| Équations équilibrées la veille |
2 Cr2O3 + 4 K2CO3 + 3 O2 = 4 CO2 + 4 K2CrO4
Pb(NO3)2 + HF = HNO3 + PbF2 =>
Pb(NO3)2 + 2 HF = 2 HNO3 + PbF2
Cr + SnCl4 = CrCl3 + Sn =>
4 Cr + 3 SnCl4 = 4 CrCl3 + 3 Sn
H2O + C2H2 + KMnO4 = C2H2O4 + MnO2 + KOH =>
4 H2O + 3 C2H2 + 8 KMnO4 = 3 C2H2O4 + 8 MnO2 + 8 KOH
CH3C(CH3)C(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
3 CH3C(CH3)C(CH3)CH3 + 2 KMnO4 + 4 H2O = 3(CH3)2C(OH)C(OH)(CH3)2 + 2 MnO2 + 2 KOH
II2 + Na2S2O3 = NaI + Na2S4O6 =>
2 II2 + 6 Na2S2O3 = 6 NaI + 3 Na2S4O6
AlBr3 + Cl = AlCl3 + Br =>
AlBr3 + 3 Cl = AlCl3 + 3 Br
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq) =>
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq)
S8 + KMnO4 = K2SO4 + MnO2 =>
S8 + 16 KMnO4 = 8 K2SO4 + 16 MnO2
H2C2O4(aq) + KMnO4(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + CO2(g) + H2O =>
5 H2C2O4(aq) + 2 KMnO4(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + K2SO4(aq) + 10 CO2(g) + 8 H2O
Ca(ClO4)2 + (NH4)2SO4 = CaSO4 + NH4ClO4 =>
Ca(ClO4)2 + (NH4)2SO4 = CaSO4 + 2 NH4ClO4
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Fe2(s) + S(s) = FeS =>
Fe2(s) + 2 S(s) = 2 FeS
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
BrO3{-} + Sn{+} = SnBrO3 =>
BrO3{-} + Sn{+} = SnBrO3
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
Ba + Al = Ba2Al =>
2 Ba + Al = Ba2Al
Zn + HCOOH = Zn(HCOO) + H2 =>
2 Zn + 2 HCOOH = 2 Zn(HCOO) + H2
Cr(OH)3(k) + NaOH(ag) = Na2HCrO3 + H2O =>
Cr(OH)3(k) + 2 NaOH(ag) = Na2HCrO3 + 2 H2O
Mg(OH)2 + Al(OH)3 = Mg[Al(OH)4]2 =>
Mg(OH)2 + 2 Al(OH)3 = Mg[Al(OH)4]2
Ca(ClO4)2 + (NH4)2SO2 = CaSO2 + NH4ClO4 =>
Ca(ClO4)2 + (NH4)2SO2 = CaSO2 + 2 NH4ClO4
CO2 + HO + Ca = H2O + CaCO3 =>
CO2 + 2 HO + Ca = H2O + CaCO3
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
C + O2(g) = CO(g) =>
2 C + O2(g) = 2 CO(g)
C6H5SO3Na + NaOH = C6H5ONa + Na2SO3 + H2O =>
C6H5SO3Na + 2 NaOH = C6H5ONa + Na2SO3 + H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C3H8O3 + H2O = CO2 + H2 =>
C3H8O3 + 3 H2O = 3 CO2 + 7 H2
Zn(s) + Sn(SO4)2(aq) = Sn + ZnSO4 =>
2 Zn(s) + Sn(SO4)2(aq) = Sn + 2 ZnSO4
SO2 + NaOH = H2 + NaSO3 =>
2 SO2 + 2 NaOH = H2 + 2 NaSO3
Mn + Pb{2+} = Mn{2+} + Pb =>
Mn + Pb{2+} = Mn{2+} + Pb
CO(OH)2 + HCl = COCl2 + H2O =>
CO(OH)2 + 2 HCl = COCl2 + 2 H2O
AgN3 = Ag + N =>
AgN3 = Ag + 3 N
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeSO4 + K2CO3 = K2SO4 + FeCO3 =>
FeSO4 + K2CO3 = K2SO4 + FeCO3
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
CrCl3 + KNO3 + K2CO3 = K2CrO4 + KNO2 + CO2 + KCl =>
2 CrCl3 + 3 KNO3 + 5 K2CO3 = 2 K2CrO4 + 3 KNO2 + 5 CO2 + 6 KCl
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
C9H13N + CH3COOH = C9H13N*CH3COOH =>
C9H13N + CH3COOH = C9H13N*CH3COOH
Cl2 + H3AsO3 + H2O = H3AsO4 + Cl{-} + H{+} =>
Cl2 + H3AsO3 + H2O = H3AsO4 + 2 Cl{-} + 2 H{+}
MgCo3 + F2 = MgF + Co3 =>
2 MgCo3 + F2 = 2 MgF + 2 Co3
V + H2TeO4 = H2 + V2(TeO4)5 =>
2 V + 5 H2TeO4 = 5 H2 + V2(TeO4)5
FeS2 + HNO3 = Fe2(SO4)3 + H2O + H2SO4 + N2O =>
8 FeS2 + 30 HNO3 = 4 Fe2(SO4)3 + 11 H2O + 4 H2SO4 + 15 N2O
Zn(SO3) + AgNO3 = Zn(NO3)2 + Ag2(SO3) =>
Zn(SO3) + 2 AgNO3 = Zn(NO3)2 + Ag2(SO3)
KClO + FeCl2 + HCl = KCl + FeCl3 + H2O =>
KClO + 2 FeCl2 + 2 HCl = KCl + 2 FeCl3 + H2O
NaI + PbO = NaO + PbI =>
NaI + PbO = NaO + PbI
Al2O3 + HMnO4 = Al(MnO4)3 + H2O =>
Al2O3 + 6 HMnO4 = 2 Al(MnO4)3 + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
V + O2 = V2O5 =>
4 V + 5 O2 = 2 V2O5
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