| Équations équilibrées la veille |
3 H2S + 10 HNO3 = 8 H2O + 10 NO + 3 SO4
HCOOCH3 + H2O = HCOOH + CH4O =>
HCOOCH3 + H2O = HCOOH + CH4O
OI{-} + H{+} + KI = KOH + I2 =>
OI{-} + H{+} + KI = KOH + I2
A1 + O2 = A12O3 =>
24 A1 + 3 O2 = 2 A12O3
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
Zn(OH)4{-2} + [Fe(CN)6]{-4} + K{+} + H{+} = K2Zn3[Fe(CN)6]2 + H2O =>
3 Zn(OH)4{-2} + 2[Fe(CN)6]{-4} + 2 K{+} + 12 H{+} = K2Zn3[Fe(CN)6]2 + 12 H2O
K2[Co(CNS)4] + H2O = [Co(H2O)4](CNS)2 + K(CNS) =>
K2[Co(CNS)4] + 4 H2O = [Co(H2O)4](CNS)2 + 2 K(CNS)
AgNO3 + K = AgNO3K =>
AgNO3 + K = AgNO3K
Rb3PO4 + Mg(NO3)2 = RbNO3 + Mg3(PO4)2 =>
2 Rb3PO4 + 3 Mg(NO3)2 = 6 RbNO3 + Mg3(PO4)2
I{-} + H{+} + H2SO4 = I2 + H2S + H2O =>
8 I{-} + 8 H{+} + H2SO4 = 4 I2 + H2S + 4 H2O
NH4H2PO4 + NH3 = (NH4)2HPO4 =>
NH4H2PO4 + NH3 = (NH4)2HPO4
Mg(NO3)2 + Al(OH)3 = Mg(OH)2 + Al(NO3)3 =>
3 Mg(NO3)2 + 2 Al(OH)3 = 3 Mg(OH)2 + 2 Al(NO3)3
F2(g) + NaI(aq) = Na + FI =>
F2(g) + 2 NaI(aq) = 2 Na + 2 FI
Li2CO3 + H3BO3 = Li2B4O7 + H2O + CO2 =>
Li2CO3 + 4 H3BO3 = Li2B4O7 + 6 H2O + CO2
C2H3COONa + AgNO3 + NH3 + H2O = Ag + Na2CO3 + (NH4)2CO3 =>
6 C2H3COONa + 8 AgNO3 + 22 NH3 + 18 H2O = 8 Ag + 3 Na2CO3 + 15(NH4)2CO3
Na2S2O3 + HNO3 + H2O = NaNO + H2SO4 =>
Na2S2O3 + 2 HNO3 + H2O = 2 NaNO + 2 H2SO4
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
AgF2 = Ag + F2 =>
AgF2 = Ag + F2
K2(O) + H(NO3) = K(NO3) + H2(O) =>
K2(O) + 2 H(NO3) = 2 K(NO3) + H2(O)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Pb(NO3)2 + Al = Al(NO3)3 + Pb =>
3 Pb(NO3)2 + 2 Al = 2 Al(NO3)3 + 3 Pb
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Al + NiCl2 = AlCl3 + Ni2 =>
4 Al + 6 NiCl2 = 4 AlCl3 + 3 Ni2
NO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + HNO3 + H2O =>
6 NO2 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 6 HNO3 + H2O
NiAsS + O2 = NiO + As2O3 + SO2 =>
4 NiAsS + 9 O2 = 4 NiO + 2 As2O3 + 4 SO2
FeCl3(s) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(s) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
P2O5 + KOH + H2O = KH2PO4 =>
P2O5 + 2 KOH + H2O = 2 KH2PO4
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Ba(ClO4)2(aq) + K2SO4(aq) = BaSO4(s) + KClO4(aq) =>
Ba(ClO4)2(aq) + K2SO4(aq) = BaSO4(s) + 2 KClO4(aq)
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CaCO3(s) + H3PO4(l) = Ca3(PO4)2(s) + CO2(g) + H2O(l) =>
3 CaCO3(s) + 2 H3PO4(l) = Ca3(PO4)2(s) + 3 CO2(g) + 3 H2O(l)
Ba + N2 = BaN3 =>
2 Ba + 3 N2 = 2 BaN3
Cr(H2PO4)3 + Cr2O3 = CrPO4 + H2O =>
Cr(H2PO4)3 + Cr2O3 = 3 CrPO4 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NH4)2SO4 + (CH3COO)2Sr = SrSO4 + CH3COONH4 =>
(NH4)2SO4 + (CH3COO)2Sr = SrSO4 + 2 CH3COONH4
C = C60 =>
60 C = C60
H2 + Ti = TiH19 =>
19 H2 + 2 Ti = 2 TiH19
Mn(CIO4)5 + Na2S = Mn2S5 + NaCIO4 =>
2 Mn(CIO4)5 + 5 Na2S = Mn2S5 + 10 NaCIO4
ZnS + KOH = Zn(OH)2 + K2S =>
ZnS + 2 KOH = Zn(OH)2 + K2S
CH3CH2OH + KMnO4 = CH3CO2H + KMn + H2O =>
2 CH3CH2OH + KMnO4 = 2 CH3CO2H + KMn + 2 H2O
Cr2O3 + KNO3 + Na2CO3 = Na2CrO4 + KNO + CO2 =>
2 Cr2O3 + 3 KNO3 + 4 Na2CO3 = 4 Na2CrO4 + 3 KNO + 4 CO2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
HClO + CH3COONa = NaClO + CH3COOH =>
HClO + CH3COONa = NaClO + CH3COOH
Sn + AuCl3 = Au + SnCl =>
3 Sn + AuCl3 = Au + 3 SnCl
C6H6O + O2 = CO2 + H2O =>
C6H6O + 7 O2 = 6 CO2 + 3 H2O
Rb2O2 + H3PO4 = Rb3PO4 + H2O2 =>
3 Rb2O2 + 2 H3PO4 = 2 Rb3PO4 + 3 H2O2
MgCl2 + NaHCO3 = MgCO3 + NaCl + CO2 + H2O =>
MgCl2 + 2 NaHCO3 = MgCO3 + 2 NaCl + CO2 + H2O
Cl2 + NaOH = NaCl2 + NaClO3 + H2O =>
11 Cl2 + 12 NaOH = 10 NaCl2 + 2 NaClO3 + 6 H2O
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
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