| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ni(NO3)2 + Na2SiO3 = NiSiO3 + 2 NaNO3
Zn = Zn{2+} + {-} =>
Zn = Zn{2+} + 2e
Al4C3 + KOH + H2O = K[Al(OH)4] + CH4 =>
Al4C3 + 4 KOH + 12 H2O = 4 K[Al(OH)4] + 3 CH4
I2 + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + NaIO3 + Na2SO4 + H2O =>
3 I2 + 5 Na2Cr2O7 + 17 H2SO4 = 5 Cr2(SO4)3 + 6 NaIO3 + 2 Na2SO4 + 17 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
K2Se + KMnO4 + H2SO4 = Se + K2SO4 + MnSO4 + H2O =>
5 K2Se + 2 KMnO4 + 8 H2SO4 = 5 Se + 6 K2SO4 + 2 MnSO4 + 8 H2O
NF3 + O2 = NO + F2 =>
2 NF3 + O2 = 2 NO + 3 F2
Cd(OH)2 + H3Po4 = Cd3(Po4)2 + H2O =>
3 Cd(OH)2 + 2 H3Po4 = Cd3(Po4)2 + 6 H2O
Sn + H2(SO4) = Sn(SO4)2 + SO2 + H2O =>
Sn + 4 H2(SO4) = Sn(SO4)2 + 2 SO2 + 4 H2O
Mg(CH3COO)2 = MgO + CO2 + CH3COCH3 =>
Mg(CH3COO)2 = MgO + CO2 + CH3COCH3
I2 + O3 = IO3 =>
I2 + 2 O3 = 2 IO3
NaCl(aq)KOH(aq) = KCl(aq)NaOH(aq) =>
NaCl(aq)KOH(aq) = KCl(aq)NaOH(aq)
CH3(CH2)4CH3(l) + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3(l) + 19 O2 = 12 CO2 + 14 H2O
Cu2NO3 + NaOH = Cu2OH + NaNO3 =>
Cu2NO3 + NaOH = Cu2OH + NaNO3
Cs + CsNO3 = Cs2O + N =>
5 Cs + CsNO3 = 3 Cs2O + N
HCl + NaClO + KI = KCl + NaCl + I + H2O =>
2 HCl + NaClO + 2 KI = 2 KCl + NaCl + 2 I + H2O
C2H2O4 = C + H2 + O2 =>
C2H2O4 = 2 C + H2 + 2 O2
Pb(NO3)2(aq) + Na2C2O4(aq) = NaNO3 + PbC2O4 =>
Pb(NO3)2(aq) + Na2C2O4(aq) = 2 NaNO3 + PbC2O4
KMnO4 + NaCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + Na2SO4 =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = 5 Cl2 + K2SO4 + 2 MnSO4 + 8 H2O + 5 Na2SO4
NH4ClO4 + H2O = NH3 + ClO4 + H3O =>
NH4ClO4 + H2O = NH3 + ClO4 + H3O
HClO4 + NaOH = H2O + O2 + NaCl =>
HClO4 + NaOH = H2O + 2 O2 + NaCl
F2 + FeCl2 = FCl + Fe =>
F2 + FeCl2 = 2 FCl + Fe
Mg(OH)2(aq) + HF(aq) = MgF2(aq) + H2O =>
Mg(OH)2(aq) + 2 HF(aq) = MgF2(aq) + 2 H2O
Cu(s) + S(g) = Cu2S(s) =>
2 Cu(s) + S(g) = Cu2S(s)
Al + LiCl = Li + AlCl3 =>
Al + 3 LiCl = 3 Li + AlCl3
MnS + HBr = MnBr2 + H2S =>
MnS + 2 HBr = MnBr2 + H2S
Al(s) + HNO3(aq) = Al(NO3)3(aq) + NO(g) + H2O(l) =>
Al(s) + 4 HNO3(aq) = Al(NO3)3(aq) + NO(g) + 2 H2O(l)
Zn + C = ZnC2 =>
Zn + 2 C = ZnC2
Cl2 + CuI = CuCl2 + I =>
Cl2 + CuI = CuCl2 + I
Zn + CuO2 = ZnO2 + Cu =>
Zn + CuO2 = ZnO2 + Cu
CaC2O4 + C6H8O7 = H2O + CaC8O7 =>
CaC2O4 + C6H8O7 = 4 H2O + CaC8O7
Mg + Na = Mg3Na =>
3 Mg + Na = Mg3Na
KNO3 + C6H8O6 = K2CO3 + CO + H2O + N2 =>
2 KNO3 + C6H8O6 = K2CO3 + 5 CO + 4 H2O + N2
Au(s) + HCl(aq) = AuCl(s) + H2(g) =>
2 Au(s) + 2 HCl(aq) = 2 AuCl(s) + H2(g)
Chromium(III)SulfideCopper(II)Nitrate = Copper(II)SulfideChromium(III)Nitrate =>
Chromium(III)SulfideCopper(II)Nitrate = Copper(II)SulfideChromium(III)Nitrate
ZrO(NO3)2 + H2O = ZrO(OH)2 + HNO3 =>
ZrO(NO3)2 + 2 H2O = ZrO(OH)2 + 2 HNO3
CO2(g) + N2(g) = NO(g) + CO(g) =>
2 CO2(g) + N2(g) = 2 NO(g) + 2 CO(g)
Pb(CH3COO)2 + NH4Br = PbBr2 + CH3COONH4 =>
Pb(CH3COO)2 + 2 NH4Br = PbBr2 + 2 CH3COONH4
Au + AgNO3 = AuNO3 + Ag =>
Au + AgNO3 = AuNO3 + Ag
Na2S(aq) + HCl(aq) = NaCl + H2S =>
Na2S(aq) + 2 HCl(aq) = 2 NaCl + H2S
NH4HCO3 + HNO3 = (NH4)(NO3) + H2O + CO2 =>
NH4HCO3 + HNO3 = (NH4)(NO3) + H2O + CO2
Cr2O3 + P2O5 = CrPO4 =>
Cr2O3 + P2O5 = 2 CrPO4
K2[Zn(OH)4] = Zn(OH)2 + KOH =>
K2[Zn(OH)4] = Zn(OH)2 + 2 KOH
W(OH)3 + NaBiO3 + H2SO4 = H2WO4 + Bi2(SO4)3 + Na2SO4 + H2O =>
4 W(OH)3 + 6 NaBiO3 + 12 H2SO4 = 4 H2WO4 + 3 Bi2(SO4)3 + 3 Na2SO4 + 14 H2O
Al + H2C2O4 = Al(C2O4)3 + H2 =>
Al + 3 H2C2O4 = Al(C2O4)3 + 3 H2
CuSO4(aq) + NaHCO3(aq) = Cu(HCO3)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaHCO3(aq) = Cu(HCO3)2(s) + Na2SO4(aq)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
ClO2(g) + OH{-} = ClO3{-}(aq) + ClO2{-}(aq) + H2O =>
2 ClO2(g) + 2 OH{-} = ClO3{-}(aq) + ClO2{-}(aq) + H2O
FeTiO3 + O2 = Fe2O3 + TiO2 =>
4 FeTiO3 + O2 = 2 Fe2O3 + 4 TiO2
Mg + CrCl3 = MgCl2 + Cr =>
3 Mg + 2 CrCl3 = 3 MgCl2 + 2 Cr
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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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