Équations équilibrées la veille | Équations équilibrées le lendemain |
As2O3 + 2 NaOH + 3 H2O = 2 Na(As(OH)4)
Na2WO4 + HCl + Zn = (WO2)2WO4 + ZnCl2 + H2O + NaCl =>
3 Na2WO4 + 8 HCl + Zn = (WO2)2WO4 + ZnCl2 + 4 H2O + 6 NaCl
Cu(OH)2 + Fe2(SO4)3 = CuSO4 + Fe(OH)3 =>
3 Cu(OH)2 + Fe2(SO4)3 = 3 CuSO4 + 2 Fe(OH)3
C3H8O3 + KOH = C3H5O3 + K + H2O =>
C3H8O3 + 3 KOH = C3H5O3 + 3 K + 3 H2O
Cr2(SO4)3 + NaBiO3 + HNO3 = Na2Cr2O7 + Bi(NO3)3 + NaNO3 + H2SO4 + H2O =>
Cr2(SO4)3 + 3 NaBiO3 + 10 HNO3 = Na2Cr2O7 + 3 Bi(NO3)3 + NaNO3 + 3 H2SO4 + 2 H2O
NiCl2*6H2O = NiCl2 + H2O =>
NiCl2*6H2O = NiCl2 + 6 H2O
F2 + MnBr3 = Mn + FBr =>
3 F2 + 2 MnBr3 = 2 Mn + 6 FBr
BaNO3 + AlCl3 = BaCl3 + NO3 + Al =>
BaNO3 + AlCl3 = BaCl3 + NO3 + Al
Ca3(BO3)2 + HNO3 = Ca(NO3)2 + H3BO3 =>
Ca3(BO3)2 + 6 HNO3 = 3 Ca(NO3)2 + 2 H3BO3
K2Cr2O7 + NaS2O3 = Na2Cr2O7 + KS2O3 =>
K2Cr2O7 + 2 NaS2O3 = Na2Cr2O7 + 2 KS2O3
PbO + NHO3 = Pb(NO3)2 + H2O =>
PbO + 2 NHO3 = Pb(NO3)2 + H2O
Pb(SO4)3 + KI = PbI3 + KSO4 =>
Pb(SO4)3 + 3 KI = PbI3 + 3 KSO4
Ca(BrO3)2 = Ca + BrO3 =>
Ca(BrO3)2 = Ca + 2 BrO3
RbNO2 + H2O = RbOH + HNO2 =>
RbNO2 + H2O = RbOH + HNO2
MgCl2 + Sn2S4 = MgS + SnCl4 =>
4 MgCl2 + Sn2S4 = 4 MgS + 2 SnCl4
Na2O2 + NaI + H2SO4 = Na2SO4 + NaIO3 + H2O =>
3 Na2O2 + NaI + 3 H2SO4 = 3 Na2SO4 + NaIO3 + 3 H2O
KOH + FeBr2 = KBr + Fe(OH)2 =>
2 KOH + FeBr2 = 2 KBr + Fe(OH)2
Ag + CuSO4 = Cu + Ag2SO4 =>
2 Ag + CuSO4 = Cu + Ag2SO4
SnO2 + NH4NO3 = SnNO3 + O2NH4 =>
SnO2 + NH4NO3 = SnNO3 + O2NH4
C2O3{2-} = C4O6{2-} + e =>
2 C2O3{2-} = C4O6{2-} + 2e
Mg(s) + AgNO3(s) = Mg(NO3)2(s) + Ag =>
Mg(s) + 2 AgNO3(s) = Mg(NO3)2(s) + 2 Ag
KI + H2SO4 = K2SO4 + I2 + S + H2O =>
6 KI + 4 H2SO4 = 3 K2SO4 + 3 I2 + S + 4 H2O
Ni + Al2(CO3)3 = Al + Ni(CO3)3 =>
Ni + Al2(CO3)3 = 2 Al + Ni(CO3)3
PbCO3 + HNO3 = Pb(NO3)2 + H2O + CO2 =>
PbCO3 + 2 HNO3 = Pb(NO3)2 + H2O + CO2
H2(SO4) + Pb(C2H3O2)2 = Pb(SO4) + H(C2H3O2) =>
H2(SO4) + Pb(C2H3O2)2 = Pb(SO4) + 2 H(C2H3O2)
