| Équations équilibrées la veille |
Ba(N03)2 + H2S = BaS + 2 HN03
Cu2S3 = Cu + S =>
Cu2S3 = 2 Cu + 3 S
Cs + P = CsP =>
Cs + P = CsP
Cr2O7 + CH3CHO = CH3COOH + Cr =>
Cr2O7 + 7 CH3CHO = 7 CH3COOH + 2 Cr
Sc + H2CO3 = Sc2(CO3)3 + H2 =>
2 Sc + 3 H2CO3 = Sc2(CO3)3 + 3 H2
C8H6 + KMnO4 + H2SO4 = C7H6O2 + K2SO4 + MnSO4 + H2O =>
35 C8H6 + 26 KMnO4 + 39 H2SO4 = 40 C7H6O2 + 13 K2SO4 + 26 MnSO4 + 24 H2O
XZn + NaOH + H2O = XNa2Zn(OH)4 + H2 =>
XZn + 2 NaOH + 2 H2O = XNa2Zn(OH)4 + H2
S + H2 = S(H2)2 =>
S + 2 H2 = S(H2)2
C7H2O2 + O2 = CO2 + H2 =>
C7H2O2 + 6 O2 = 7 CO2 + H2
H2SO4 + Ba(HO)2 = BaSO4 + H2O =>
H2SO4 + Ba(HO)2 = BaSO4 + 2 H2O
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Co(OH)3 + H{+} = Co{+2} + O2 + H2O =>
4 Co(OH)3 + 8 H{+} = 4 Co{+2} + O2 + 10 H2O
K2Cr2O7 + H2C2O4H4O2 = K(Cr(C2O4)2(H2O)2)H4O2 + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4H4O2 = 2 K(Cr(C2O4)2(H2O)2)H4O2 + 6 CO2 + 13 H2O
AgNO3 + SnCl2 + NaOH = Ag + Na2SnO3 + H2O + NaCl + NaNO3 =>
2 AgNO3 + SnCl2 + 6 NaOH = 2 Ag + Na2SnO3 + 3 H2O + 2 NaCl + 2 NaNO3
H2SeO4 + Pb(OH)4 = Pb2(SeO4)4 + H2O =>
4 H2SeO4 + 2 Pb(OH)4 = Pb2(SeO4)4 + 8 H2O
K4[Fe(CN6)] + H2O2 + H2SO4 = K3[Fe(CN6)] + H2O + K2SO4 =>
2 K4[Fe(CN6)] + H2O2 + H2SO4 = 2 K3[Fe(CN6)] + 2 H2O + K2SO4
XH2SO4 + NaBr + NaBrO3 = XNa2SO4 + H2O + Br =>
3 XH2SO4 + 5 NaBr + NaBrO3 = 3 XNa2SO4 + 3 H2O + 6 Br
TeO2 + BrO3 + H2O = H6TeO6 + Br2 =>
6 TeO2 + 2 BrO3 + 18 H2O = 6 H6TeO6 + Br2
C6H12O6 + (Ag(NH3)2)OH = C6H11O7NH3 + Ag + NH3 + H2O =>
C6H12O6 + 3(Ag(NH3)2)OH = C6H11O7NH3 + 3 Ag + 5 NH3 + 2 H2O
Ca(MnO4)2 + KNO2 + H2SO4 = MnSO4 + KNO3 + CaSO4 + H2O =>
Ca(MnO4)2 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 5 KNO3 + CaSO4 + 3 H2O
MnSO4 + Mg = Mn + MgSO4 =>
MnSO4 + Mg = Mn + MgSO4
Mg + AlCl3 = MgCl2 + Al =>
3 Mg + 2 AlCl3 = 3 MgCl2 + 2 Al
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
FeSO4(H2O)7 + Na2Cr2O7(H2O)2 = FeOH2 + Na2SO4 + H2O + Fe2SO43 + Cr2(SO4)3 =>
163 FeSO4(H2O)7 + 39 Na2Cr2O7(H2O)2 = 149 FeOH2 + 39 Na2SO4 + 1070 H2O + 7 Fe2SO43 + 39 Cr2(SO4)3
