| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr + 4 OH = Cr(OH)4
C6H12 + NaMnO4 + H2SO4 = C3H6O + MnSO4 + Na2SO4 + H2O =>
5 C6H12 + 4 NaMnO4 + 6 H2SO4 = 10 C3H6O + 4 MnSO4 + 2 Na2SO4 + 6 H2O
W + Si = WSi2 =>
W + 2 Si = WSi2
Ti2S3 + H2O = H2S + Ti2O3 =>
Ti2S3 + 3 H2O = 3 H2S + Ti2O3
ScF3 + Al = AlSc + AlF3 =>
ScF3 + 2 Al = AlSc + AlF3
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
HBr(aq) = H + Br =>
HBr(aq) = H + Br
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
CH3CH2OH + Cr2O7{-2} + H{+} = Cr{+3} + CH3CO2H + H2O =>
3 CH3CH2OH + 2 Cr2O7{-2} + 16 H{+} = 4 Cr{+3} + 3 CH3CO2H + 11 H2O
Cu + HNO3(concentrado) = CuNO3 + H2 =>
2 Cu + 2 HNO3(concentrado) = 2 CuNO3 + H2
Be(OH)2(aq) = Be2(aq) + OH(aq) =>
2 Be(OH)2(aq) = Be2(aq) + 4 OH(aq)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ag2S(s) + O2(g) = Ag + SO2 =>
Ag2S(s) + O2(g) = 2 Ag + SO2
KMnO4 + Na2S + HCl = KCl + MnCl2 + Na2SO4 + H2O =>
8 KMnO4 + 5 Na2S + 24 HCl = 8 KCl + 8 MnCl2 + 5 Na2SO4 + 12 H2O
Ca(NH2)2 = CaNH + NH3 =>
Ca(NH2)2 = CaNH + NH3
Pb(ClO4)2 + NaBr = PbBr2 + NaClO4 =>
Pb(ClO4)2 + 2 NaBr = PbBr2 + 2 NaClO4
Cu + NO3H = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 NO3H = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ni(NO3)3 + KBr = NiK3 + NO3Br =>
Ni(NO3)3 + 3 KBr = NiK3 + 3 NO3Br
CHON + O2 = CO2 + H2O + N =>
4 CHON + 3 O2 = 4 CO2 + 2 H2O + 4 N
Cu(s) + H2O(l) = CuO(s) + H2(g) =>
Cu(s) + H2O(l) = CuO(s) + H2(g)
Sr + Br2 = SrBr =>
2 Sr + Br2 = 2 SrBr
HCHO + NaOH + NH3 = C7H11NO6Na4 + H2O =>
7 HCHO + 4 NaOH + NH3 = C7H11NO6Na4 + 5 H2O
Ru(NO3)3 = RuO2 + NO2 + O2 =>
2 Ru(NO3)3 = 2 RuO2 + 6 NO2 + O2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Si + MnO2 = MnSiO3 + Mn =>
2 Si + 3 MnO2 = 2 MnSiO3 + Mn
Cr + OH = CrO4 + H2O =>
Cr + 8 OH = CrO4 + 4 H2O
BaO(s)H2O(l) = Ba(OH)2(aq) =>
BaO(s)H2O(l) = Ba(OH)2(aq)
FeCl2 + Ni(CN)2 = Fe(CN)2 + NiCl2 =>
FeCl2 + Ni(CN)2 = Fe(CN)2 + NiCl2
SO2 + NaNO3 = Na2SO4 + NO2 =>
SO2 + 2 NaNO3 = Na2SO4 + 2 NO2
P + Cl2 + H2O = H3PO4 + HCl =>
2 P + 5 Cl2 + 8 H2O = 2 H3PO4 + 10 HCl
Cu + NO3H = (NO3)2Cu + NO + H2O =>
3 Cu + 8 NO3H = 3(NO3)2Cu + 2 NO + 4 H2O
Si + MnO2 = SiO + Mn =>
2 Si + MnO2 = 2 SiO + Mn
C2H4O2 + CuO = Cu(C2H3O2)2 + H2O =>
2 C2H4O2 + CuO = Cu(C2H3O2)2 + H2O
Cr + OH = Cr(OH)2 =>
Cr + 2 OH = Cr(OH)2
NH2CH2COOH + HNO3 = HOCH2COOH + N2 + H2O =>
5 NH2CH2COOH + 3 HNO3 = 5 HOCH2COOH + 4 N2 + 4 H2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
KClO4 + P = P4O10 + KCl =>
5 KClO4 + 8 P = 2 P4O10 + 5 KCl
P + Cl2 + H2O = H3PO3 + HCl =>
2 P + 3 Cl2 + 6 H2O = 2 H3PO3 + 6 HCl
NiCl2 + HCl = NiCl4 + H =>
NiCl2 + 2 HCl = NiCl4 + 2 H
Si + MnO2 = Mn2SiO4 =>
Si + 2 MnO2 = Mn2SiO4
Mg + H2O = Mg(OH)2 + hydrogen =>
Mg + 2 H2O = Mg(OH)2 + H2
Na + Fe2O = Na2O + Fe5 =>
10 Na + 5 Fe2O = 5 Na2O + 2 Fe5
PSCl3 + NaOH = Na3PSO3 + NaCl + H2O =>
PSCl3 + 6 NaOH = Na3PSO3 + 3 NaCl + 3 H2O
Cr + OH = Cr(OH) =>
Cr + OH = Cr(OH)
AgPO4 + CaSO3 = CaPO4 + AgSO3 =>
AgPO4 + CaSO3 = CaPO4 + AgSO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al(s) + OH(g) = Al(OH)3(a) =>
Al(s) + 3 OH(g) = Al(OH)3(a)
H2CO3 = HCO3{-} + H{+} =>
H2CO3 = HCO3{-} + H{+}
NO2 + H2SO4 = HNO3 + SO2 =>
2 NO2 + H2SO4 = 2 HNO3 + SO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/17/25
Équations équilibrées sur03/19/24
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