| Équations équilibrées la veille |
Sr(NO3)2Na2CO3 = SrCO3Na2(NO3)2
(CH2)2(CH)4 + O2 = CO2 + H2O =>
(CH2)2(CH)4 + 8 O2 = 6 CO2 + 4 H2O
H3PO4 + Sn = H2 + SnPO4 =>
2 H3PO4 + 2 Sn = 3 H2 + 2 SnPO4
Pb(NO3)2 + NH4Cl = PbCl2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4NO3
AgSO + KCO = AgCO + KSO =>
AgSO + KCO = AgCO + KSO
HCO3{-} + H2O = CO3{2-} + H3O{+} =>
HCO3{-} + H2O = CO3{2-} + H3O{+}
C4H2Na2O4 + O2 = CO2 + NaOH =>
C4H2Na2O4 + 3 O2 = 4 CO2 + 2 NaOH
V + N = VN =>
V + N = VN
Pb(s) + CO2(g) + CH3COOH(l) = PbCO3*Pb(OH)2(s) + C2H2(g) =>
12 Pb(s) + 8 CO2(g) + 7 CH3COOH(l) = 6 PbCO3*Pb(OH)2(s) + 8 C2H2(g)
C9H8O4 + OH = C9H7O4 + H2O =>
C9H8O4 + OH = C9H7O4 + H2O
I + F2 = IF =>
2 I + F2 = 2 IF
BaCl2 + KSO4 = BaSO4 + K + Cl =>
BaCl2 + KSO4 = BaSO4 + K + 2 Cl
FeBr3 + NaCl = FeCl3 + NaBr =>
FeBr3 + 3 NaCl = FeCl3 + 3 NaBr
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + NO2 + H2SO4 + H2O =>
CuFeS2 + 22 HNO3 = Cu(NO3)2 + Fe(NO3)3 + 17 NO2 + 2 H2SO4 + 9 H2O
CuOFeCl3 = CuCl3FeO =>
CuOFeCl3 = CuCl3FeO
C + H + O = C12H22O11 =>
12 C + 22 H + 11 O = C12H22O11
Mg(OH)2 + KOH = MgOH + K(OH)2 =>
Mg(OH)2 + KOH = MgOH + K(OH)2
K2SiO3 = SiO2 + K2O =>
K2SiO3 = SiO2 + K2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
AgNO3 + No = No(NO3)2 + Ag =>
2 AgNO3 + No = No(NO3)2 + 2 Ag
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
As(HCO3)3 = As2O3 + CO2 + H2O =>
2 As(HCO3)3 = As2O3 + 6 CO2 + 3 H2O
CH4 + Li3N = LiH + C3N4 =>
3 CH4 + 4 Li3N = 12 LiH + C3N4
AgNO3 + Ca(NO3)2 = AgCa + NO3 =>
AgNO3 + Ca(NO3)2 = AgCa + 3 NO3
FeCl3 + HCl = FeCl2 + HCl2 =>
FeCl3 + HCl = FeCl2 + HCl2
AsO4 + AgNO3 = Ag3AsO4 + NO3 =>
AsO4 + 3 AgNO3 = Ag3AsO4 + 3 NO3
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C7H12 + HCl = C7H13Cl =>
C7H12 + HCl = C7H13Cl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Mg(CH3COO)2 + KOH = Mg(OH)2 + KCH3COO =>
Mg(CH3COO)2 + 2 KOH = Mg(OH)2 + 2 KCH3COO
KH + S = K2S + H2S =>
2 KH + 2 S = K2S + H2S
Al + C = AlC =>
Al + C = AlC
Br2 + KI(aq) = KBr + I2 =>
Br2 + 2 KI(aq) = 2 KBr + I2
Na2CO3 + KOH = Na(OH) + K2CO3 =>
Na2CO3 + 2 KOH = 2 Na(OH) + K2CO3
CaCl2 + Na2(CO3) = Ca(CO3) + NaCl =>
CaCl2 + Na2(CO3) = Ca(CO3) + 2 NaCl
Cu(NH3)4{2+} + CH3COOH = Cu{2+} + CH3COO{-} + NH4{+} =>
Cu(NH3)4{2+} + 4 CH3COOH = Cu{2+} + 4 CH3COO{-} + 4 NH4{+}
C19H10O5SBr4 + H2O = C19H12O6SBr4 =>
C19H10O5SBr4 + H2O = C19H12O6SBr4
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Os + O = OsO4 =>
Os + 4 O = OsO4
Ag + CrO4 = Ag2CrO4 =>
2 Ag + CrO4 = Ag2CrO4
CaCl2(aq) + Na2(CO3)(aq) = Ca(CO3)(s) + NaCl(aq) =>
CaCl2(aq) + Na2(CO3)(aq) = Ca(CO3)(s) + 2 NaCl(aq)
Al(OH)4(aq) + H2SO4(aq) = Al(OH)3 + H2O + SO4 =>
2 Al(OH)4(aq) + H2SO4(aq) = 2 Al(OH)3 + 2 H2O + SO4
C3H8O + Br2 = C3H8OBr2 =>
C3H8O + Br2 = C3H8OBr2
NO3 + H2O = HNO3 + OH =>
NO3 + H2O = HNO3 + OH
Ni + N2 = NiN =>
2 Ni + N2 = 2 NiN
CH4 + Li3N = LiH + C3N4 =>
3 CH4 + 4 Li3N = 12 LiH + C3N4
CH3CH2CH2CO2H = C3H7COOH =>
CH3CH2CH2CO2H = C3H7COOH
BaO2 + H2O = Ba(OH)2 + H2O2 =>
BaO2 + 2 H2O = Ba(OH)2 + H2O2
Sn(OH)4 + NaOH = Na2SnO3 + H2O =>
Sn(OH)4 + 2 NaOH = Na2SnO3 + 3 H2O
FeCO3 + H2O = Fe3O4 + H2CO3 + H{+} + e =>
3 FeCO3 + 4 H2O = Fe3O4 + 3 H2CO3 + 2 H{+} + 2e
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Équations équilibrées sur11/22/24
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