| Équations équilibrées la veille |
3 H2SO4 + KBrO3 + 6 KI = 3 K2SO4 + KBr + 3 I2 + 3 H2O
AsH3 = As + H2 =>
2 AsH3 = 2 As + 3 H2
Na2WO4 + SnCl2 + HCl = W5O14 + SnCl4 + NaCl + H2O =>
5 Na2WO4 + SnCl2 + 12 HCl = W5O14 + SnCl4 + 10 NaCl + 6 H2O
SH{2} + O{2} = SO{2} + H{2}O =>
SH{2} + O{2} = SO{2} + H{2}O
H2SO4 + BaCl2 = HCl + BaSO4 =>
H2SO4 + BaCl2 = 2 HCl + BaSO4
H2SiF6 + H2O = H2SiO3 + HF =>
H2SiF6 + 3 H2O = H2SiO3 + 6 HF
BCl3 = B + Cl =>
BCl3 = B + 3 Cl
MnO2 = Mn10O13 + O2 =>
20 MnO2 = 2 Mn10O13 + 7 O2
CoSO4 + (NH4)3 + PO4 = CoPO4 + (NH4)2SO4 =>
3 CoSO4 + 2(NH4)3 + 3 PO4 = 3 CoPO4 + 3(NH4)2SO4
Pb(OH)4 + H2S = PbS2 + H2O =>
Pb(OH)4 + 2 H2S = PbS2 + 4 H2O
C4H10 + O2 = CO2 + H2O242 =>
C4H10 + 609 O2 = 4 CO2 + 5 H2O242
Cu(NH3)4Cl2 + KCN + H2O = NH3 + NH4Cl + KCNO + KCl + K2Cu(CN)3 =>
2 Cu(NH3)4Cl2 + 7 KCN + H2O = 6 NH3 + 2 NH4Cl + KCNO + 2 KCl + 2 K2Cu(CN)3
CuSO4 + NaI = Na2SO4 + CuI2 =>
CuSO4 + 2 NaI = Na2SO4 + CuI2
SrBr2 + LiF = SrF2 + LiBr =>
SrBr2 + 2 LiF = SrF2 + 2 LiBr
K + O2 + H = KOH4 =>
2 K + O2 + 8 H = 2 KOH4
C9H18O2 + NaHCO3 = C9H18OONa + CO2 + H2O =>
51 C9H18O2 + 50 NaHCO3 = 50 C9H18OONa + 59 CO2 + 34 H2O
H2SO4 + FeSO4 = Fe(SO4)2 + H2 =>
H2SO4 + FeSO4 = Fe(SO4)2 + H2
NaN3 + NaN(CN)2 + HCl = NaC2H2N9 + NaCl =>
2 NaN3 + NaN(CN)2 + 2 HCl = NaC2H2N9 + 2 NaCl
C3H6 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
10 C3H6 + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 18 H2O + 12 MnSO4 + 6 K2SO4
NaHCO3 + C2H4O2 = CO2 + H2O + NaC2H3O =>
4 NaHCO3 + 5 C2H4O2 = 6 CO2 + 6 H2O + 4 NaC2H3O
H2O2(aq) = O2(g) + H2O(l) =>
2 H2O2(aq) = O2(g) + 2 H2O(l)
Cr(CO3)2 = Cr + CO3 =>
Cr(CO3)2 = Cr + 2 CO3
Ag + Cu{2+} = Ag{2+} + Cu =>
Ag + Cu{2+} = Ag{2+} + Cu
Cr2O7 + ClO = Cr + ClO3 =>
2 Cr2O7 + 7 ClO = 4 Cr + 7 ClO3
Ba2(NO3)2 + K3PO4 = Ba3(PO4)2 + K2NO3 =>
3 Ba2(NO3)2 + 4 K3PO4 = 2 Ba3(PO4)2 + 6 K2NO3
CH2O + NaOH = CHOOH + Na + H2O =>
CH2O + 2 NaOH = CHOOH + 2 Na + H2O
H2SO4 + H2O = HSO4{-} + H3O{+} =>
H2SO4 + H2O = HSO4{-} + H3O{+}
HgCl2 + Cu{2+} = Hg{2+} + CuCl2 =>
HgCl2 + Cu{2+} = Hg{2+} + CuCl2
BaCl2 + Hg2(NO3)2 = Ba(NO3)2 + Hg2Cl2 =>
BaCl2 + Hg2(NO3)2 = Ba(NO3)2 + Hg2Cl2
SO2 + Br2 = Br2SO2 =>
SO2 + Br2 = Br2SO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Pb(NO2)2 + H2O = PbO + HNO2 =>
Pb(NO2)2 + H2O = PbO + 2 HNO2
Na2SO4 + H2 + NCO = Na2SO3 + NH2CO3 =>
2 Na2SO4 + H2 + NCO = 2 Na2SO3 + NH2CO3
Li + FeCl = LiFeCl =>
Li + FeCl = LiFeCl
LiAlH4 + H2O = LiOOH + Al(OH)3 + H2 =>
LiAlH4 + 5 H2O = LiOOH + Al(OH)3 + 5 H2
HCl + Ti(HO)4 = TiCl4 + HOH =>
4 HCl + Ti(HO)4 = TiCl4 + 4 HOH
C6H5C2H4 + Cl2 = C6H5C2H3Cl + HCl =>
C6H5C2H4 + Cl2 = C6H5C2H3Cl + HCl
Sn{2+} + NO3{-} + H{+} = Sn{4+} + N2 + H2O =>
5 Sn{2+} + 2 NO3{-} + 12 H{+} = 5 Sn{4+} + N2 + 6 H2O
CuF2 + Mg = F2Mg + Cu2 =>
2 CuF2 + 2 Mg = 2 F2Mg + Cu2
BF3(g) + H2O(ell) = HF(aq) + H3BO3(aq) =>
BF3(g) + 3 H2O(ell) = 3 HF(aq) + H3BO3(aq)
ClO3{-} + Br{-} + H{+} = Br2 + Cl{-} + H2O =>
ClO3{-} + 6 Br{-} + 6 H{+} = 3 Br2 + Cl{-} + 3 H2O
CdCl + H2S = HCl + Cd2S =>
2 CdCl + H2S = 2 HCl + Cd2S
BH3 + CH3OCH3 = C2H5O + BH4 =>
BH3 + CH3OCH3 = C2H5O + BH4
Pb(NO3)2 + H2 = Pb + HNO3 =>
Pb(NO3)2 + H2 = Pb + 2 HNO3
Ra + H2O = RaOH2 = H2 =>
Ra + H2O = RaOH2
NaH2(CO3) + H2(SO4) = Na(SO4) + H2O + C + O2 =>
2 NaH2(CO3) + 2 H2(SO4) = 2 Na(SO4) + 4 H2O + 2 C + O2
Na{+} + O2{-2} = Na2O2 =>
2 Na{+} + O2{-2} = Na2O2
H2SO4 = H2O + O2 + S8 =>
8 H2SO4 = 8 H2O + 12 O2 + S8
CH3CH2CH2CH2OH + KMnO4 + H2SO4 = K2SO4 + Mn(OH)2 + C3H6O + H2O =>
15 CH3CH2CH2CH2OH + 8 KMnO4 + 4 H2SO4 = 4 K2SO4 + 8 Mn(OH)2 + 20 C3H6O + 11 H2O
K(CO3)2 + CuCl2 + Pb(NO3)2 = KCl2 + Cu(NO3)2 + Pb(CO3)2 =>
K(CO3)2 + CuCl2 + Pb(NO3)2 = KCl2 + Cu(NO3)2 + Pb(CO3)2
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