K2NO3 + Al(NO3)3 = K(NO3)3 + AlNO3 =>
2 K2NO3 + 5 Al(NO3)3 = 4 K(NO3)3 + 5 AlNO3
OH + NH4 = H2O + NO3 =>
10 OH + NH4 = 7 H2O + NO3
H3PO4 + Si = SiO2 + P2O3 + H2O =>
2 H3PO4 + Si = SiO2 + P2O3 + 3 H2O
CH3NO2 + O2 = H2O + CO2 + N2 =>
4 CH3NO2 + 3 O2 = 6 H2O + 4 CO2 + 2 N2
PbSO4 + H2O = Pb + PbO2 + H2SO4 =>
2 PbSO4 + 2 H2O = Pb + PbO2 + 2 H2SO4
NaPO4 + KNO3 = NaNO3 + KPO4 =>
NaPO4 + KNO3 = NaNO3 + KPO4
CaCl2 + N2H8CO3 = CaCO3 + NH4Cl =>
CaCl2 + N2H8CO3 = CaCO3 + 2 NH4Cl
NH4HCO3 + MgSO4 = (NH4)2SO4 + Mg(HCO3)2 =>
2 NH4HCO3 + MgSO4 = (NH4)2SO4 + Mg(HCO3)2
NaHO3(s) + CH3COOH(aq) = CO2(g) + H2O(l) + NaCH3COO(aq) =>
2 NaHO3(s) + 3 CH3COOH(aq) = 2 CO2(g) + 4 H2O(l) + 2 NaCH3COO(aq)
Al + AuCl = AlCl3 + Au =>
Al + 3 AuCl = AlCl3 + 3 Au
C12H22O11 + ClO3 = H2O + CO2 + Cl2 =>
C12H22O11 + 8 ClO3 = 11 H2O + 12 CO2 + 4 Cl2
Ni(C2H3O2)2 + LiOH = Ni(OH)2 + Li(C2H3O2) =>
Ni(C2H3O2)2 + 2 LiOH = Ni(OH)2 + 2 Li(C2H3O2)
H2SO4 + Co = Co2(SO4)3 + H2 =>
3 H2SO4 + 2 Co = Co2(SO4)3 + 3 H2
K2Cr2O7 + HI + H2SO4 = I + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 HI + 4 H2SO4 = 6 I + Cr2(SO4)3 + K2SO4 + 7 H2O
Ga + I = Ga2I6 =>
2 Ga + 6 I = Ga2I6
Cr + HCl = CrCl2 + H =>
Cr + 2 HCl = CrCl2 + 2 H
Cu{2+} + Zn = Cu + Zn{2+} =>
Cu{2+} + Zn = Cu + Zn{2+}
MgI2(aq) + Br2(i) = MgBr2(aq) + I2(s) =>
MgI2(aq) + Br2(i) = MgBr2(aq) + I2(s)
CH3COOH + LiAlH4 + H2O = CH3CH2OH + LiOH + Al(OH)3 =>
2 CH3COOH + LiAlH4 + 2 H2O = 2 CH3CH2OH + LiOH + Al(OH)3
NaOH(s) + CO2(g) = Na2CO3 + H2O(l) =>
2 NaOH(s) + CO2(g) = Na2CO3 + H2O(l)
C12H26O + NaOH + H2SO4 = NaC12H25SO4 + H2O =>
C12H26O + NaOH + H2SO4 = NaC12H25SO4 + 2 H2O
I + AgNO3 + H2O = AgIO3 + AgI + HNO3 =>
6 I + 6 AgNO3 + 3 H2O = AgIO3 + 5 AgI + 6 HNO3
NaPO4 + KNO3 = NaNO3 + KPO4 =>
NaPO4 + KNO3 = NaNO3 + KPO4
Zn + Fe{+2} = Zn{+2} + Fe =>
Zn + Fe{+2} = Zn{+2} + Fe
Nd2Fe14B + HCl = NdCl3 + FeCl1 + B + H2 =>
Nd2Fe14B + 20 HCl = 2 NdCl3 + 14 FeCl1 + B + 10 H2
J2 + Na2SO3 + H2O = NaJ + Na2SO4 + H2SO3 =>
J2 + 2 Na2SO3 + H2O = 2 NaJ + Na2SO4 + H2SO3
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