| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2O + NaCl = Na2Cl + NaO
C4H8O7(aq) + NaHCO3 = NaC4H6O5 + CO2 + H2O =>
13 C4H8O7(aq) + 10 NaHCO3 = 10 NaC4H6O5 + 22 CO2 + 27 H2O
NaHCO3 = Na2CO3(s) + H2O(g) + CO2 =>
2 NaHCO3 = Na2CO3(s) + H2O(g) + CO2
VOCl2 + Cl2 + NaOH = NaVO3 + NaCl + H2O =>
2 VOCl2 + Cl2 + 8 NaOH = 2 NaVO3 + 6 NaCl + 4 H2O
As + HNO3 + H2O = H3AsO4 + N2O3 =>
4 As + 10 HNO3 + H2O = 4 H3AsO4 + 5 N2O3
KMnO4 + AsH3 + H2SO4 = H3AsO4 + MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 5 AsH3 + 12 H2SO4 = 5 H3AsO4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
La2O3 + K2CO3 + Cr2O3 + O2 = La7K3Cr10O30 + CO2 =>
7 La2O3 + 3 K2CO3 + 10 Cr2O3 + 3 O2 = 2 La7K3Cr10O30 + 3 CO2
H2SO4 + Mg(OH)2 = MgSO4 + H2O =>
H2SO4 + Mg(OH)2 = MgSO4 + 2 H2O
NaCl + Ag2(SO4) = AgCl + Na2(SO4) =>
2 NaCl + Ag2(SO4) = 2 AgCl + Na2(SO4)
Kr2Cr2O7 + H2O2 + H2SO4 = CrO5 + KrSO4 + H2O =>
Kr2Cr2O7 + 5 H2O2 + 2 H2SO4 = 2 CrO5 + 2 KrSO4 + 7 H2O
Al{+3} + Pb = Pb{+2} + Al =>
2 Al{+3} + 3 Pb = 3 Pb{+2} + 2 Al
CH3OH + KMnO4 + H3PO4 = CH2O + Mn3(PO4)2 + KH2PO4 + H2O =>
15 CH3OH + 6 KMnO4 + 10 H3PO4 = 15 CH2O + 2 Mn3(PO4)2 + 6 KH2PO4 + 24 H2O
KBrO3 + H2S = H2O + S + KBr =>
KBrO3 + 3 H2S = 3 H2O + 3 S + KBr
NaOH + LiCI = LiOH + NaCI =>
NaOH + LiCI = LiOH + NaCI
MgS = Mg + S =>
MgS = Mg + S
FeSO4 + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4 =>
FeSO4 + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4
KMnO4 + KOH = K2MnO5 + H =>
KMnO4 + KOH = K2MnO5 + H
FeSO4 + Fe(OH)2 = (FeOH)2SO4 =>
FeSO4 + Fe(OH)2 = (FeOH)2SO4
CH3CH2CH(OH)CH3 + CuO = CH3CH2CHOCH3 + Cu + H2O =>
2 CH3CH2CH(OH)CH3 + CuO = 2 CH3CH2CHOCH3 + Cu + H2O
CuCl2 + Na2CO3 + H2O = Cu2(OH)2CO3 + NaCl + CO2 =>
2 CuCl2 + 2 Na2CO3 + H2O = Cu2(OH)2CO3 + 4 NaCl + CO2
MnO4{-} + Cr{+3} + H2O = Mn{+2} + Cr2O7{-2} + H{+} =>
6 MnO4{-} + 10 Cr{+3} + 11 H2O = 6 Mn{+2} + 5 Cr2O7{-2} + 22 H{+}
VOCl2 + Cl2 + NaOH = NaVO3 + NaCl + H2O =>
2 VOCl2 + Cl2 + 8 NaOH = 2 NaVO3 + 6 NaCl + 4 H2O
Al(OH)3 + C2H5OH = CH3COOH + H2O + Al =>
4 Al(OH)3 + 3 C2H5OH = 3 CH3COOH + 9 H2O + 4 Al
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH3COO + KHSO4 = CH3COOH + KSO4 =>
