| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CuCl2 + 2 NaHPO2 + 10 NaOH = 3 Cu + 2 Na3PO4 + 6 H2O + 6 NaCl
Hg(OH)2 + NaOH = Na2HgO2 + H2O =>
Hg(OH)2 + 2 NaOH = Na2HgO2 + 2 H2O
ZnCl2 + (NH4)2S = ZnS + (NH4)Cl =>
ZnCl2 + (NH4)2S = ZnS + 2(NH4)Cl
Cu(s) + HNO3(l) = Cu(NO3)2(aq) + H2O(l) + NO2(g) =>
Cu(s) + 4 HNO3(l) = Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g)
MgO + Al2O3 + HNO3 + H2O = Mg6Al2(OH)16(NO3)2 =>
6 MgO + Al2O3 + 2 HNO3 + 7 H2O = Mg6Al2(OH)16(NO3)2
CoI2 + Rb3PO4 = CoPO4 + I2Rb3 =>
CoI2 + Rb3PO4 = CoPO4 + I2Rb3
CHClF2 = HCl + C2F4 =>
2 CHClF2 = 2 HCl + C2F4
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HCl + Pb(No3)2 = HNo3 + PbCl2 =>
2 HCl + Pb(No3)2 = 2 HNo3 + PbCl2
C6H5Cl + O2 = CO + H2O + HCl =>
C6H5Cl + 4 O2 = 6 CO + 2 H2O + HCl
N2O + CO2 + H2O = HNO2 + CH4 =>
2 N2O + CO2 + 4 H2O = 4 HNO2 + CH4
CH4 + S2 = CS2 + H2S =>
CH4 + 2 S2 = CS2 + 2 H2S
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
CrO4{2-} + H2PO2{-} + H2O = Cr(OH)3 + H2PO3{-} + OH{-} =>
2 CrO4{2-} + 3 H2PO2{-} + 5 H2O = 2 Cr(OH)3 + 3 H2PO3{-} + 4 OH{-}
H20(water) + CO2 = C6H12O6 + O2 =>
3 H20(water) + 30 CO2 = 5 C6H12O6 + 15 O2
HC2H3O2 + Na2CO3 = H2O + CO2 + NaC2H3O2 =>
2 HC2H3O2 + Na2CO3 = H2O + CO2 + 2 NaC2H3O2
NaNO2 + KI + H2SO4 = H2O + I2 + K2SO4 + NO + Na2SO4 =>
2 NaNO2 + 2 KI + 2 H2SO4 = 2 H2O + I2 + K2SO4 + 2 NO + Na2SO4
Be + HOH = Be(OH)2 + H2 =>
Be + 2 HOH = Be(OH)2 + H2
NaNO2 + KI + H2SO4 = H2O + I2 + K2SO4 + NO + Na2SO4 =>
2 NaNO2 + 2 KI + 2 H2SO4 = 2 H2O + I2 + K2SO4 + 2 NO + Na2SO4
Na2S = Na + S8 =>
8 Na2S = 16 Na + S8
Fe + MgCl2 = FeCl2 + Mg =>
Fe + MgCl2 = FeCl2 + Mg
Sr + N2 = SrN2 =>
Sr + N2 = SrN2
{-}acetanilide = {-}cinnamicacid =>
{-}acetanilide = {-}cinnamicacid
K2S = K + S =>
K2S = 2 K + S
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
Na2CO3 + HCl = CO2 + H2O + NaCl =>
Na2CO3 + 2 HCl = CO2 + H2O + 2 NaCl
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Ca3(PO4)2(s) + H2SO4(aq) = CaSO4(s) + H3PO4(aq) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 3 CaSO4(s) + 2 H3PO4(aq)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
N2O5 = N0 + O2 =>
2 N2O5 = 4 N0 + 5 O2
CuSO4 + NaCl = NaSO4 + CuCl =>
CuSO4 + NaCl = NaSO4 + CuCl
C2HCl3 + HF = C2H2ClF3 + HCl =>
C2HCl3 + 3 HF = C2H2ClF3 + 2 HCl
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
Na2SiO3 + AgNO3 = Ag2SiO3 + NaNO3 =>
Na2SiO3 + 2 AgNO3 = Ag2SiO3 + 2 NaNO3
MnCl2 + Br + NH4OH = MnO2 + NH4Cl + NH4Br + H2O =>
MnCl2 + 2 Br + 4 NH4OH = MnO2 + 2 NH4Cl + 2 NH4Br + 2 H2O
Cl2 + SBr = SCl + Br =>
Cl2 + 2 SBr = 2 SCl + 2 Br
MnO4 + SnCl2 + HCl = MnCl2 + SnCl4 + H2O =>
MnO4 + 3 SnCl2 + 8 HCl = MnCl2 + 3 SnCl4 + 4 H2O
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
Na2Cr2O7 + Zn(ClO3)2 = NaClO3 + ZnCr2O7 =>
Na2Cr2O7 + Zn(ClO3)2 = 2 NaClO3 + ZnCr2O7
NaCHO3 + CH3COOH = CH3COONa + CO2 + H2O =>
NaCHO3 + CH3COOH = CH3COONa + CO2 + H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CaO + SiO2 + Al2O3 = CaOSiO2Al2O3 =>
CaO + SiO2 + Al2O3 = CaOSiO2Al2O3
AsH3 + KOH = As2O5 + H2O + K =>
2 AsH3 + 16 KOH = As2O5 + 11 H2O + 16 K
CH2CH4 + O2 = CO2 + H2O =>
2 CH2CH4 + 7 O2 = 4 CO2 + 6 H2O
C5H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C5H10(g) + 15 O2(g) = 10 CO2(g) + 10 H2O(g)
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