| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CO = C + CO2
CaSO4 + CaCl2 = ClSO4 + Ca =>
2 CaSO4 + CaCl2 = 2 ClSO4 + 3 Ca
Ra(s) + O2(g) = RaO(s) =>
2 Ra(s) + O2(g) = 2 RaO(s)
Cr2O7{2‐} + Cl{-} + H{+} = Cl2 + Cr{3+} + H2O =>
Cr2O7{2‐} + 10 Cl{-} + 14 H{+} = 5 Cl2 + 2 Cr{3+} + 7 H2O
Cr(OH)2 = Cr + O + H =>
Cr(OH)2 = Cr + 2 O + 2 H
I({-}) + MnO4({-}) + H2O = IO3{-} + MnO2 + OH({-}) =>
I({-}) + 2 MnO4({-}) + H2O = IO3{-} + 2 MnO2 + 2 OH({-})
Zn(OH)2 + NH3 = Zn((NH3)6)(OH)2 =>
Zn(OH)2 + 6 NH3 = Zn((NH3)6)(OH)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C7H8O + C4H6O3 = C9H10O2 + C2H4O =>
13 C7H8O + 5 C4H6O3 = 11 C9H10O2 + 6 C2H4O
H3O{+} + CO3{-2} = CO2 + H2O =>
2 H3O{+} + CO3{-2} = CO2 + 3 H2O
sulfur + ozone = sulfurdioxide =>
3 S + 2 O3 = 3 SO2
BaMn2O8 + Na2SO4 = BaSO4 + NaMnO4 =>
BaMn2O8 + Na2SO4 = BaSO4 + 2 NaMnO4
Fe2O3 + H2SO3 = Fe(HSO3)3 + H2O =>
Fe2O3 + 6 H2SO3 = 2 Fe(HSO3)3 + 3 H2O
CoS + KI + KIO3 + H2O = Co(OH)2 + K2S + I2 =>
3 CoS + 5 KI + KIO3 + 3 H2O = 3 Co(OH)2 + 3 K2S + 3 I2
Fe + O + S + (H2O) = FeOS(H2O) =>
Fe + O + S + (H2O) = FeOS(H2O)
Na2SO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + SO2(g) =>
Na2SO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + SO2(g)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2SO4(aq) + Ca(OH)2(s) = CaSO4(s) + H2O(l) =>
H2SO4(aq) + Ca(OH)2(s) = CaSO4(s) + 2 H2O(l)
C6H8O7 + NaHCO3 = C6H5Na3O7 + CO2 + H2O =>
C6H8O7 + 3 NaHCO3 = C6H5Na3O7 + 3 CO2 + 3 H2O
RuCl4 = RuCl3 + *5Cl2 =>
10 RuCl4 = 10 RuCl3 + *5Cl2
CeMgAl11O19Tb + NaOH + O2 = MgO + Na2CeO3 + NaTbO2 + NaAlO2 + H2O =>
CeMgAl11O19Tb + 14 NaOH + O2 = MgO + Na2CeO3 + NaTbO2 + 11 NaAlO2 + 7 H2O
Na3PO4 + K2S = Na2S + K3PO4 =>
2 Na3PO4 + 3 K2S = 3 Na2S + 2 K3PO4
Cu(NO3)2 + NaI = CuI + Na(NO3) + I2 =>
2 Cu(NO3)2 + 4 NaI = 2 CuI + 4 Na(NO3) + I2
Cu{2+} + Au = Au{3+} + Cu =>
3 Cu{2+} + 2 Au = 2 Au{3+} + 3 Cu
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CoCl2*6H2O + X + H2O2 + HCl = [Co(X)2Cl2]Cl + H2O =>
2 CoCl2*6H2O + 4 X + H2O2 + 2 HCl = 2[Co(X)2Cl2]Cl + 14 H2O
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO2(g) + H2O() =>
Cu(s) + 4 HNO3 = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O()
I2 + K2S + KOH = KI + K2SO8 + H2O =>
8 I2 + K2S + 16 KOH = 16 KI + K2SO8 + 8 H2O
C3H10 + Br2 = C3H8 + HBr =>
C3H10 + Br2 = C3H8 + 2 HBr
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
C2H8O7P2 + NaOH = C2H4O7P2Na4*2H2O + H2O =>
C2H8O7P2 + 4 NaOH = C2H4O7P2Na4*2H2O + 2 H2O
C3H8 + Cl2(hv) = C3H7Cl + HCl =>
C3H8 + Cl2(hv) = C3H7Cl + HCl
K2(HgI4) + AgNO3 = Ag2(HgI4) + NO3 + K =>
K2(HgI4) + 2 AgNO3 = Ag2(HgI4) + 2 NO3 + 2 K
NaCl + Na3PO4 = Na3Cl + NaPO4 =>
NaCl + Na3PO4 = Na3Cl + NaPO4
SiO2(s) + C(s) = CO(g) + SiC =>
SiO2(s) + 3 C(s) = 2 CO(g) + SiC
Mg(s) + HSO = MgSO + H =>
Mg(s) + HSO = MgSO + H
C8H8Br2 + C4H9Cl + AlCl3 = C12H16Br2 + HAlCl4 =>
C8H8Br2 + C4H9Cl + AlCl3 = C12H16Br2 + HAlCl4
CUO + H2 = CU + H2O =>
CUO + H2 = CU + H2O
CH3COOH + Li2CO3 = LiC2H3O2 + H2O + CO2 =>
2 CH3COOH + Li2CO3 = 2 LiC2H3O2 + H2O + CO2
C4H2Br2S = C4Br4S + C4H3BrS =>
3 C4H2Br2S = C4Br4S + 2 C4H3BrS
Cu12As4S13 + H2SO4 + O2 = H3AsO4 + CuSO4 + S =>
Cu12As4S13 + 6 H2SO4 + 20 O2 = 4 H3AsO4 + 12 CuSO4 + 7 S
C10H8(s) + O2(g) = CO2(g) + H20(i) =>
5 C10H8(s) + 50 O2(g) = 50 CO2(g) + 2 H20(i)
Pb(NO3) + Na(CrO4) = Pb(CrO4) + Na(NO3) =>
Pb(NO3) + Na(CrO4) = Pb(CrO4) + Na(NO3)
C6H10O5 + C6H8O7 = C12H18O12 =>
C6H10O5 + C6H8O7 = C12H18O12
Cu(NO3)3 + (NH4)3PO4 = CuPO4 + NH4NO3 =>
Cu(NO3)3 + (NH4)3PO4 = CuPO4 + 3 NH4NO3
Cu2S(s) + O2(g) = Cu(s)4 + SO2(g) =>
2 Cu2S(s) + 2 O2(g) = Cu(s)4 + 2 SO2(g)
MgCl2(aq) + NaOH(aq) = Mg(OH)2(s) + NaCl(s) =>
MgCl2(aq) + 2 NaOH(aq) = Mg(OH)2(s) + 2 NaCl(s)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C5H10O(l) + O2(g) = CO2(g) + H2O(l) =>
C5H10O(l) + 7 O2(g) = 5 CO2(g) + 5 H2O(l)
Cr + H3PO4 = Cr2(PO4)2 + H2 =>
2 Cr + 2 H3PO4 = Cr2(PO4)2 + 3 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/18/25
Équations équilibrées sur03/20/24
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