| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Pb + 3 H2SO4 + 2 HNO3 = 3 PbSO4 + 2 NO + 4 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C10H12N2O8Na4 + H3BO3 + H2O = C10H12N2O8B + NaOH + H =>
C10H12N2O8Na4 + H3BO3 + H2O = C10H12N2O8B + 4 NaOH + H
H3PO3 + SnCl2 + H2O = H3PO4 + Sn + HCl =>
H3PO3 + SnCl2 + H2O = H3PO4 + Sn + 2 HCl
Be + PO4 = BePO4 =>
Be + PO4 = BePO4
AgCO3 + HCl = AgCl + HCO3 =>
AgCO3 + HCl = AgCl + HCO3
Ag(NO3) + AlCl3 = AgCl + Al(NO3)3 =>
3 Ag(NO3) + AlCl3 = 3 AgCl + Al(NO3)3
Na2S + H2O = Na2O + H2S =>
Na2S + H2O = Na2O + H2S
H2O2 + NO2{-} = NO3{-} + H2O =>
H2O2 + NO2{-} = NO3{-} + H2O
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
CsCl + (NH4)2HPO4 + Fe2O3 = Cs7Fe7(PO4)8O2 + NH3 + HCl + H2O =>
14 CsCl + 16(NH4)2HPO4 + 7 Fe2O3 = 2 Cs7Fe7(PO4)8O2 + 32 NH3 + 14 HCl + 17 H2O
Na2(SO4) + CuS = CuSO4 + Na2S =>
Na2(SO4) + CuS = CuSO4 + Na2S
NiCl3 + Cs2S = Ni2S3 + CsCl =>
2 NiCl3 + 3 Cs2S = Ni2S3 + 6 CsCl
Cs + CuSO4 = Cs2SO4 + Cu =>
2 Cs + CuSO4 = Cs2SO4 + Cu
H2 + MnO2 = MnO + H2O =>
H2 + MnO2 = MnO + H2O
K + Al(CO3)3 = Al + K2CO3 =>
6 K + Al(CO3)3 = Al + 3 K2CO3
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
CaCl2 + NaH = CaH2 + NaCl =>
CaCl2 + 2 NaH = CaH2 + 2 NaCl
Co2 + H3 = Co5H2 =>
15 Co2 + 4 H3 = 6 Co5H2
C2H6 + O2 = C2O2 + H2O =>
2 C2H6 + 5 O2 = 2 C2O2 + 6 H2O
FeNO3 + K2CO3 = K3 + NO3 + FeCO3 =>
3 FeNO3 + 3 K2CO3 = 2 K3 + 3 NO3 + 3 FeCO3
Si + Cu2O = SiO + Cu =>
Si + Cu2O = SiO + 2 Cu
CuCl2 + KF = KCl + CuF2 =>
CuCl2 + 2 KF = 2 KCl + CuF2
FeCO3 + O2 + H2O = FeO3 + H2CO3 =>
FeCO3 + O2 + H2O = FeO3 + H2CO3
CaC2 + O2 = Ca + CO =>
CaC2 + O2 = Ca + 2 CO
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
Mg2 + CuO = MgO + Cu =>
Mg2 + 2 CuO = 2 MgO + 2 Cu
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
HCrO4 + Na2OH = Na2CrO4 + H2O =>
HCrO4 + Na2OH = Na2CrO4 + H2O
K2FeO4 + CrSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2FeO4 + 6 CrSO4 + 8 H2SO4 = Fe2(SO4)3 + 3 Cr2(SO4)3 + 2 K2SO4 + 8 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
NaOH + HCl = NaOHCl2 + H2 =>
NaOH + 2 HCl = NaOHCl2 + H2
CH2O + HCN + H2O = C2H5NO2 =>
CH2O + HCN + H2O = C2H5NO2
CaO + F2 = CaF2 + O =>
CaO + F2 = CaF2 + O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Sn + H2S = SnS2 + H2 =>
Sn + 2 H2S = SnS2 + 2 H2
Na2Cr2O7 + H2TeO4 + H2S = NaHTeO4 + Cr2(TeO4)3 + H2O + S =>
Na2Cr2O7 + 5 H2TeO4 + 3 H2S = 2 NaHTeO4 + Cr2(TeO4)3 + 7 H2O + 3 S
Fe3O4 + Zn = Fe + ZnO =>
Fe3O4 + 4 Zn = 3 Fe + 4 ZnO
CH3CH2COO + H2O = CH3CH2COOH + OH =>
CH3CH2COO + H2O = CH3CH2COOH + OH
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
O8P2Sr3 + C6H9AlO6 = C4H6SrO4 + AlPO4 =>
O8P2Sr3 + 2 C6H9AlO6 = 3 C4H6SrO4 + 2 AlPO4
Zn(NO3)2 + RbOH = Zn(OH)2 + RbNO3 =>
Zn(NO3)2 + 2 RbOH = Zn(OH)2 + 2 RbNO3
*Na + S = Na2S =>
2*Na + S = Na2S
Na + MgCr2O7 = Mg2 + Na2Cr2O7 =>
4 Na + 2 MgCr2O7 = Mg2 + 2 Na2Cr2O7
Xe(g) + F2(g) = XeF4(s) =>
Xe(g) + 2 F2(g) = XeF4(s)
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
MgH2 = Mg + H2 =>
MgH2 = Mg + H2
*C4H10 + *O2 = *CO2 + *H2O =>
2*C4H10 + 13*O2 = 8*CO2 + 10*H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/27/24
Équations équilibrées sur11/26/23
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