| Équations équilibrées la veille |
CH3OH + 8 OH = CO3 + 6 H2O
Fe2(SO4)3 + KNCS = Fe(NCS)3 + K2SO4 =>
Fe2(SO4)3 + 6 KNCS = 2 Fe(NCS)3 + 3 K2SO4
Mg + Ag2CO3 = Ag + MgCO3 =>
Mg + Ag2CO3 = 2 Ag + MgCO3
Al(s) + KOH(aq) + H2SO4(aq) + H2O(l) = KAl(SO4)2*12H2O(s) + H2(g) =>
2 Al(s) + 2 KOH(aq) + 4 H2SO4(aq) + 22 H2O(l) = 2 KAl(SO4)2*12H2O(s) + 3 H2(g)
CH2CHCH3 + Cl2 = CH2ClCHClCH3 =>
CH2CHCH3 + Cl2 = CH2ClCHClCH3
Br + O = BrO3 =>
Br + 3 O = BrO3
AgNO3 + Ca(CH3COO)2 = Ca(NO3)2 + Ag(CH3COO) =>
2 AgNO3 + Ca(CH3COO)2 = Ca(NO3)2 + 2 Ag(CH3COO)
Fe2O3 + NaOH = Fe(OH)3 + Na2O =>
Fe2O3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2O
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(aq) + BaSO4(aq) =>
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(aq) + BaSO4(aq)
Cs2CO3 + HBr = CsBr + H2CO3 =>
Cs2CO3 + 2 HBr = 2 CsBr + H2CO3
(NH4)2CO3 + NaOH = Na2CO3 + NH4OH =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH4OH
Si + HCl = HSiCl3 + H2 =>
Si + 3 HCl = HSiCl3 + H2
Ba(HSO3)2 + KOH = Ba(OH)2 + K2SO3 + H2O =>
Ba(HSO3)2 + 4 KOH = Ba(OH)2 + 2 K2SO3 + 2 H2O
FeSO4*7H2O = Fe + SO4 + H2O =>
FeSO4*7H2O = Fe + SO4 + 7 H2O
Mn + H2O = MnO2 + H2 =>
Mn + 2 H2O = MnO2 + 2 H2
MgSO4(aq)CaCl2(aq) = MgCl2(aq)CaSO4(aq) =>
MgSO4(aq)CaCl2(aq) = MgCl2(aq)CaSO4(aq)
CuCO3 + H3PO4 = Cu3(PO4)2 + H2CO3 =>
3 CuCO3 + 2 H3PO4 = Cu3(PO4)2 + 3 H2CO3
Mg + S = MgS =>
Mg + S = MgS
Zn + Cu(OH)4 = Cu + Zn(OH)2 =>
2 Zn + Cu(OH)4 = Cu + 2 Zn(OH)2
Cl2 + CaI = CaCl2 + I2 =>
2 Cl2 + 2 CaI = 2 CaCl2 + I2
CO + CH4 = C + H2O =>
2 CO + CH4 = 3 C + 2 H2O
Fe2O3(s) + H2(g) = Fe(s) + H2O(l) =>
Fe2O3(s) + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
CoH2 + O2 = Co2O3 + H2O =>
4 CoH2 + 5 O2 = 2 Co2O3 + 4 H2O
CaCO3 + H(C2H3O2) = Ca(C2H3O2)2 + H2O + CO2 =>
CaCO3 + 2 H(C2H3O2) = Ca(C2H3O2)2 + H2O + CO2
K4(Fe(SCN)6) + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(S4)3 + CO2 + H2O + K2SO4 + KNO3 =>
84 K4(Fe(SCN)6) + 97 K2Cr2O7 + 799 H2SO4 = 42 Fe2(SO4)3 + 97 Cr2(S4)3 + 504 CO2 + 799 H2O + 13 K2SO4 + 504 KNO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2SO4 + NaOH = H2O + Na2(SO4) =>
H2SO4 + 2 NaOH = 2 H2O + Na2(SO4)
LiNO3 + Mn(NO3)2 + C12H22O11 = LiMn2O4 + N2 + CO2 + H2O =>
24 LiNO3 + 48 Mn(NO3)2 + 11 C12H22O11 = 24 LiMn2O4 + 60 N2 + 132 CO2 + 121 H2O
C6H8 + O2 = CO2 + H2O =>
C6H8 + 8 O2 = 6 CO2 + 4 H2O
C12H22O11 + H2O2 + Fe = FeCO3 + H =>
2 C12H22O11 + 25 H2O2 + 24 Fe = 24 FeCO3 + 94 H
K2CrO4 + NH3 = Cr2O3 + N2 + KOH + H2O =>
2 K2CrO4 + 2 NH3 = Cr2O3 + N2 + 4 KOH + H2O
Co2 + S = CoS =>
Co2 + 2 S = 2 CoS
NaCl(aq) + H2O = NaOH + Cl2 + H2 =>
2 NaCl(aq) + 2 H2O = 2 NaOH + Cl2 + H2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
C + H + Br = CHBr =>
C + H + Br = CHBr
CH4 + CCl4 = CH2Cl2 =>
CH4 + CCl4 = 2 CH2Cl2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HCOOH + CuO = CO2 + H2O + Cu =>
HCOOH + CuO = CO2 + H2O + Cu
C6H12 + KMnO4 = C2H5COOK + MnO2 + KOH + H2O =>
3 C6H12 + 8 KMnO4 = 6 C2H5COOK + 8 MnO2 + 2 KOH + 2 H2O
Fe(s) + Cl2(g) = FeCl3(s) =>
2 Fe(s) + 3 Cl2(g) = 2 FeCl3(s)
Zn + H3AsO3 + H{+} = Zn2{+} + As + H2O =>
6 Zn + H3AsO3 + 3 H{+} = 3 Zn2{+} + As + 3 H2O
Ca5(PO4)3OH + H3PO4 = CaHPO4 + H2O =>
Ca5(PO4)3OH + 2 H3PO4 = 5 CaHPO4 + H2O
AgBr + NH3 = AgNH3 + Br =>
AgBr + NH3 = AgNH3 + Br
Al + CuSO4(aq) = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4(aq) = Al2(SO4)3 + 3 Cu
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
CuSO4 + Br2 = Cu{2+} + BrSO4{2-} =>
2 CuSO4 + Br2 = 2 Cu{2+} + 2 BrSO4{2-}
Na2B4O7 = Na + B4O7 =>
Na2B4O7 = 2 Na + B4O7
Fe(NO3)3 + NaCl = FeCl3 + Na(NO3) =>
Fe(NO3)3 + 3 NaCl = FeCl3 + 3 Na(NO3)
FeCl3 + Mg + H2O = MgCl2 + Fe(OH)3 + H2 =>
2 FeCl3 + 3 Mg + 6 H2O = 3 MgCl2 + 2 Fe(OH)3 + 3 H2
Al + Hg(CH3COO)2 = Hg + Al(CH3COO)2 =>
Al + Hg(CH3COO)2 = Hg + Al(CH3COO)2
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Équations équilibrées sur10/26/24
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