| Équations équilibrées la veille |
2 AlCl3 + 3 CaSO4 = Al2(SO4)3 + 3 CaCl2
C3H7NO2 + O2 = C02 + H2O + N2 =>
4 C3H7NO2 + 3 O2 = 6 C02 + 14 H2O + 2 N2
C6H5OH + CH2O = C6H4(OH)2 + CH4 =>
7 C6H5OH + 9 CH2O = 8 C6H4(OH)2 + 3 CH4
NaHCO3(aq) + CH3COOH(aq) = CO2(g) + H2O(l) + CH3COONa(aq) =>
NaHCO3(aq) + CH3COOH(aq) = CO2(g) + H2O(l) + CH3COONa(aq)
PbCl2 + HCl = PbCl4 + H2 =>
PbCl2 + 2 HCl = PbCl4 + H2
CuSO4 + CaCO3 + H2O = Cu2(OH)2CO3 + CaSO4 + CO2 =>
2 CuSO4 + 2 CaCO3 + H2O = Cu2(OH)2CO3 + 2 CaSO4 + CO2
BF3(g) + H2O(l) = B2O3(s) + HF(g) =>
2 BF3(g) + 3 H2O(l) = B2O3(s) + 6 HF(g)
Cl2(g) + NaBr2(aq) = Br2(l) + NaCl(aq) =>
Cl2(g) + 2 NaBr2(aq) = 2 Br2(l) + 2 NaCl(aq)
NH4{+} + NaOH = NH3{+} + HNaOH =>
NH4{+} + NaOH = NH3{+} + HNaOH
PbCl2 + HCl = H2PbCl4 =>
PbCl2 + 2 HCl = H2PbCl4
C2H2NSO2 + O2 = CO2 + H2O + NS =>
2 C2H2NSO2 + 3 O2 = 4 CO2 + 2 H2O + 2 NS
MnO4{-} + ClO{-} + H{+} = Mn{2+} + ClO2{-} + H2O =>
2 MnO4{-} + 5 ClO{-} + 6 H{+} = 2 Mn{2+} + 5 ClO2{-} + 3 H2O
N2 + H2(g) = NH3 =>
N2 + 3 H2(g) = 2 NH3
K4(Fe(SCN)6) + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO =>
6 K4(Fe(SCN)6) + 73 K2Cr2O7 + 259 H2SO4 = 3 Fe2(SO4)3 + 73 Cr2(SO4)3 + 36 CO2 + 259 H2O + 67 K2SO4 + 36 KNO
CaHAsO3 + Ba(OH)2 = Ca(OH)2 + Ba3(AsO3)2 + H2O =>
2 CaHAsO3 + 3 Ba(OH)2 = 2 Ca(OH)2 + Ba3(AsO3)2 + 2 H2O
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
KClO3(aq) = KCl(s) + O2(g) =>
2 KClO3(aq) = 2 KCl(s) + 3 O2(g)
C4H8O2 + NaOH = C2H3O2Na + C2H6O =>
C4H8O2 + NaOH = C2H3O2Na + C2H6O
CuO(aq) + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(aq) + H2SO4(aq) = CuSO4(aq) + H2O(l)
NaCo3 + Na2S = Na2Co3 + NaS =>
NaCo3 + Na2S = Na2Co3 + NaS
NaHCO3(aq) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l) + CO2(g)
PbCl2 + HCl = HPbCl3 =>
PbCl2 + HCl = HPbCl3
NH4 + MgO = NH3 + H2O + Mg =>
2 NH4 + MgO = 2 NH3 + H2O + Mg
Pb(s) + Br2(l) = PbBr4(s) =>
Pb(s) + 2 Br2(l) = PbBr4(s)
CuSO4 + CaCO3 + H2O = Cu(OH)2 + CaSO4*2H2O + CO2 =>
CuSO4 + CaCO3 + 3 H2O = Cu(OH)2 + CaSO4*2H2O + CO2
HNO3 + Si(OH)4 = H2O + Si(NO3)4 =>
4 HNO3 + Si(OH)4 = 4 H2O + Si(NO3)4
BF3(g) + H2O(l) = H3BO3(aq) + HBF4(aq) =>
4 BF3(g) + 3 H2O(l) = H3BO3(aq) + 3 HBF4(aq)
PbCl2 + HCl = H[PbCl3] =>
PbCl2 + HCl = H[PbCl3]
CuO(aq) + H2SO4(aq) = CuSO4(aq) + H2O =>
CuO(aq) + H2SO4(aq) = CuSO4(aq) + H2O
PbCl2 + HCl = H2[PbCl4] =>
PbCl2 + 2 HCl = H2[PbCl4]
Ca + CuF2 = CaF2 + Cu =>
Ca + CuF2 = CaF2 + Cu
FeCl2 + HCl = FeCl3 + H =>
FeCl2 + HCl = FeCl3 + H
HClO3(aq) + HCl(aq) = H2O(l) + Cl2(g) =>
HClO3(aq) + 5 HCl(aq) = 3 H2O(l) + 3 Cl2(g)
PB(NO3)2(aq) + HCl(aq) = PBCl2(s) + HNO3(aq) =>
PB(NO3)2(aq) + 2 HCl(aq) = PBCl2(s) + 2 HNO3(aq)
AgOH + HCOOH = Ag + H2O + CO2 =>
2 AgOH + HCOOH = 2 Ag + 2 H2O + CO2
CoCl2*6H2O + C2H8N2 + H2O2 + HCl = [Co(C2H8N2)2Cl2]Cl + H2O =>
2 CoCl2*6H2O + 4 C2H8N2 + H2O2 + 2 HCl = 2[Co(C2H8N2)2Cl2]Cl + 14 H2O
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
Mn2{+} + S2O8{-}2 + H2O = MnO{-}4 + SO4{-}2 + H{+} =>
Mn2{+} + S2O8{-}2 + 2 H2O = 2 MnO{-}4 + 2 SO4{-}2 + 4 H{+}
BF3 + HF = H[BF4] =>
BF3 + HF = H[BF4]
Ca(OH)2 + NH4 = NH4OH + Ca =>
Ca(OH)2 + 2 NH4 = 2 NH4OH + Ca
Na2SO3 + K2CrO4 + H2O = K[Cr(OH)4] + Na2SO4 + KOH =>
3 Na2SO3 + 2 K2CrO4 + 5 H2O = 2 K[Cr(OH)4] + 3 Na2SO4 + 2 KOH
PbCl2 + HCl = PbCl4 + H =>
PbCl2 + 2 HCl = PbCl4 + 2 H
Cu(NO3)2 + KI = CuI2 + K(NO3) =>
Cu(NO3)2 + 2 KI = CuI2 + 2 K(NO3)
PbCl2 + HCl = H2PbCl4 =>
PbCl2 + 2 HCl = H2PbCl4
MgS = Mg + S2 =>
2 MgS = 2 Mg + S2
Pb(No3) + NaCo3 = NaNo3 + PbCo3 =>
Pb(No3) + NaCo3 = NaNo3 + PbCo3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
PbCrO4 + H2O = PbO + H2CrO4 =>
PbCrO4 + H2O = PbO + H2CrO4
PbCl2 + HCl = PbCl4 + H =>
PbCl2 + 2 HCl = PbCl4 + 2 H
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