| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Sb + 3 Sn{+4} = 2 Sb{+3} + 3 Sn{+2}
Na2S2O3 + FeCl3 = Na[Fe(S2O3)2] + NaCl =>
2 Na2S2O3 + FeCl3 = Na[Fe(S2O3)2] + 3 NaCl
AgNO3 + (SO4)2 = Ag(SO4)2 + NO3 =>
AgNO3 + (SO4)2 = Ag(SO4)2 + NO3
Mn2O3 + Si = SiO2 + Mn =>
2 Mn2O3 + 3 Si = 3 SiO2 + 4 Mn
H2O + HSO4{-} + I2 = IO3{2-} + H2S + H{+} =>
2 H2O + HSO4{-} + I2 = 2 IO3{2-} + H2S + 3 H{+}
Na2C2O4 + KMnO4 + H2SO4 = Na2SO4 + CO2 + MnSO4 + H2O + K2SO4 =>
5 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = 5 Na2SO4 + 10 CO2 + 2 MnSO4 + 8 H2O + K2SO4
K2Cr2O7 + HI + H2SO4 = Cr2(SO4)3 + K2CrO4 + I2 + H2O =>
2 K2Cr2O7 + 6 HI + 3 H2SO4 = Cr2(SO4)3 + 2 K2CrO4 + 3 I2 + 6 H2O
H2 + Cl2 = H3Cl =>
3 H2 + Cl2 = 2 H3Cl
Sn(SO4) + Ba3(PO4)2 = Sn3(PO4)2 + Ba(SO4) =>
3 Sn(SO4) + Ba3(PO4)2 = Sn3(PO4)2 + 3 Ba(SO4)
C10H15N4O13P3 + H2O = C10H13N4O7P + H4O7P2 =>
C10H15N4O13P3 + H2O = C10H13N4O7P + H4O7P2
Pt[NH3]4Cl2 + [NH4]2HPO4 = Pt[NH3]4HPO4 + NH4Cl =>
Pt[NH3]4Cl2 + [NH4]2HPO4 = Pt[NH3]4HPO4 + 2 NH4Cl
CaCl2(aq) + Na2So4(aq) = CaSo4(a) + NaCl(aq) =>
CaCl2(aq) + Na2So4(aq) = CaSo4(a) + 2 NaCl(aq)
NH + OH = NHOH =>
NH + OH = NHOH
Ni + P = Ni3P =>
3 Ni + P = Ni3P
S + O = S2O =>
2 S + O = S2O
Pb + PbO2 + SO4{-}2 + H{+} = PbSO4 + H2O =>
3 Pb + PbO2 + 4 SO4{-}2 + 4 H{+} = 4 PbSO4 + 2 H2O
BBr3 + Cl2 = ClBr + B =>
2 BBr3 + 3 Cl2 = 6 ClBr + 2 B
C2H5COOH + H2 = CH4 + CH3COOH =>
C2H5COOH + H2 = CH4 + CH3COOH
FeCO3 + CaCO3 + MgCO3 = CaFeMg(CO3)3 =>
FeCO3 + CaCO3 + MgCO3 = CaFeMg(CO3)3
Cr + H2CO3 = Cr2(CO3)2 + H2 =>
2 Cr + 2 H2CO3 = Cr2(CO3)2 + 2 H2
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
Na2SO3 + HCl = H2SO3 + NaCl =>
Na2SO3 + 2 HCl = H2SO3 + 2 NaCl
Zr(OH)2 + HCl = ZrCl2 + H2O =>
Zr(OH)2 + 2 HCl = ZrCl2 + 2 H2O
(NH4)2Co3 + FeCl3 = NH4Cl + Fe2(Co3)3 =>
3(NH4)2Co3 + 2 FeCl3 = 6 NH4Cl + Fe2(Co3)3
Al + Pb(NO3)2 = Al4Pb5 + (NO3)2 =>
4 Al + 5 Pb(NO3)2 = Al4Pb5 + 5(NO3)2
H2SeO3 + Na2SO3 = Na2SO4 + Se + H2O =>
