| Équations équilibrées la veille |
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Mg(s) + Cu(SO4)2(aq) = MgSO4(aq) + Cu(aq) =>
2 Mg(s) + Cu(SO4)2(aq) = 2 MgSO4(aq) + Cu(aq)
HCl + AlO2H = AlCl3 + H2O =>
3 HCl + AlO2H = AlCl3 + 2 H2O
(NH4)2 + CO3 = NH3 + CO2 + H2O =>
(NH4)2 + CO3 = 2 NH3 + CO2 + H2O
C19H36O2 + O2 = CO2 + H2O =>
C19H36O2 + 27 O2 = 19 CO2 + 18 H2O
Sn + I = SnI3 =>
Sn + 3 I = SnI3
FeS + Al(NO3)3 = Fe(NO3)2 + Al2S3 =>
3 FeS + 2 Al(NO3)3 = 3 Fe(NO3)2 + Al2S3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
C6H12O2 + H2O = CO2 + H2 =>
C6H12O2 + 10 H2O = 6 CO2 + 16 H2
NH4Cl + Zn(NO3)2 = ZnCl2 + NH4(NO3) =>
2 NH4Cl + Zn(NO3)2 = ZnCl2 + 2 NH4(NO3)
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
(Al)2(O)3 = Al + (O)2 =>
2(Al)2(O)3 = 4 Al + 3(O)2
Fe + H2S = S2Fe4 + H2 =>
4 Fe + 2 H2S = S2Fe4 + 2 H2
KMnO4 + KCl + H2SO4 = Mn2(SO4)3 + KHSO4 + Cl2 + H2O =>
2 KMnO4 + 8 KCl + 13 H2SO4 = Mn2(SO4)3 + 10 KHSO4 + 4 Cl2 + 8 H2O
HNO3 + Na2S = Na2SO4 + H2O + NO2 =>
8 HNO3 + Na2S = Na2SO4 + 4 H2O + 8 NO2
S2Cl2 + NH4Cl = S + NH4Cl4 =>
3 S2Cl2 + 2 NH4Cl = 6 S + 2 NH4Cl4
FeO + S = Fe + SO2 =>
2 FeO + S = 2 Fe + SO2
H2S + IO3{-} = I2 + SO4{2-} + H2O + H{+} =>
5 H2S + 8 IO3{-} = 4 I2 + 5 SO4{2-} + 4 H2O + 2 H{+}
HNO2 + CO(NH2)2 = CO2 + H2O + N2 =>
2 HNO2 + CO(NH2)2 = CO2 + 3 H2O + 2 N2
O2 + NO2 + H2S = NH3 + SO2 =>
O2 + 2 NO2 + 3 H2S = 2 NH3 + 3 SO2
C6H7KO2 + H2O = C6H8 + KOH + O2 =>
C6H7KO2 + H2O = C6H8 + KOH + O2
HCl(aq) + HNO3(aq) = Cl2(g) + NOCl(aq) + H2O(l) =>
3 HCl(aq) + HNO3(aq) = Cl2(g) + NOCl(aq) + 2 H2O(l)
(CH2)2CO + H2SO5 = (CH2)6C3O6 + H2SO4 =>
3(CH2)2CO + 3 H2SO5 = (CH2)6C3O6 + 3 H2SO4
Al + Fe2 = AlFe =>
2 Al + Fe2 = 2 AlFe
H2PO4{-} + NaOH = NaHPO4{-} + H2O =>
H2PO4{-} + NaOH = NaHPO4{-} + H2O
COOH + KOH = KCOOH + OH =>
COOH + KOH = KCOOH + OH
Ca + H2O(g) = Ca(OH)2 + H2 =>
Ca + 2 H2O(g) = Ca(OH)2 + H2
Sn + CuCl2 = SnCl4 + Cu =>
Sn + 2 CuCl2 = SnCl4 + 2 Cu
(NH4)2SO4(aq) + KOH(aq) = K2SO4 + NH3 + H2O =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4 + 2 NH3 + 2 H2O
NaC2H3O2 + Fe(NO3)3 = NaNO3 + Fe(C2H3O2)3 =>
3 NaC2H3O2 + Fe(NO3)3 = 3 NaNO3 + Fe(C2H3O2)3
CuSO4 + Na2CO3 + H2O = (CuOH)2CO3 + Na2SO4 + CO2 =>
2 CuSO4 + 2 Na2CO3 + H2O = (CuOH)2CO3 + 2 Na2SO4 + CO2
BaCl2 + NaClO = Ba(ClO3)2 + NaCl =>
BaCl2 + 6 NaClO = Ba(ClO3)2 + 6 NaCl
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Na2SO4 + KCl = Na2Cl + KSO4 =>
Na2SO4 + KCl = Na2Cl + KSO4
HSO3{-} + H2O = SO4{-2} + {-} + H{+} =>
HSO3{-} + H2O = SO4{-2} + 2e + 3 H{+}
H{+} + S2O3{2-} + O2 = S4O6{2-} + H2O =>
4 H{+} + 4 S2O3{2-} + O2 = 2 S4O6{2-} + 2 H2O
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
FeCl2 + K43[Fe(CN)6] = KCl + K2Fe(CN)6 + Fe =>
41 FeCl2 + 2 K43[Fe(CN)6] = 82 KCl + 2 K2Fe(CN)6 + 41 Fe
CaOHNO3 + HNO3 = H2O + Ca(NO3)2 =>
CaOHNO3 + HNO3 = H2O + Ca(NO3)2
MnH = HMn =>
MnH = HMn
Cr2O7{2-} + I{-} + H{+} = Cr{3+} + I2 + H2O =>
Cr2O7{2-} + 6 I{-} + 14 H{+} = 2 Cr{3+} + 3 I2 + 7 H2O
Al3SO4 + Ca(OH) = Al3OH + CaSO4 =>
Al3SO4 + Ca(OH) = Al3OH + CaSO4
C6H5OH + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C6H4O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Na2S + I2 = IS + Na =>
2 Na2S + I2 = 2 IS + 4 Na
Al3Cl2 = Al + Cl =>
Al3Cl2 = 3 Al + 2 Cl
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