Mg + AgNO3 + H2O = H2 + AgO + Mg(NO3)2 =>
Mg + 2 AgNO3 + 2 H2O = 2 H2 + 2 AgO + Mg(NO3)2
K2CrO4(aq) + Ca(NO3)2(aq) = K2(NO3)2(aq) + CaCrO4(s) =>
K2CrO4(aq) + Ca(NO3)2(aq) = K2(NO3)2(aq) + CaCrO4(s)
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
NaOCl = Na + Cl + O2 =>
2 NaOCl = 2 Na + 2 Cl + O2
Pb4{+} + V2{+} = Pb2{+} + V3{+} =>
Pb4{+} + 3 V2{+} = 2 Pb2{+} + 2 V3{+}
Zn(NO3)2 + Cu = CuNO3 + Zn =>
Zn(NO3)2 + 2 Cu = 2 CuNO3 + Zn
C4H10 + KMnO4 + H2SO4 = CH2COOC2H2 + K2SO4 + MnSO4 + H2O =>
C4H10 + 2 KMnO4 + 3 H2SO4 = CH2COOC2H2 + K2SO4 + 2 MnSO4 + 6 H2O
HBr(g) = H2 + Br2 =>
2 HBr(g) = H2 + Br2
NH4NO3*2HO = NH4 + NO3 + H2O =>
5 NH4NO3*2HO = 4 NH4 + 6 NO3 + 7 H2O
S + HCl = SCl2 + H2 =>
S + 2 HCl = SCl2 + H2
NaClNa2SO4 = Na2ClNaSO4 =>
NaClNa2SO4 = Na2ClNaSO4
CH3NH2 + HCl = (CH3NH3)Cl =>
CH3NH2 + HCl = (CH3NH3)Cl
TIO2 + KOH = K2OTIO2 + H2O =>
TIO2 + 2 KOH = K2OTIO2 + H2O
H2O2 + MnO2 = O2(H2)02 + Mn(O2)2 =>
2 H2O2 + MnO2 = O2(H2)02 + Mn(O2)2
Ag + K2PO4 = AgPO4 + K =>
Ag + K2PO4 = AgPO4 + 2 K
FeCl3 + NaSCN = Fe2(SCN)3Cl3 + NaCl =>
2 FeCl3 + 3 NaSCN = Fe2(SCN)3Cl3 + 3 NaCl
CrCl3*6H2O + ZnSO4*7H2O + NaOH = CrZnO + NaCl + Na2SO4 + H2O + O2 =>
4 CrCl3*6H2O + 4 ZnSO4*7H2O + 20 NaOH = 4 CrZnO + 12 NaCl + 4 Na2SO4 + 62 H2O + 3 O2
PbO2 + HCl(s) = PbCl2(s) + H2O(l) + Cl2(g) =>
PbO2 + 4 HCl(s) = PbCl2(s) + 2 H2O(l) + Cl2(g)
Ni(CH3COO)2 + KOH = Ni(OH)2 + KCH3COO =>
Ni(CH3COO)2 + 2 KOH = Ni(OH)2 + 2 KCH3COO
H3C6H5O7 + CaCO3 = CaC6H5O7 + H2O + CO2 =>
17 H3C6H5O7 + 18 CaCO3 = 18 CaC6H5O7 + 23 H2O + 12 CO2
AgNO3 + ZnCl2 = ZnN2O6 + AgCl =>
2 AgNO3 + ZnCl2 = ZnN2O6 + 2 AgCl
Li3Po4 + BaCl2 = Ba3(Po4)2 + LiCl =>
2 Li3Po4 + 3 BaCl2 = Ba3(Po4)2 + 6 LiCl
C2H5OH + HI = C2H5I + H2O =>
C2H5OH + HI = C2H5I + H2O
ZnCl2 + KBr = ZnBr2 + KCl =>
ZnCl2 + 2 KBr = ZnBr2 + 2 KCl
IC = I2 + C2 =>
2 IC = I2 + C2
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