| Équations équilibrées la veille | Équations équilibrées le lendemain |
KOH + HBr = KBr + H2O
H3PO3 + Na = NaPO3 + H =>
H3PO3 + Na = NaPO3 + 3 H
NaHCO3Ca(OH)2 = CaCO3H2ONaOH =>
NaHCO3Ca(OH)2 = CaCO3H2ONaOH
Li + Eu2O3 + V2O5 = Li4Eu4V6O20 + Li2O =>
6 Li + 2 Eu2O3 + 3 V2O5 = Li4Eu4V6O20 + Li2O
Ca(HCO3)2 + HCl = CaCl2 + (HCO3)H =>
Ca(HCO3)2 + 2 HCl = CaCl2 + 2(HCO3)H
K2 + B = KB =>
K2 + 2 B = 2 KB
(NH4)2S + ZnCl2 = (NH4)2Cl2 + ZnS =>
(NH4)2S + ZnCl2 = (NH4)2Cl2 + ZnS
Na2Co3 + H2O2 = NaOH + Co =>
Na2Co3 + H2O2 = 2 NaOH + 3 Co
Na2SO3 + NaMnO4 + NaOH = Na2MnO4 + Na2SO4 + H2O =>
Na2SO3 + 2 NaMnO4 + 2 NaOH = 2 Na2MnO4 + Na2SO4 + H2O
AlH3 + HOH = Al(OH)3 + H2 =>
AlH3 + 3 HOH = Al(OH)3 + 3 H2
K2S + CrI3 = KI + S3Cr2 =>
3 K2S + 2 CrI3 = 6 KI + S3Cr2
Na2 + SO4 + CaNO3 = NaNO3 + Ca2SO4 =>
Na2 + SO4 + 2 CaNO3 = 2 NaNO3 + Ca2SO4
Re + HNO3 = Re(NO3)2 + NO2 + H2O =>
Re + 4 HNO3 = Re(NO3)2 + 2 NO2 + 2 H2O
HNOKOH = KNOHOH =>
HNOKOH = KNOHOH
Al2(SO4)3H2O = Al2(SO4)3 + H2O =>
Al2(SO4)3H2O = Al2(SO4)3 + H2O
H2SO4 + NaOH = H2(OH) + (SO4)Na =>
H2SO4 + NaOH = H2(OH) + (SO4)Na
Al + OH = Al(OH)3 =>
Al + 3 OH = Al(OH)3
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
Mn{2+} + ClO3{-} + H2O = MnO2 + Cl{-} + H{+} =>
3 Mn{2+} + ClO3{-} + 3 H2O = 3 MnO2 + Cl{-} + 6 H{+}
Zn(OH)4{2-} + HCl = ZnCl4{2-} + H2O =>
Zn(OH)4{2-} + 4 HCl = ZnCl4{2-} + 4 H2O
Na + C2H2 = Na2C2 + H2 =>
2 Na + C2H2 = Na2C2 + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CaCl2 + NaHCO3 = CaCO3 + H2O + CO2 + NaCl =>
CaCl2 + 2 NaHCO3 = CaCO3 + H2O + CO2 + 2 NaCl
HO1 = HO =>
HO1 = HO
NaSiO3 + HF = NaSiF6 + H2O =>
NaSiO3 + 6 HF = NaSiF6 + 3 H2O
HPO2 = H + PO2 =>
HPO2 = H + PO2
NaHCO3 = Na2O + H2O + CO2 =>
2 NaHCO3 = Na2O + H2O + 2 CO2
BaI2 + Br2 = BrI + Ba =>
BaI2 + Br2 = 2 BrI + Ba
Ca(s) + F2 = CaF2 =>
Ca(s) + F2 = CaF2
Na2CO3 + KMnO4 + H2O = Na2CO4 + KOH + MnO2 =>
3 Na2CO3 + 2 KMnO4 + H2O = 3 Na2CO4 + 2 KOH + 2 MnO2
K2Cr2O7 + HCl + SnCl2 = CrCl3 + KCl + SnCl4 + H2O =>
K2Cr2O7 + 14 HCl + 3 SnCl2 = 2 CrCl3 + 2 KCl + 3 SnCl4 + 7 H2O
Hf(cr)N2(g) = Hf2N4(cr) =>
2 Hf(cr)N2(g) = Hf2N4(cr)
Mg + CuCl = Cu + MgCl2 =>
Mg + 2 CuCl = 2 Cu + MgCl2
K2Cr2O7 + HCl + SnCl2 = CrCl3 + KCl + SnCl4 + H2O =>
K2Cr2O7 + 14 HCl + 3 SnCl2 = 2 CrCl3 + 2 KCl + 3 SnCl4 + 7 H2O
NaOH + MgCl = NaCl + MgOH =>
NaOH + MgCl = NaCl + MgOH
Al + OH = Al(OH)3 =>
Al + 3 OH = Al(OH)3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AlO + H2O = Al + H2O2 =>
AlO + H2O = Al + H2O2
Al + OH = Al(OH)3 =>
Al + 3 OH = Al(OH)3
HCl2 + Mg = HCl2Mg =>
HCl2 + Mg = HCl2Mg
SO5 + H2O = H2SO6 =>
SO5 + H2O = H2SO6
[Cr(OH)4]{-} + Na2O2 = CrO4{-2} + OH{-} + Na{+} + H2O =>
2[Cr(OH)4]{-} + 3 Na2O2 = 2 CrO4{-2} + 4 OH{-} + 6 Na{+} + 2 H2O
Tb2O7 + HCl = TbCl3 + H2O + O2 =>
Tb2O7 + 6 HCl = 2 TbCl3 + 3 H2O + 2 O2
BaO + H3PO4 = Ba3(PO4)2 + H2O =>
3 BaO + 2 H3PO4 = Ba3(PO4)2 + 3 H2O
CO + LiOH = COH + LiO =>
CO + LiOH = COH + LiO
CaCl2 + Ca(OH)2 = CaOH + Cl(OH)3 =>
CaCl2 + 7 Ca(OH)2 = 8 CaOH + 2 Cl(OH)3
(NH4)2SO4*FeSO4*6H2O + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4 + (NH4)2SO4 + H2O =>
(NH4)2SO4*FeSO4*6H2O + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4 + (NH4)2SO4 + 6 H2O
Na3BO3 + HCl = NaCl + H3BO3 =>
Na3BO3 + 3 HCl = 3 NaCl + H3BO3
Ca(NO3)2 + Na = NaNO3 + Ca =>
Ca(NO3)2 + 2 Na = 2 NaNO3 + Ca
Na2CO3(aq) + KNO3(aq) = K2CO3(aq) + NaNO3(aq) =>
Na2CO3(aq) + 2 KNO3(aq) = K2CO3(aq) + 2 NaNO3(aq)
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Équations équilibrées sur11/16/24
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