H2SeO3 + 2 Na2SO3 = 2 Na2SO4 + Se + H2O
K2Cr2O7 + KNO2 + H2SO4 = Cr2(SO4)3 + KHSO4 + H2O + KNO3 =>
K2Cr2O7 + 3 KNO2 + 5 H2SO4 = Cr2(SO4)3 + 2 KHSO4 + 4 H2O + 3 KNO3
LiO + SO2 = Li2SO4 =>
2 LiO + SO2 = Li2SO4
KClO3 + KOH + CoCl2 = Co3O4 + KCl + H2O =>
KClO3 + 18 KOH + 9 CoCl2 = 3 Co3O4 + 19 KCl + 9 H2O
KCrO4 + HCl = KCl + HCrO4 =>
KCrO4 + HCl = KCl + HCrO4
Al(OH)3 + ZnCl2 = Zn(OH)2 + AlCl3 =>
2 Al(OH)3 + 3 ZnCl2 = 3 Zn(OH)2 + 2 AlCl3
La(OOCCF3)3 + H2O + O2 = La2O3 + CO2 + HF =>
2 La(OOCCF3)3 + 9 H2O + 3 O2 = La2O3 + 12 CO2 + 18 HF
H2O + ClK = KOH + HCl =>
H2O + ClK = KOH + HCl
KC1O3(s) = KC1(s) + O2(g) =>
2 KC1O3(s) = 2 KC1(s) + 3 O2(g)
NH3 + NaClO = N2H4 + NaCl + H3O =>
6 NH3 + 2 NaClO = 3 N2H4 + 2 NaCl + 2 H3O
Cr2S3 + Mn(NO3)2 + Na2CO3 = NO + CO2 + NaCrO4 + Na2Mn04 + Na2SO4 =>
17 Cr2S3 + 64 Mn(NO3)2 + 84 Na2CO3 = 128 NO + 84 CO2 + 34 NaCrO4 + 16 Na2Mn04 + 51 Na2SO4
Cu + CO2 + H2SO4 = CuSO4 + CH3OH + H2O =>
3 Cu + CO2 + 3 H2SO4 = 3 CuSO4 + CH3OH + H2O
Ca3(PO4)2 + SlO2 + C = CaSlO3 + CO + P4 =>
2 Ca3(PO4)2 + 6 SlO2 + 10 C = 6 CaSlO3 + 10 CO + P4
Pb(OH)2 + HNo3 = Pb(No3)2 + H2O =>
Pb(OH)2 + 2 HNo3 = Pb(No3)2 + 2 H2O
H3C23O4 + O2 = CO2 + H2O =>
4 H3C23O4 + 87 O2 = 92 CO2 + 6 H2O
RbOHCO = RbCO2H =>
RbOHCO = RbCO2H
HCl(aq) + KMnO4(aq) = KCl(aq) + MnCl2(aq) + Cl2(d) + H2O(s) =>
16 HCl(aq) + 2 KMnO4(aq) = 2 KCl(aq) + 2 MnCl2(aq) + 5 Cl2(d) + 8 H2O(s)
NaCN + H2O = NaOH + HCN =>
NaCN + H2O = NaOH + HCN
Au + Hg(NO3)2 = AuNO3 + Hg2 =>
4 Au + 2 Hg(NO3)2 = 4 AuNO3 + Hg2
KOH + Br2 = BrK + O3BrK + H2O =>
6 KOH + 3 Br2 = 5 BrK + O3BrK + 3 H2O
Ca(CO3)2 + H2C2O4 = CaC2O4 + CO2 + H2O =>
Ca(CO3)2 + 2 H2C2O4 = CaC2O4 + 4 CO2 + 2 H2O
Mg + CH3CO2H = (CH3CO2)2Mg + H2 =>
Mg + 2 CH3CO2H = (CH3CO2)2Mg + H2
MnO2 = O2 + Mn3O4 =>
3 MnO2 = O2 + Mn3O4
Na + CH3CO2 = C2H3NaO2 =>
Na + CH3CO2 = C2H3NaO2
Pb(NO3)2 + Kl = PbKl + (NO3)2 =>
Pb(NO3)2 + Kl = PbKl + (NO3)2
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