| Équations équilibrées la veille |
4 Cd + 5 H2SO4 = 4 CdSO4 + H2S + 4 H2O
Sn + KOH + H2O = K2(Sn(OH)6) + H2 =>
Sn + 2 KOH + 4 H2O = K2(Sn(OH)6) + 2 H2
NaOCl + Na2S2O3 = Na2S2O4 + NaCl =>
NaOCl + Na2S2O3 = Na2S2O4 + NaCl
H3C6H506 + NaHCO3 = Na3C6H507 + H2O + CO2 =>
534 H3C6H506 + 1599 NaHCO3 = 533 Na3C6H507 + 1587 H2O + 1605 CO2
Zn = Zn{2+} + e =>
Zn = Zn{2+} + 2e
BaCl + MnSO4 = BaSO4 + MnCl =>
BaCl + MnSO4 = BaSO4 + MnCl
H2O + H2O2 = H4*O3 =>
H2O + H2O2 = H4*O3
N2O3 + NaOH = H2O + Na3NO3 =>
N2O3 + 6 NaOH = 3 H2O + 2 Na3NO3
CH4 + Cl = CHCl3 + HCl =>
CH4 + 6 Cl = CHCl3 + 3 HCl
AgCl + KSCN = Ag(SCN) + KCl =>
AgCl + KSCN = Ag(SCN) + KCl
Fe{3+} + Br{-} = Fe{2+} + Br =>
Fe{3+} + Br{-} = Fe{2+} + Br
CO2 + CH3OH = (CH3O)2CO + H2O =>
CO2 + 2 CH3OH = (CH3O)2CO + H2O
Fe + CuCl2 = FeCl + Cu3 =>
6 Fe + 3 CuCl2 = 6 FeCl + Cu3
C6H10O + MnO4{-} + H2O = C6H10O4 + MnO3 + OH{-} =>
C6H10O + 6 MnO4{-} + 3 H2O = C6H10O4 + 6 MnO3 + 6 OH{-}
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ca + AgNO3 = Ca2O2 + Ag + N =>
6 Ca + 2 AgNO3 = 3 Ca2O2 + 2 Ag + 2 N
Cr3 + O2 = Cr2O3 =>
4 Cr3 + 9 O2 = 6 Cr2O3
P2O5 + NaOH = Na2HPO4 + H2O =>
P2O5 + 4 NaOH = 2 Na2HPO4 + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NH3 + O2 = H2O(l) + N2 =>
4 NH3 + 3 O2 = 6 H2O(l) + 2 N2
Cl + Ca(OH)2 = Ca(ClO3)2 + CaCl2 + H2O =>
12 Cl + 6 Ca(OH)2 = Ca(ClO3)2 + 5 CaCl2 + 6 H2O
H2He + F = HF + He =>
H2He + 2 F = 2 HF + He
Cr2O3 + Na2SO4 + NaOH + O2 = Na2CrO4 + H2SO4 =>
2 Cr2O3 + 2 Na2SO4 + 4 NaOH + 3 O2 = 4 Na2CrO4 + 2 H2SO4
C2H2 + Na = C2H2Na2 =>
C2H2 + 2 Na = C2H2Na2
HCl + NaCHO2 = HCOOH + NaCl =>
HCl + NaCHO2 = HCOOH + NaCl
NH3 = N + H3 =>
NH3 = N + H3
K2O + HBr = KBr + H2O =>
K2O + 2 HBr = 2 KBr + H2O
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
AgNO3 + KSCN = AgSCN + KNO3 =>
AgNO3 + KSCN = AgSCN + KNO3
H2S + AlN3O9 = Al2S3 + HNO3 =>
3 H2S + 2 AlN3O9 = Al2S3 + 6 HNO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(s) + KCH3COO(aq) =>
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KCH3COO(aq)
C + Cl2 = C2Cl =>
4 C + Cl2 = 2 C2Cl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K2S + CdCl2 = KCl + CdS =>
K2S + CdCl2 = 2 KCl + CdS
AZ + X2Y = A2Y3 + X3Z =>
2 AZ + 3 X2Y = A2Y3 + 2 X3Z
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Li + CO2 = Li2CO2 =>
2 Li + CO2 = Li2CO2
KBr + Na2SO3 = K2SO3 + NaBr =>
2 KBr + Na2SO3 = K2SO3 + 2 NaBr
LiOH(aq) + HCN(aq) = LiCN + H2O =>
LiOH(aq) + HCN(aq) = LiCN + H2O
CuCl2(aq) + NaOH(aq) = Cu(OH)2(s) + NaCl(aq) =>
CuCl2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaCl(aq)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CaCO3 + H2SO3 = CaSO3 + H2O + CO2 =>
CaCO3 + H2SO3 = CaSO3 + H2O + CO2
C7H14 + O2 = CO2 + H2O =>
2 C7H14 + 21 O2 = 14 CO2 + 14 H2O
CaC2O4 + H2SO4 + KMnO4 = CaSO4 + CO2 + H2O + MnSO4 + K2SO4 =>
5 CaC2O4 + 8 H2SO4 + 2 KMnO4 = 5 CaSO4 + 10 CO2 + 8 H2O + 2 MnSO4 + K2SO4
CrO3 + NaOH + NH4NO3 = (NH4)2Cr2O7 + NaNO3 + H2O =>
2 CrO3 + 2 NaOH + 2 NH4NO3 = (NH4)2Cr2O7 + 2 NaNO3 + H2O
HCl2 + Ba(CrO4)3 = BaCl2 + H(CrO4)3 =>
HCl2 + Ba(CrO4)3 = BaCl2 + H(CrO4)3
HNO3 + K2SO4 = H2SO4 + KNO3 =>
2 HNO3 + K2SO4 = H2SO4 + 2 KNO3
CaBr2 + KBr = CaBr3 + K =>
CaBr2 + KBr = CaBr3 + K
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