| Équations équilibrées la veille |
SrH2 + 2 H2O = Sr(OH)2 + 4 H
Cd(CN)2 + H2S = CdS + HCN =>
Cd(CN)2 + H2S = CdS + 2 HCN
CuS + O = CuO + SO =>
CuS + 2 O = CuO + SO
Al(s) + O3(g) + H2O(l) = Al(OH)3 =>
2 Al(s) + O3(g) + 3 H2O(l) = 2 Al(OH)3
CrI3 + OH{-} + Cl2 = CrO4{-}2 + IO4{-} + Cl{-} + H2O =>
CrI3 + 32 OH{-} + 14 Cl2 = CrO4{-}2 + 3 IO4{-} + 28 Cl{-} + 16 H2O
C3H7COOHNaOH = NaC3H7COOH2O =>
C3H7COOHNaOH = NaC3H7COOH2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
H + N3F = N + HF =>
H + N3F = 3 N + HF
Kl + H2SO4 = KlSO4 + H2 =>
Kl + H2SO4 = KlSO4 + H2
H2SO4 + H2O = H3O{+} + SO4{-2} =>
H2SO4 + 2 H2O = 2 H3O{+} + SO4{-2}
NaOH + (H3PO4) = (Na3PO4) + (H2O) =>
3 NaOH + (H3PO4) = (Na3PO4) + 3(H2O)
CaMg(CO3)2 + CH3COOH = CO2 + H2O + CaMg(CH3COO)4 =>
CaMg(CO3)2 + 4 CH3COOH = 2 CO2 + 2 H2O + CaMg(CH3COO)4
H2SO4 + Mg3N2 = (NH4)2SO4 + MgSO4 =>
4 H2SO4 + Mg3N2 = (NH4)2SO4 + 3 MgSO4
IU = UI =>
IU = UI
NH4HF2 + Y2O3 = (NH4)3Y2F9 + H2O + NH4F =>
6 NH4HF2 + Y2O3 = (NH4)3Y2F9 + 3 H2O + 3 NH4F
HNO3 + I2 = NO2 + HIO2 + H2O =>
6 HNO3 + I2 = 6 NO2 + 2 HIO2 + 2 H2O
Li3N + O2 = NO + Li =>
2 Li3N + O2 = 2 NO + 6 Li
LiCl + CuNO2 = LiNO2 + CuCl =>
LiCl + CuNO2 = LiNO2 + CuCl
Fe + H3PO4 + C6H8O7 = FeHPO4 + H2O + C4H6 =>
15 Fe + 15 H3PO4 + 2 C6H8O7 = 15 FeHPO4 + 14 H2O + 3 C4H6
NaOCl + N2H4 = NaCl + N2 + H2O =>
2 NaOCl + N2H4 = 2 NaCl + N2 + 2 H2O
NaClONH3 = NaClNHH2O =>
NaClONH3 = NaClNHH2O
Pb + NaCl + H2O = PbCl + NaOH + H2 =>
2 Pb + 2 NaCl + 2 H2O = 2 PbCl + 2 NaOH + H2
Co + I2 = CoI2 =>
Co + I2 = CoI2
MgSO4 + CaNO2 = CaSO4 + MgNO2 =>
MgSO4 + CaNO2 = CaSO4 + MgNO2
NH4Br + Sr(OH)2 = SrBr2 + NH3 + H2O =>
2 NH4Br + Sr(OH)2 = SrBr2 + 2 NH3 + 2 H2O
Ba + HF = BaF2 + H2 =>
Ba + 2 HF = BaF2 + H2
Se + O2 = SeO3 =>
2 Se + 3 O2 = 2 SeO3
KOH(aq) + HNO3 = KNO3(s) + H2O(l) =>
KOH(aq) + HNO3 = KNO3(s) + H2O(l)
KOH(aq) + H2CO3(aq) = H2O(l) + K2CO3(aq) =>
2 KOH(aq) + H2CO3(aq) = 2 H2O(l) + K2CO3(aq)
Pd(NO3)2 + NOCl = PdCl2 + NO2 =>
Pd(NO3)2 + 2 NOCl = PdCl2 + 4 NO2
CH3CCH + KMnO4 + H2O = CH3COHCHOH + MnO2 + KOH =>
3 CH3CCH + 2 KMnO4 + 4 H2O = 3 CH3COHCHOH + 2 MnO2 + 2 KOH
NaCH3COO + H2O = H3O + NaCH2COO =>
NaCH3COO + H2O = H3O + NaCH2COO
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
(NH4)HS + KOH = K2S + NH3 + H2O =>
(NH4)HS + 2 KOH = K2S + NH3 + 2 H2O
Cu + I2 = CuI =>
2 Cu + I2 = 2 CuI
Na(OH) + Li(NO3) = Li(OH) + Na(NO3) =>
Na(OH) + Li(NO3) = Li(OH) + Na(NO3)
COCl2 + NaOH = Na2CO3 + NaCl + H2O =>
COCl2 + 4 NaOH = Na2CO3 + 2 NaCl + 2 H2O
Al(OH)3 + HI = Al(I)3 + H2O =>
Al(OH)3 + 3 HI = Al(I)3 + 3 H2O
Ca2(CO3)2 + HBr = CaBr2 + CO2 + H2O =>
Ca2(CO3)2 + 4 HBr = 2 CaBr2 + 2 CO2 + 2 H2O
Ca2C2 + H2O = Ca(OH)2 + H2C =>
Ca2C2 + 4 H2O = 2 Ca(OH)2 + 2 H2C
WO3 + Sb(OH)3 = Sb2(WO4)3 + H2O =>
3 WO3 + 2 Sb(OH)3 = Sb2(WO4)3 + 3 H2O
Hg + Cl2 = HgCl = O2 =>
2 Hg + Cl2 = 2 HgCl
C7H16 + Br2 = CHBr + HBr =>
C7H16 + 8 Br2 = 7 CHBr + 9 HBr
CaSO4*H2O + Ca(OH)2 + Al(OH)3 + H2O = Ca6Al2(SO4)3(OH)12*26H2O =>
3 CaSO4*H2O + 3 Ca(OH)2 + 2 Al(OH)3 + 23 H2O = Ca6Al2(SO4)3(OH)12*26H2O
HNO3 + FeO = Fe(NO3)3 + NO + H2O =>
10 HNO3 + 3 FeO = 3 Fe(NO3)3 + NO + 5 H2O
NO2 = N2O4 =>
2 NO2 = N2O4
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
KMnO4 + NH4SCN + H2SO4 = MnSO4 + N2 + CO2 + K2SO4 + H2O =>
14 KMnO4 + 5 NH4SCN + 16 H2SO4 = 14 MnSO4 + 5 N2 + 5 CO2 + 7 K2SO4 + 26 H2O
H2CO(g) = H2(g) + CO(g) =>
H2CO(g) = H2(g) + CO(g)
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
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