| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(s) + H2O(s) = PbO(s) + H2(s)
Ag(s) + HNO3(s) = AgNO3 + H2 =>
2 Ag(s) + 2 HNO3(s) = 2 AgNO3 + H2
C8H8 = C + CH4 =>
C8H8 = 6 C + 2 CH4
NaH2PO4 + Fe(OH)3 + Co(OH)2 = Na4P2O7 + Fe05Co05P + H2O + O2 =>
4 NaH2PO4 + 10 Fe(OH)3 + 10 Co(OH)2 = Na4P2O7 + 2 Fe05Co05P + 29 H2O + 15 O2
NH4Cl + K2Cr2O7 = N2 + KCl + Cr2O3 + H2O =>
2 NH4Cl + K2Cr2O7 = N2 + 2 KCl + Cr2O3 + 4 H2O
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 = K3Fe(C2O4)3*3H2O + NH4 + SO4 + H2O =>
2 Fe(NH4)2(SO4)2*6H2O + 3 H2C2O4 + 3 K2C2O4 + 3 H2O2 = 2 K3Fe(C2O4)3*3H2O + 4 NH4 + 4 SO4 + 12 H2O
BaCrO4 + KNO3 + HNO3 = Ba(NO3)2 + K2Cr2O7 + H2O =>
2 BaCrO4 + 2 KNO3 + 2 HNO3 = 2 Ba(NO3)2 + K2Cr2O7 + H2O
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
K3PO4 + Mg = MgPO4 + K =>
K3PO4 + Mg = MgPO4 + 3 K
CuSO4 + Zn + H2SO4 = ZnH2Cu + SO4 =>
CuSO4 + Zn + H2SO4 = ZnH2Cu + 2 SO4
CH3COOAg + HCl = CH3COOH + AgCl =>
CH3COOAg + HCl = CH3COOH + AgCl
SnO2 = Sn(s) + O2(g) =>
SnO2 = Sn(s) + O2(g)
HCl + Au + HNO3 = AuCl3 + H2O + NO =>
3 HCl + Au + HNO3 = AuCl3 + 2 H2O + NO
MgCl2 + Pb3(PO4)4 = Mg3(PO4)2 + PbCl4 =>
6 MgCl2 + Pb3(PO4)4 = 2 Mg3(PO4)2 + 3 PbCl4
K2C2O4 + H2C2O4 + K2Cr2O7 = CO2 + H2O + K3Cr(C2O4)3 =>
2 K2C2O4 + 7 H2C2O4 + K2Cr2O7 = 6 CO2 + 7 H2O + 2 K3Cr(C2O4)3
CuCO3Cu(OH)2 + HCl = CO2 + H2O + CuCl2 =>
CuCO3Cu(OH)2 + 4 HCl = CO2 + 3 H2O + 2 CuCl2
NO2(g) + H(g) = NH3 + H2O(l) =>
NO2(g) + 7 H(g) = NH3 + 2 H2O(l)
*2HLO3 = *L2O5 + H2O =>
*2HLO3 = *L2O5 + H2O
CaCl2 + H2O = Ca(OH)2 + HCl =>
CaCl2 + 2 H2O = Ca(OH)2 + 2 HCl
[FeF6]{3-} + SCN{-} = [Fe(SCN)3] + F{-} =>
[FeF6]{3-} + 3 SCN{-} = [Fe(SCN)3] + 6 F{-}
KOH + MeOH = KMeO + H2O =>
KOH + MeOH = KMeO + H2O
KMnO4 + Na2C204 + H{+} = Mn2{+} + CO2 + H2O + Na{+} + K{+} =>
1636 KMnO4 + 13 Na2C204 + 2480 H{+} = 818 Mn2{+} + 2652 CO2 + 1240 H2O + 26 Na{+} + 1636 K{+}
ZnO + CH3COOH = Zn(CH3COOH)2 + O2 =>
2 ZnO + 4 CH3COOH = 2 Zn(CH3COOH)2 + O2
Mg(OH)2 + CO2 = Mg(CHO3)2 =>
Mg(OH)2 + 2 CO2 = Mg(CHO3)2
Cr5Si3 + C = Cr7C3 + Si =>
7 Cr5Si3 + 15 C = 5 Cr7C3 + 21 Si
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
CHCl3 + H2SO4 + NaNO2 + KI = Na2SO4 + K2SO4 + ICl3 + NO2 + CH4 =>
2 CHCl3 + 3 H2SO4 + 4 NaNO2 + 2 KI = 2 Na2SO4 + K2SO4 + 2 ICl3 + 4 NO2 + 2 CH4
NiCl2 + Na2C2O4 = Ni2(C2O4)2 + NaCl =>
2 NiCl2 + 2 Na2C2O4 = Ni2(C2O4)2 + 4 NaCl
AlOHSO3 + HI = AlI3 + SO2 + H2O =>
AlOHSO3 + 3 HI = AlI3 + SO2 + 2 H2O
KI + H2O2 = KOH + I2 =>
2 KI + H2O2 = 2 KOH + I2
ZnSO4(aq) + BaCl2(aq) = ZnCl2(s) + BaSO4(aq) =>
ZnSO4(aq) + BaCl2(aq) = ZnCl2(s) + BaSO4(aq)
C8H9NO + Br2 = C8H8BrNO + HBr =>
C8H9NO + Br2 = C8H8BrNO + HBr
Mn(OH)2(s) + H3O(aq) = H2O(l) + Mn(g) =>
Mn(OH)2(s) + 2 H3O(aq) = 4 H2O(l) + Mn(g)
Cr3Cl + Ba = BaCl2 + Cr =>
2 Cr3Cl + Ba = BaCl2 + 6 Cr
Cr(OH)3 + HCl = (Cr(OH)2)Cl + H2O =>
Cr(OH)3 + HCl = (Cr(OH)2)Cl + H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
C6H5COOK + H2O = C6H6COOK + OH =>
C6H5COOK + H2O = C6H6COOK + OH
Na2NO3 + C2 + N2 = NaCN + CO =>
2 Na2NO3 + 5 C2 + N2 = 4 NaCN + 6 CO
HNO3 + FeI2 = I2 + Fe(NO3)3 + NO + H2O =>
4 HNO3 + FeI2 = I2 + Fe(NO3)3 + NO + 2 H2O
LiClO3 = LiCl + O2 =>
2 LiClO3 = 2 LiCl + 3 O2
Fe(NO3)3(Ac) + NH4SCN(Ac) = FeSCN(NO3)2(Ac) + NH4NO3(Ac) =>
Fe(NO3)3(Ac) + NH4SCN(Ac) = FeSCN(NO3)2(Ac) + NH4NO3(Ac)
ZnBr2 + Ag3PO4 = AgBr + Zn3(PO4)2 =>
3 ZnBr2 + 2 Ag3PO4 = 6 AgBr + Zn3(PO4)2
C2H5NO2 + HCl = C2H5NH3Cl + H2O + Cl2 =>
C2H5NO2 + 7 HCl = C2H5NH3Cl + 2 H2O + 3 Cl2
Ca(OH)2 + N2O5 = Ca(NO3)2 + H2O =>
Ca(OH)2 + N2O5 = Ca(NO3)2 + H2O
MgS + Ca = Mg + CaS =>
MgS + Ca = Mg + CaS
Al2(SO4)3 + KOH = Al(OH)SO4 + K2SO4 =>
Al2(SO4)3 + 2 KOH = 2 Al(OH)SO4 + K2SO4
H3BO3 + AlI3 = Al(BO3) + HI =>
H3BO3 + AlI3 = Al(BO3) + 3 HI
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