CH3COO + KHSO4 = CH3COOH + KSO4
CH2CHCH2OH + KMnO4 + H2O = KOH + MnO2 + CH2(OH)CH(OH)CH2(OH) =>
3 CH2CHCH2OH + 2 KMnO4 + 4 H2O = 2 KOH + 2 MnO2 + 3 CH2(OH)CH(OH)CH2(OH)
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
CH3CH2CHBrCH3 + KOH = CH3CH2CHCH3OH + KBr =>
CH3CH2CHBrCH3 + KOH = CH3CH2CHCH3OH + KBr
Ca(OH)2 + HBrO3 = CaBr2 + H2O + O2 =>
Ca(OH)2 + 2 HBrO3 = CaBr2 + 2 H2O + 3 O2
Na2Cr2O7 + H2SO4 + NaI = Na2SO4 + I2 + Cr2(SO4)3 + H2O =>
Na2Cr2O7 + 7 H2SO4 + 6 NaI = 4 Na2SO4 + 3 I2 + Cr2(SO4)3 + 7 H2O
Fe2(SO4)3 + AgCl = Ag2SO4 + FeCl3 =>
Fe2(SO4)3 + 6 AgCl = 3 Ag2SO4 + 2 FeCl3
SnBr + KOH = SnOH + BrK =>
SnBr + KOH = SnOH + BrK
Ag(s) + Pb(NO3)2(aq) = Ag(NO3)(aq) + Pb(s) =>
2 Ag(s) + Pb(NO3)2(aq) = 2 Ag(NO3)(aq) + Pb(s)
HCl(aq) + Fe = FeCl2(aq) + H2(g) =>
2 HCl(aq) + Fe = FeCl2(aq) + H2(g)
NaVO3 + HCl + Zn = VOCl2 + NaCl + H2O + ZnCl2 =>
2 NaVO3 + 8 HCl + Zn = 2 VOCl2 + 2 NaCl + 4 H2O + ZnCl2
Zn2 + SO4 = Zn(SO4)2 =>
Zn2 + 4 SO4 = 2 Zn(SO4)2
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
NH3 + CoCl2 = HCl + Co3N2 =>
2 NH3 + 3 CoCl2 = 6 HCl + Co3N2
H + HNO3 = H2O + NO =>
3 H + HNO3 = 2 H2O + NO
Zn{3} + e = Zn =>
Zn{3} + 3e = Zn
C16H8 + O2 = CO2 + H2O =>
C16H8 + 18 O2 = 16 CO2 + 4 H2O
FeSO4 + AgCl = FeCl + Ag(SO4) =>
FeSO4 + AgCl = FeCl + Ag(SO4)
FeS2 + O3 = Fe2O3 + SO2 =>
6 FeS2 + 11 O3 = 3 Fe2O3 + 12 SO2
KI(aq) + Na2CO3(aq) = K2CO3(aq) + NaI(s) =>
2 KI(aq) + Na2CO3(aq) = K2CO3(aq) + 2 NaI(s)
Na2SO4 + Ca(OH)2 = CaSO4 + Na(OH) =>
Na2SO4 + Ca(OH)2 = CaSO4 + 2 Na(OH)
CH3CHOHCH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH3CO + H2O =>
3 CH3CHOHCH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH3CO + 7 H2O
NaOH + H5C2OOC{-}COOC2H5 = NaOOC{-}COONa + C2H5OH =>
NaOH + H5C2OOC{-}COOC2H5 = NaOOC{-}COONa + C2H5OH
H + F = HF =>
H + F = HF
BaCl + MgSO = MgCl + BaSO =>
BaCl + MgSO = MgCl + BaSO
H2SiO3 = SiO2 + H2O =>
H2SiO3 = SiO2 + H2O
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Équations équilibrées sur03/30/25
Équations équilibrées sur04/29/24
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