOH =>
NaHCO3 + H2O = H2CO3 + NaOH
(Co(NO3)2*6H2O) + (NaC2H4NO2*H2O) = (Co(NO3)2*6H2O)(NaC2H4NO2*H2O) =>
(Co(NO3)2*6H2O) + (NaC2H4NO2*H2O) = (Co(NO3)2*6H2O)(NaC2H4NO2*H2O)
ZnSO4 + H2 = ZnSO3 + H2O =>
ZnSO4 + H2 = ZnSO3 + H2O
C4H6(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H6(g) + 11 O2(g) = 8 CO2(g) + 6 H2O(g)
NH4 + OH = NH3 + H2O =>
NH4 + OH = NH3 + H2O
Al + Cu(NO3)2 = Cu2Al + NO3 =>
Al + 2 Cu(NO3)2 = Cu2Al + 4 NO3
Zn(HCO3)2 + H2SO4 = ZnSO4 + H2O + CO2 =>
Zn(HCO3)2 + H2SO4 = ZnSO4 + 2 H2O + 2 CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
P2O5LiOH = P2OHLiO5 =>
P2O5LiOH = P2OHLiO5
Fe3 + HNO3 = N2O + Fe(NO3)3 + H2O =>
8 Fe3 + 90 HNO3 = 9 N2O + 24 Fe(NO3)3 + 45 H2O
[Ni(NH3)6]Cl2 + NaOH = [Ni(NH3)6(OH)2] + NaCl =>
[Ni(NH3)6]Cl2 + 2 NaOH = [Ni(NH3)6(OH)2] + 2 NaCl
MnO2{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO2{-} + C2O4{2-} + 8 H{+} = 2 Mn{2+} + 2 CO2 + 4 H2O
CH2CHCH2CHCH2 + KMnO4 + H2SO4 = COOHCH2COOH + K2SO4 + MnSO4 + H2O =>
15 CH2CHCH2CHCH2 + 44 KMnO4 + 66 H2SO4 = 25 COOHCH2COOH + 22 K2SO4 + 44 MnSO4 + 76 H2O
CH3COOH + KHCO3 = CH3COOK + CO2 + H2O =>
CH3COOH + KHCO3 = CH3COOK + CO2 + H2O
Cl2 + Na2SO4 = NaClO4 + SO2 + Na2O =>
Cl2 + 7 Na2SO4 = 2 NaClO4 + 7 SO2 + 6 Na2O
C8H8O + Cl = C6H5COOH + HCCl3 + H2O =>
5 C8H8O + 78 Cl = 2 C6H5COOH + 26 HCCl3 + H2O
Sc + HI = HSc + I =>
Sc + HI = HSc + I
H2Cl + Zn = H2 + ZnCl =>
H2Cl + Zn = H2 + ZnCl
NaHCO3 + C2H5OH = NaOH + C2CO3 + H =>
NaHCO3 + C2H5OH = NaOH + C2CO3 + 6 H
C7H8 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
5 C7H8 + 6 KMnO4 + 9 H2SO4 = 5 C6H5COOH + 6 MnSO4 + 3 K2SO4 + 14 H2O
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Équations équilibrées sur11/20/24
Équations équilibrées sur12/20/23
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